0002104052-26-000081 | 10-Q | XBRL Viewer

Schedule of long-term debt instruments

Long-term debt consists of the following:


(In thousands)	March 31 2026		December 31 2025

Senior Secured Credit Facilities:
Term Loan	$	476,250	$	477,500


Revolving Credit Facility	557,000		526,000
5.75% Senior Notes	475,000		475,000
Other financing payable (including finance leases) in varying amounts	84,175		88,501
Total debt obligations	1,592,425		1,567,001
Less: deferred financing costs	(9,839)		(10,818)
Total debt obligations, net of deferred financing costs	1,582,586		1,556,183
Less: current maturities of long-term debt	(25,835)		(25,874)
Long-term debt	$	1,556,751	$	1,530,309

Schedule of facility fees and debt-related income (expense)

The components of the Condensed Consolidated Statements of Operations caption Facility fees and debt-related income (expense) were as follows:


	Three Months Ended
	March 31
(In thousands)		2026		2025

Unused debt commitment and amendment fees		$	(75)	$	(188)
Securitization and factoring fees		(2,219)		(2,424)
Facility fees and debt-related income (expense)		$	(2,294)	$	(2,612)

Schedule of long-term debt instruments

Long-term debt consists of the following:


(In thousands)	March 31 2026		December 31 2025
Senior Secured Credit Facilities:
Term Loan	$	476,250	$	477,500
Revolving Credit Facility	557,000		526,000
5.75% Senior Notes	475,000		475,000
Other financing payable (including finance leases) in varying amounts	24,607		26,763
Total debt obligations	1,532,857		1,505,263
Less: deferred financing costs	(9,839)		(10,818)
Total debt obligations, net of deferred financing costs	1,523,018		1,494,445
Less: current maturities of long-term debt	(14,011)		(14,373)
Long-term debt	$	1,509,007	$	1,480,072

Schedule of facility fees and debt-related income (expense)

The components of the Condensed Combined Statements of Operations caption Facility fees and debt-related income (expense) were as follows:


	Three Months Ended
	March 31
(In thousands)	2026		2025
Unused debt commitment and amendment fees	$	(75)	$	(188)
Securitization and factoring fees	(2,219)		(2,424)
Facility fees and debt-related income (expense)	$	(2,294)	$	(2,612)

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

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Components of Accumulated Other Comprehensive Loss - Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	$ 27,833	$ 26,574
Income (loss) from continuing operations before income taxes and equity in income	(32,797)	(4,672)
Income tax expense (benefit)	(24,387)	2,001
Net income (loss)	(9,538)	(7,812)
Amount Reclassified from Accumulated Other Comprehensive Loss \| Effective Portion of Derivatives Designated as Hedging Instruments
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) from continuing operations before income taxes and equity in income	(871)	75
Income tax expense (benefit)	215	(48)
Net income (loss)	(656)	27
Amount Reclassified from Accumulated Other Comprehensive Loss \| Effective Portion of Derivatives Designated as Hedging Instruments \| Foreign currency exchange forward contracts
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Product revenues	(422)	192
Amount Reclassified from Accumulated Other Comprehensive Loss \| Effective Portion of Derivatives Designated as Hedging Instruments \| Interest rate swaps
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	(449)	(117)
Amount Reclassified from Accumulated Other Comprehensive Loss \| Defined benefit pension items
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) from continuing operations before income taxes and equity in income	4,613	4,596
Income tax expense (benefit)	(196)	(204)
Net income (loss)	4,417	4,392
Amount Reclassified from Accumulated Other Comprehensive Loss \| Actuarial losses
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Defined benefit pension income (expense)	4,505	4,483
Amount Reclassified from Accumulated Other Comprehensive Loss \| Prior service costs
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Defined benefit pension income (expense)	$ 108	$ 113

Review of Operations by Segment - New Enviri

3 Months Ended

Mar. 31, 2026

Review of Operations by Segment

Review of Operations by Segment*

The tables below include information about the Company's revenues and operating income (loss) by reportable segment, along with significant segment expenses and other segment information, followed by a reconciliation of operating income (loss) by reporting segment to the Company's consolidated Income (loss) from continuing operations before income taxes and equity in income, for the periods presented:



	Three Months Ended March 31, 2026
(in thousands)	Harsco Environmental	Clean Earth	Harsco Rail	Total Reportable Segments		Corporate	Total
Segment Profit and Loss:
Total revenues	256,717	225,755	67,331	$	549,803	—	$	549,803
Less:
Cost of services and products sold	218,007	168,860	57,972	444,839		—	444,839
Selling, general and administrative expenses	27,943	41,013	11,758	80,714		10,742	91,456




Other segment activities (a)	738	104	798	1,640		11,075	12,715

Operating income (loss) from continuing operations	10,029	15,778	(3,197)	$	22,610	(21,817)	$	793
Plus:
Interest income							473
Interest expense							(27,833)
Facility fees and debt-related income (expense)							(2,294)
Defined benefit pension income (expense)							(3,936)
Income (loss) from continuing operations before income taxes and equity in income							$	(32,797)

Other Segment Information:
Depreciation	27,896	11,103	1,196	$	40,195	233	$	40,428
Amortization (b)	572	5,938	285	$	6,795	1,049	$	7,844
Capital expenditures	17,407	14,423	1,768	$	33,598	129	$	33,727



	Three Months Ended March 31, 2025
(in thousands)	Harsco Environmental	Clean Earth	Harsco Rail	Total Reportable Segments		Corporate	Total
Segment Profit and Loss:
Total revenues	243,106	234,854	69,947	$	547,907	—	$	547,907
Less:
Cost of services and products sold	202,017	173,619	49,417	425,053		—	425,053
Selling, general and administrative expenses	26,628	38,962	11,582	77,172		11,936	89,108




Other segment activities (a)	4,388	(15)	1,810	6,183		(1,698)	4,485

Operating income (loss) from continuing operations	10,073	22,288	7,138	$	39,499	(10,238)	$	29,261
Plus:
Interest income							454
Interest expense							(26,574)
Facility fees and debt-related income (expense)							(2,612)
Defined benefit pension income (expense)							(5,201)
Income (loss) from continuing operations before income taxes and equity in income							$	(4,672)

Other Segment Information:
Depreciation	25,509	9,620	1,032	$	36,161	281	$	36,442
Amortization (b)	540	5,845	67	$	6,452	951	$	7,403
Capital expenditures	14,094	6,652	780	$	21,526	98	$	21,624

(a) Other segment activities include amounts reflected in the captions Research and development costs, Other income (expenses), net, and certain activities reported in Cost of services and products sold on the Company's Condensed Consolidated Statements of Operations.

(b) Amortization expense in Corporate relates to the amortization of deferred financing costs.

* Previously issued 2025 amounts have been revised due to the correction of immaterial errors, as identified in Note 1, Basis of Presentation under "Revision of Previously Issued Financial Statements".

Review of Operations by Segment

The tables below include information about New Enviri's revenues and operating income (loss) by reportable segment, along with significant segment expenses and other segment information, followed by a reconciliation of operating income (loss) by reporting segment to New Enviri's combined Income (loss) from continuing operations before income taxes and equity in income, for the periods presented:


	Three Months Ended March 31, 2026
(in thousands)	Harsco Environmental		Harsco Rail		Total Reportable Segments		Corporate		Total
Segment Profit and Loss:
Total revenues	$	256,717	$	67,331	$	324,048	$	—	$	324,048
Less:
Cost of services and products sold	218,007		57,972		275,979		—		275,979
Selling, general and administrative expenses (c)	31,968		13,019		44,987		(396)		44,591
Other segment activities (a)	738		798		1,536		11,075		12,611
Operating income (loss) from continuing operations	6,004		(4,458)		1,546		(10,679)		$	(9,133)
Plus:
Interest income									458
Interest expense									(26,687)
Facility fees and debt-related income (expense)									(2,294)
Defined benefit pension income (expense)									(3,937)
Income (loss) from continuing operations before income taxes and equity in income									$	(41,593)

Other Segment Information:
Depreciation	27,896		1,196		29,092		233		$	29,325
Amortization (b)	572		285		857		1,049		$	1,906
Capital expenditures	17,407		1,768		19,175		129		$	19,304


	Three Months Ended March 31, 2025
(in thousands)	Harsco Environmental		Harsco Rail		Total Reportable Segments		Corporate		Total
Segment Profit and Loss:
Total revenues	$	243,106	$	69,947	$	313,053	$	—	$	313,053
Less:
Cost of services and products sold	202,017		49,417		251,434		—		251,434
Selling, general and administrative expenses (c)	30,598		12,736		43,334		(146)		43,188
Other segment activities (a)	4,388		1,810		6,198		(1,698)		4,500
Operating income (loss) from continuing operations	6,103		5,984		12,087		1,844		$	13,931
Plus:
Interest income									454
Interest expense									(25,486)
Facility fees and debt-related income (expense)									(2,612)
Defined benefit pension income (expense)									(5,193)
Income (loss) from continuing operations before income taxes and equity in income									$	(18,906)

Other Segment Information:
Depreciation	25,509		1,032		26,541		281		$	26,822
Amortization (b)	540		67		607		951		$	1,558
Capital expenditures	14,094		780		14,874		98		$	14,972

(a) Other segment activities include amounts reflected in the captions Research and development costs, Other income (expenses), net, and certain activities reported in Cost of services and products sold on New Enviri's Condensed Combined Statements of Operations.

(b) Amortization expense in Corporate relates to the amortization of deferred financing costs.

(c) Selling, general and administrative expenses by segment differ from amounts reflected in the historical Enviri combined financial statements due to the full allocation of corporate costs in the Combined Financial Statements. See Note 17, Relationship with Parent and Related Entities for additional information.

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

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Derivative Instruments, Hedging Activities and Fair Value - Effect of Derivative Instruments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Effect of derivative instruments
Gain (Loss) Recognized in OCI on Derivatives	$ 2,563	$ (3,655)
Loss (Gain) Reclassified from AOCI into Income - Effective Portion or Equity	(871)	75
Foreign currency exchange forward contracts
Effect of derivative instruments
Gain (Loss) Recognized in OCI on Derivatives	491	(871)
Foreign currency exchange forward contracts \| Income (Loss) from Discontinued Businesses
Effect of derivative instruments
Loss (Gain) Reclassified from AOCI into Income - Effective Portion or Equity	(422)	192
Interest rate swaps
Effect of derivative instruments
Gain (Loss) Recognized in OCI on Derivatives	2,072	(2,784)
Interest rate swaps \| Interest Expense
Effect of derivative instruments
Loss (Gain) Reclassified from AOCI into Income - Effective Portion or Equity	$ (449)	$ (117)

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Employee Benefit Plans (Details) - Pension Plan - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
U.S. Plans
Defined benefit plans:
Service costs	$ 0	$ 0
Interest costs	2,031	2,313
Expected return on plan assets	(2,287)	(2,562)
Recognized prior service costs	0	0
Recognized actuarial losses	751	785
Defined benefit pension plans net periodic pension cost (benefit)	495	536
Defined benefit pension plan	400
Anticipated contributions to defined benefit pension plans during the remainder of the fiscal year	1,200
International Plans
Defined benefit plans:
Service costs	260	303
Interest costs	7,372	7,387
Expected return on plan assets	(7,804)	(6,499)
Recognized prior service costs	108	113
Recognized actuarial losses	3,754	3,698
Defined benefit pension plans net periodic pension cost (benefit)	3,690	$ 5,002
Defined benefit pension plan	200
Anticipated contributions to defined benefit pension plans during the remainder of the fiscal year	$ 700

CONDENSED CONSOLIDATED BALANCE SHEETS - New Enviri (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 105,697	$ 103,671
Restricted cash	15,779	21,677
Trade accounts receivable, net	285,516	267,439
Other receivables	40,328	46,930
Inventories	173,276	180,548
Current portion of contract assets	32,217	26,968
Prepaid expenses	52,983	61,996
Other current assets	16,314	11,452
Total current assets	722,110	720,681
Property, plant and equipment, net	690,091	699,664
Right-of-use assets, net	133,073	132,323
Goodwill	753,858	758,680
Intangible assets, net	266,508	273,088
Retirement plan assets	55,740	55,743
Deferred income tax assets	24,142	11,419
Other assets	58,587	57,073
Total assets	2,704,109	2,708,671
Current liabilities:
Short-term borrowings	8,699	11,490
Current maturities of long-term debt	25,835	25,874
Accounts payable	257,326	239,650
Accrued compensation	74,804	67,331
Income taxes payable	5,006	4,083
Reserve for forward losses on contracts	56,743	61,037
Current portion of advances on contracts	8,825	7,982
Current portion of operating lease liabilities	29,924	30,077
Derivative liabilities	14,122	20,839
Other current liabilities	159,408	165,661
Total current liabilities	640,692	634,024
Long-term debt	1,556,751	1,530,309
Retirement plan liabilities	25,912	26,208
Operating lease liabilities	105,538	104,654
Environmental liabilities	38,019	38,256
Deferred tax liabilities	6,495	21,689
Other liabilities	55,791	57,944
Total liabilities	2,429,198	2,413,084
COMMITMENTS AND CONTINGENCIES
PARENT COMPANY NET INVESTMENT
Accumulated other comprehensive loss	(509,773)	(514,481)
Noncontrolling interests	41,732	40,525
Total equity	274,911	295,587
Total liabilities and equity	2,704,109	2,708,671
New Enviri
Current assets:
Cash and cash equivalents	105,617	103,487
Restricted cash	15,779	21,677
Trade accounts receivable, net	228,121	220,063
Other receivables	93,272	88,024
Inventories	164,505	171,718
Current portion of contract assets	32,217	26,968
Prepaid expenses	51,660	54,556
Other current assets	14,118	9,256
Total current assets	705,289	695,749
Property, plant and equipment, net	410,851	424,099
Right-of-use assets, net	30,662	34,267
Goodwill	374,559	379,381
Intangible assets, net	15,268	16,095
Retirement plan assets	55,740	55,743
Deferred income tax assets	10,529	11,382
Other assets	55,487	53,931
Total assets	1,658,385	1,670,647
Current liabilities:
Short-term borrowings	8,699	11,490
Current maturities of long-term debt	14,011	14,373
Accounts payable	176,207	163,474
Accrued compensation	51,259	43,130
Income taxes payable	4,586	4,345
Reserve for forward losses on contracts	56,743	61,037
Current portion of advances on contracts	8,825	7,982
Current portion of operating lease liabilities	10,839	11,654
Derivative liabilities	14,122	20,839
Other current liabilities	112,850	118,127
Total current liabilities	458,141	456,451
Retirement plan liabilities	25,382	25,758
Operating lease liabilities	20,538	23,372
Environmental liabilities	19,105	19,105
Deferred tax liabilities	6,473	6,609
Other liabilities	47,312	45,527
Total liabilities	2,274,946	2,239,008
COMMITMENTS AND CONTINGENCIES
PARENT COMPANY NET INVESTMENT
Net parent investment	(155,640)	(99,506)
Accumulated other comprehensive loss	(502,653)	(509,380)
Noncontrolling interests	41,732	40,525
Total equity	(616,561)	(568,361)
Total liabilities and equity	1,658,385	1,670,647
Nonrelated Party \| New Enviri
Current liabilities:
Current maturities of long-term debt	14,011	14,373
Long-term debt	1,509,007	1,480,072
Affiliated Entity \| New Enviri
Current assets:
Trade accounts receivable, net	0	0
Current liabilities:
Long-term debt	$ 188,988	$ 182,114

CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) (Parenthetical) $ in Thousands	3 Months Ended
	Mar. 31, 2026 USD ($) shares
Total other comprehensive income, deferred income taxes \| $	$ (2,006)
Stock appreciation rights exercised (in shares)	102,264
Vesting of restricted stock units and other stock grants (in shares)	427,651
Vesting of performance share units (in shares)	726,189

Amount of tax expense (benefit) allocated to other comprehensive income (loss).

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Reconciliation of basic and diluted shares

Basis of Presentation - Revision of Statements of Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net income (loss)	$ (9,538)	$ (7,812)
Other comprehensive income (loss):
Foreign currency translation adjustments, net of deferred income taxes	(6,378)	15,101
Pension liability adjustments, net of deferred income taxes	9,910	(4,188)
Total other comprehensive income	4,788	8,114
Total comprehensive income (loss)	(4,750)	302
Comprehensive income (loss) attributable to Enviri Corporation	$ (5,957)	(1,266)
As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net income (loss)		(12,195)
Other comprehensive income (loss):
Foreign currency translation adjustments, net of deferred income taxes		15,723
Pension liability adjustments, net of deferred income taxes		(4,206)
Total other comprehensive income		8,718
Total comprehensive income (loss)		(3,477)
Comprehensive income (loss) attributable to Enviri Corporation		(5,045)
Revision
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net income (loss)		4,383
Other comprehensive income (loss):
Foreign currency translation adjustments, net of deferred income taxes		(622)
Pension liability adjustments, net of deferred income taxes		18
Total other comprehensive income		(604)
Total comprehensive income (loss)		3,779
Comprehensive income (loss) attributable to Enviri Corporation		$ 3,779

Revenues - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
Revenues - Narrative (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Total contract assets	$ 75,200		$ 69,100
Total advances on contracts	9,100		$ 8,200
Revenue recognized	$ 4,700	$ 17,600
SBB
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Percentage complete	91.00%
(Decrease) to loss on contracts		1,100
Network Rail
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Provisions recognized	$ 0	1,100
Deutsche Bahn
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Percentage complete	56.00%
Provisions recognized	$ 0
(Decrease) to loss on contracts		$ (13,300)
Contract \| Network Rail
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Percentage complete	68.00%
Harsco Environmental
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	$ 48,962
Harsco Environmental \| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-03-31
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	15,784
Harsco Environmental \| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-03-31
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	13,655
Harsco Environmental \| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-03-31
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	10,127
Harsco Environmental \| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2029-03-31
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	3,132
Harsco Environmental \| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2030-03-31
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	3,132
Harsco Environmental \| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2031-03-31
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	3,132
Harsco Rail
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	108,990
Harsco Rail \| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-03-31
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	42,885
Harsco Rail \| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-03-31
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	35,856
Harsco Rail \| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-03-31
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	13,354
Harsco Rail \| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2029-03-31
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	4,324
Harsco Rail \| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2030-03-31
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	3,508
Harsco Rail \| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2031-03-31
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	$ 9,063

Reconciliation of Basic and Diluted Shares (Tables)

3 Months Ended

Mar. 31, 2026

Earnings Per Share [Abstract]


	Three Months Ended
	March 31
(In thousands, except per share amounts)		2026		2025
Income (loss) from continuing operations attributable to Enviri Corporation common stockholders		$	(9,514)	$	(7,846)
Weighted-average shares outstanding:
Weighted-average shares outstanding - basic		82,291		80,331
Dilutive effect of stock-based compensation		—		—
Weighted-average shares outstanding - diluted		82,291		80,331

Earnings (loss) from continuing operations per common share, attributable to Enviri Corporation common stockholders:
Basic		$	(0.12)	$	(0.10)

Diluted		$	(0.12)	$	(0.10)

Schedule of antidilutive securities excluded from computation of earnings per share

The following average outstanding stock-based compensation units were not included in the computation of diluted earnings (loss) per share because the effect was either antidilutive or the market conditions for the performance share units were not met:


	Three Months Ended
	March 31
(In thousands)		2026	2025
Restricted stock units		1,163	2,077

Stock appreciation rights		2,682	3,330
Performance share units		547	2,457

Inventories - New Enviri (Tables)

3 Months Ended

Mar. 31, 2026

Schedule of inventories

Inventories consist of the following:


(In thousands)	March 31 2026		December 31 2025
Finished goods	$	8,721	$	11,057
Work-in-process	14,809		13,679

Raw materials and purchased parts	101,549		107,056
Stores and supplies	48,197		48,756
Total inventories	$	173,276	$	180,548

Schedule of inventories

Inventories consist of the following:


(In thousands)	March 31 2026		December 31 2025
Finished goods	$	8,151	$	10,483
Work-in-process	14,809		13,679
Raw materials and purchased parts	101,549		107,056
Stores and supplies	39,996		40,500
Total inventories	$	164,505	$	171,718

Trade Accounts Receivables and Other Receivables - Schedule of Changes in Provisions For Allowance For Credit Loss (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Receivables [Abstract]
Change in provision for expected credit losses	$ 232	$ (272)

Derivative Instruments, Hedging Activities and Fair Value - New Enviri (Tables)

3 Months Ended

Mar. 31, 2026

Schedule of fair value of outstanding derivative contracts

The fair value of outstanding derivative contracts recorded as assets and liabilities on the Company's Condensed Consolidated Balance Sheets was as follows:


(In thousands)	Balance Sheet Location	Fair Value of Derivatives Designated as Hedging Instruments		Fair Value of Derivatives Not Designated as Hedging Instruments		Total Fair Value
March 31, 2026
Asset derivatives (Level 2):
Foreign currency exchange forward contracts	Other current assets	$	168	$	5,182	$	5,350
Interest rate swaps	Other current assets	1,661		—		1,661
Interest rate swaps	Other assets	1,162		—		1,162
Total		$	2,991	$	5,182	$	8,173

Liability derivatives (Level 2):
Foreign currency exchange forward contracts	Derivative liabilities	$	495	$	13,627	$	14,122


Total		$	495	$	13,627	$	14,122

December 31, 2025
Asset derivatives (Level 2):
Foreign currency exchange forward contracts	Other current assets	$	36	$	1,340	$	1,376


Interest rate swaps	Other current assets	887		—		887
Interest rate swaps	Other assets	313		—		$	313
Total		$	1,236	$	1,340	$	2,576

Liability derivatives (Level 2):
Foreign currency exchange forward contracts	Derivative liabilities	$	861	$	19,978	$	20,839


Total		$	861	$	19,978	$	20,839

Schedule of effect of derivative instruments

The effect of derivative instruments on the Company's Condensed Consolidated Statements of Comprehensive Income (Loss) was as follows:

Derivatives Designated as Hedging Instruments



	Gain (Loss) Recognized in OCI on Derivatives				Loss (Gain) Reclassified from AOCI into Income - Effective Portion or Equity
	Three Months Ended				Three Months Ended
	March 31				March 31
(In thousands)	2026		2025		2026		2025
Foreign currency exchange forward contracts	$	491	$	(871)	$	(422)	$	192
Interest rate swaps	2,072		(2,784)		(449)		(117)

	$	2,563	$	(3,655)	$	(871)	$	75

The locations and amounts of gain (loss) recognized on the Company's Condensed Consolidated Statements of Operations was as follows:



	Three Months Ended
	March 31
	2026				2025
(In thousands)	Product Revenues		Interest Expense			Product Revenues		Interest Expense
Total amounts in the Condensed Consolidated Statement of Operations in which the effects of derivatives designated as hedging instruments are recorded	$	65,778	$	(27,833)		$	71,444	$	(26,574)
Interest rate swaps:
Gain (loss) reclassified from AOCI into income	—		449			—		117

Foreign exchange contracts:
Gain (loss) reclassified from AOCI into income	422		—			(192)		—

Derivatives Not Designated as Hedging Instruments


	Location of Gain (Loss) Recognized in Income on Derivatives (a)		Amount of Gain (Loss) Recognized in Income on Derivatives (a)
		Three Months Ended
		March 31
(In thousands)			2026		2025

Foreign currency exchange forward contracts	Cost of services and products sold		$	11,486	$	(15,156)

(a) These gains (losses) offset other amounts recognized in cost of services and products sold principally as a result of intercompany or third party foreign currency exposures.

Schedule of fair value of outstanding derivative contracts

The fair value of outstanding derivative contracts recorded as assets and liabilities on New Enviri's Condensed Combined Balance Sheets was as follows:


(In thousands)	Balance Sheet Location	Fair Value of Derivatives Designated as Hedging Instruments		Fair Value of Derivatives Not Designated as Hedging Instruments		Total Fair Value
March 31, 2026
Asset derivatives (Level 2):
Foreign currency exchange forward contracts	Other current assets	$	168	$	5,182	$	5,350
Interest rate swaps	Other current assets	1,661		—		1,661
Interest rate swaps	Other assets	1,162		—		1,162
Total		$	2,991	$	5,182	$	8,173

Liability derivatives (Level 2):
Foreign currency exchange forward contracts	Derivative liabilities	$	495	$	13,627	$	14,122
Total		$	495	$	13,627	$	14,122

December 31, 2025
Asset derivatives (Level 2):
Foreign currency exchange forward contracts	Other current assets	$	36	$	1,340	$	1,376
Interest rate swaps	Other current assets	887		—		887
Interest rate swaps	Other assets	313		—		313
Total		$	1,236	$	1,340	$	2,576

Liability derivatives (Level 2):
Foreign currency exchange forward contracts	Derivative liabilities	$	861	$	19,978	$	20,839
Total		$	861	$	19,978	$	20,839

Schedule of effect of derivative instruments

The effect of derivative instruments on New Enviri's Condensed Combined Statements of Comprehensive Income (Loss) was as follows:

Derivatives Designated as Hedging Instruments


	Gain (Loss) Recognized in OCI on Derivatives				Loss (Gain) Reclassified from AOCI into Income - Effective Portion
	Three Months Ended				Three Months Ended
	March 31				March 31
(In thousands)	2026		2025		2026		2025
Foreign currency exchange forward contracts	$	491	$	(871)	$	(422)	$	192
Interest rate swaps	2,072		(2,784)		(449)		(117)
	$	2,563	$	(3,655)	$	(871)	$	75

The locations and amounts of gain (loss) recognized on New Enviri's Condensed Combined Statements of Operations was as follows:


	Three Months Ended
	March 31
	2026				2025
(In thousands)	Product Revenues		Interest Expense		Product Revenues		Interest Expense
Total amounts in the Condensed Combined Statement of Operations in which the effects of derivatives designated as hedging instruments are recorded	$	65,778	$	(26,687)	$	71,444	$	(25,486)
Interest rate swaps:
Gain (loss) reclassified from AOCI into income	—		449		—		117
Foreign exchange contracts:
Gain (loss) reclassified from AOCI into income	422		—		(192)		—

Derivatives Not Designated as Hedging Instruments


	Location of Gain (Loss) Recognized in Income on Derivatives (a)	Amount of Gain (Loss) Recognized in Income on Derivatives (a)
		Three Months Ended
		March 31
(In thousands)		2026		2025
Foreign currency exchange forward contracts	Cost of services and products sold	$	11,486	$	(15,156)

(a) These gains (losses) offset other amounts recognized in cost of services and products sold principally as a result of intercompany or third party foreign currency exposures.

Derivative Instruments, Hedging Activities and Fair Value - Fair Value of Outstanding Derivative Contracts (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Derivative contracts
Asset derivatives	$ 8,173	$ 2,576
Liability derivatives	14,122	20,839
Foreign currency exchange forward contracts \| Other current assets
Derivative contracts
Asset derivatives	5,350	1,376
Foreign currency exchange forward contracts \| Derivative liabilities
Derivative contracts
Liability derivatives	14,122	20,839
Interest rate swaps \| Other current assets
Derivative contracts
Asset derivatives	1,661	887
Interest rate swaps \| Other assets
Derivative contracts
Asset derivatives	1,162	313
Fair Value of Derivatives Designated as Hedging Instruments
Derivative contracts
Asset derivatives	2,991	1,236
Liability derivatives	495	861
Fair Value of Derivatives Designated as Hedging Instruments \| Foreign currency exchange forward contracts \| Other current assets
Derivative contracts
Asset derivatives	168	36
Fair Value of Derivatives Designated as Hedging Instruments \| Foreign currency exchange forward contracts \| Derivative liabilities
Derivative contracts
Liability derivatives	495	861
Fair Value of Derivatives Designated as Hedging Instruments \| Interest rate swaps \| Other current assets
Derivative contracts
Asset derivatives	1,661	887
Fair Value of Derivatives Designated as Hedging Instruments \| Interest rate swaps \| Other assets
Derivative contracts
Asset derivatives	1,162	313
Fair Value of Derivatives Not Designated as Hedging Instruments
Derivative contracts
Asset derivatives	5,182	1,340
Liability derivatives	13,627	19,978
Fair Value of Derivatives Not Designated as Hedging Instruments \| Foreign currency exchange forward contracts \| Other current assets
Derivative contracts
Asset derivatives	5,182	1,340
Fair Value of Derivatives Not Designated as Hedging Instruments \| Foreign currency exchange forward contracts \| Derivative liabilities
Derivative contracts
Liability derivatives	13,627	19,978
Fair Value of Derivatives Not Designated as Hedging Instruments \| Interest rate swaps \| Other current assets
Derivative contracts
Asset derivatives	0	0
Fair Value of Derivatives Not Designated as Hedging Instruments \| Interest rate swaps \| Other assets
Derivative contracts
Asset derivatives	$ 0	$ 0

Debt and Credit Agreements - Narrative - New Enviri (Details) $ in Millions	Feb. 28, 2026 USD ($)	Nov. 30, 2025 USD ($)	Feb. 28, 2025
Debt Instrument [Line Items]
Debt Instrument, Covenant, Net Debt to Consolidated Adjusted EBITDA Ratio		3.00
Debt Instrument, Covenant, EBITDA Ratio, Quarterly Decrease			0.25
Debt Instrument, Covenant, Interest Rate Coverage Ratio, Maximum			2.50
New Enviri
Debt Instrument [Line Items]
Debt Instrument, Covenant, Net Debt to Consolidated Adjusted EBITDA Ratio		3.00
Debt Instrument, Covenant, EBITDA Ratio, Quarterly Decrease			0.25
Debt Instrument, Covenant, Interest Rate Coverage Ratio, Maximum			2.50
Debt Covenant Period One
Debt Instrument [Line Items]
Debt Instrument, Covenant, EBITDA Ratio, Maximum			5.00
Debt Covenant Period One \| New Enviri
Debt Instrument [Line Items]
Debt Instrument, Covenant, EBITDA Ratio, Maximum			5.00
Debt Covenant Period Two
Debt Instrument [Line Items]
Debt Instrument, Covenant, EBITDA Ratio, Maximum		5.50	4.00
Debt Covenant Period Two \| New Enviri
Debt Instrument [Line Items]
Debt Instrument, Covenant, EBITDA Ratio, Maximum		5.50	4.00
Debt Covenant Period Three
Debt Instrument [Line Items]
Debt Instrument, Covenant, EBITDA Ratio, Maximum		5.00
Debt Covenant Period Three \| New Enviri
Debt Instrument [Line Items]
Debt Instrument, Covenant, EBITDA Ratio, Maximum		5.00
Debt Covenant Period Four
Debt Instrument [Line Items]
Debt Instrument, Covenant, EBITDA Ratio, Maximum		4.50
Debt Covenant Period Four \| New Enviri
Debt Instrument [Line Items]
Debt Instrument, Covenant, EBITDA Ratio, Maximum		4.50
Revolving Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Facility limit	$ 50.0
Capitalized fees		$ 1.8
Revolving Credit Facility \| Line of Credit \| New Enviri
Debt Instrument [Line Items]
Facility limit	$ 50.0
Capitalized fees		$ 1.8

Revenues - New Enviri

3 Months Ended

Mar. 31, 2026

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]

Revenues

Revenues*

The Company recognizes revenues to depict the transfer of promised services and products to customers in an amount that reflects the consideration the Company expects to receive in exchange for those services and products. Service revenues include CE and the service components of HE and Rail. Product revenues include portions of HE and Rail. There are no significant inter-segment sales.

A summary of the Company's revenues by primary geographical markets as well as by key product and service groups is as follows:



	Three Months Ended
	March 31, 2026
(In thousands)	Harsco Environmental		Clean Earth		Harsco Rail		Consolidated Totals
Primary Geographical Markets (a):
North America	$	59,098	$	225,755	$	39,618	$	324,471
Western Europe	96,439		—		21,886		118,325
Latin America (b)	40,553		—		1,622		42,175
Asia-Pacific	30,357		—		4,160		34,517
Middle East and Africa	25,488		—		45		25,533
Eastern Europe	4,782		—		—		4,782
Total Revenues	$	256,717	$	225,755	$	67,331	$	549,803
Key Product and Service Groups:
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	240,425	$	—	$	—	$	240,425
Ecoproducts	12,213		—		—		12,213
Environmental systems for aluminum dross and scrap processing	4,079		—		—		4,079
Railway track maintenance equipment	—		—		20,703		20,703
After-market parts and services; safety and diagnostic technology	—		—		28,955		28,955
Railway contracting services	—		—		17,673		17,673
Hazardous waste processing solutions	—		188,807		—		188,807
Soil and dredged materials processing and reuse solutions	—		36,948		—		36,948
Total Revenues	$	256,717	$	225,755	$	67,331	$	549,803



	Three Months Ended
	March 31, 2025
(In thousands)	Harsco Environmental		Clean Earth		Harsco Rail		Consolidated Totals
Primary Geographical Markets (a):
North America	$	55,226	$	234,854	$	36,976	$	327,056
Western Europe	97,644		—		27,224		124,868
Latin America (b)	32,124		—		1,800		33,924
Asia-Pacific	28,564		—		3,947		32,511
Middle East and Africa	25,349		—		—		25,349
Eastern Europe	4,199		—		—		4,199
Total Revenues	$	243,106	$	234,854	$	69,947	$	547,907


Key Product and Service Groups:
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	227,205	$	—	$	—	$	227,205
Ecoproducts	10,692		—		—		10,692
Environmental systems for aluminum dross and scrap processing	5,209		—		—		5,209
Railway track maintenance equipment	—		—		33,068		33,068
After-market parts and services; safety and diagnostic technology	—		—		22,915		22,915
Railway contracting services	—		—		13,964		13,964
Hazardous waste processing solutions	—		197,594		—		197,594
Soil and dredged materials processing and reuse solutions	—		37,260		—		37,260
Total Revenues	$	243,106	$	234,854	$	69,947	$	547,907

(a) Revenues are attributed to individual countries based on the location of the facility generating the revenue.

(b) Includes Mexico.

The Company may receive payments in advance of earning revenue (advances on contracts), which are included in Current portion of advances on contracts and Other liabilities on the Condensed Consolidated Balance Sheets. The Company may recognize revenue in advance of being able to contractually invoice the customer (contract assets), which is included in Current portion of contract assets and Other assets on the Condensed Consolidated Balance Sheets. Contract assets are transferred to Trade accounts receivable, net, when the right to payment becomes unconditional. Contract assets and advances on contracts are reported as a net position, on a contract-by-contract basis, at the end of each reporting period. These instances are primarily related to Rail.

The Company had contract assets totaling $75.2 million and $69.1 million at March 31, 2026 and December 31, 2025, respectively. The Company had advances on contracts totaling $9.1 million and $8.2 million at March 31, 2026 and December 31, 2025, respectively. The increase in advances on contracts is due principally to an excess of new advances over the recognition of revenue on previously received advances on contracts during the period. During the three months ended March 31, 2026, the Company recognized $4.7 million of revenue related to amounts previously included in advances on contracts. During the three months ended March 31, 2025, the Company recognized revenues of $17.6 million related to amounts previously included in advances on contracts.

The table below represents the expected fulfillment year of Company's fixed, unsatisfied performance obligations, where the expected contract duration exceeds one year, by segment, and excludes any variable fees, fixed fees subject to indexation and any performance obligations expected to be satisfied within one year:


(In thousands)	Harsco Environmental		Harsco Rail
2027	$	15,784	$	42,885
2028	13,655		35,856
2029	10,127		13,354
2030	3,132		4,324
2031	3,132		3,508
Thereafter	3,132		9,063
Total remaining performance obligations	$	48,962	$	108,990

Rail is currently manufacturing highly-engineered equipment under significant long-term fixed-price contracts with SBB, Network Rail, and Deutsche Bahn. As previously disclosed, the Company has recognized estimated forward loss provisions related to these contracts due to several factors, such as material and labor cost inflation, supply chain delays, the bankruptcy of key vendors, increased engineering efforts and challenges encountered with homologation and commissioning of equipment.

For the Network Rail contract, no adjustment was made to the forward loss provision for the three months ended March 31, 2026. During the three months ended March 31, 2025, the Company recorded an additional forward loss provision of $1.1 million primarily related to increased estimated engineering and manufacturing costs.

For the Deutsche Bahn contract, no adjustment was made to the forward loss provision during the three months ended March 31, 2026. During the three months ended March 31, 2025, the Company recorded a net favorable adjustment of $13.3 million that was the result of an amendment to the contract with Deutsche Bahn which included additional pricing, as well as an extension of the delivery schedule for the machines which resulted in a reduction of the previous estimate of penalties. The increased pricing and reduction of penalties were recorded as an increase to revenue. Partially offsetting this were higher estimated material, manufacturing and engineering costs.

For the SBB contract, no adjustment was made to the forward loss provision during the three months ended March 31, 2026. For the three months ended March 31, 2025, the Company recorded an additional loss provision of $1.1 million due to an increased estimate for engineering costs and a supplier claim.

The estimated forward loss provisions represent the Company's best estimate based on currently available information. It is possible that the Company's overall estimate of liquidated damages, penalties and costs to complete these contracts may change, which could result in an additional estimated forward loss provision at such time that could be material. The Company will continue to update its estimates to complete these contracts, which will include the effect of negotiations with the customers regarding measures to improve the overall economics if the contracts, to include price increases, change orders and extensions to delivery schedules. To that extent, the Company is currently in discussions with Network Rail and has sent Network Rail a letter communicating the need to bring the negotiations to closure and summarizing various options, including a substantial revision of the contract’s economic terms or finding a mutually acceptable exit to this contract. If the Company were to exit this contract and/or other contracts, it could result in a material unfavorable impact to the Company's results of operations and cash flows.

As of March 31, 2026, the contracts with Network Rail, Deutsche Bahn and SBB are 68%, 56% and 91% complete, respectively, based on costs incurred under the cost-to-cost method to measure progress.

The Company provides assurance type warranties primarily for product sales at Rail. These warranties are typically not priced or negotiated separately (there is no option to separately purchase the warranty) or the warranty does not provide customers with a service in addition to the assurance that the product complies with agreed-upon specifications. Accordingly, such warranties do not represent separate performance obligations.

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]

Revenues

New Enviri recognizes revenues to depict the transfer of promised services and products to customers in an amount that reflects the consideration New Enviri expects to receive in exchange for those services and products. There are no significant inter-segment sales.

A summary of New Enviri's revenues by primary geographical markets as well as by key product and service groups is as follows:


	Three Months Ended
	March 31, 2026
(In thousands)	Harsco Environmental		Harsco Rail		Combined Totals
Primary Geographical Markets (a):
North America	$	59,098	$	39,618	$	98,716
Western Europe	96,439		21,886		118,325
Latin America (b)	40,553		1,622		42,175
Asia-Pacific	30,357		4,160		34,517
Middle East and Africa	25,488		45		25,533
Eastern Europe	4,782		—		4,782
Total Revenues	$	256,717	$	67,331	$	324,048
Key Product and Service Groups:
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	240,425	$	—	$	240,425
Ecoproducts	12,213		—		12,213
Environmental systems for aluminum dross and scrap processing	4,079		—		4,079
Railway track maintenance equipment	—		20,703		20,703
After-market parts and services; safety and diagnostic technology	—		28,955		28,955
Railway contracting services	—		17,673		17,673
Total Revenues	$	256,717	$	67,331	$	324,048


	Three Months Ended
	March 31, 2025
(In thousands)	Harsco Environmental		Harsco Rail		Combined Totals
Primary Geographical Markets (a):
North America	$	55,226	$	36,976	$	92,202
Western Europe	97,644		27,224		124,868
Latin America (b)	32,124		1,800		33,924
Asia-Pacific	28,564		3,947		32,511
Middle East and Africa	25,349		—		25,349
Eastern Europe	4,199		—		4,199
Total Revenues	$	243,106	$	69,947	$	313,053
Key Product and Service Groups:
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	227,205	$	—	$	227,205
Ecoproducts	10,692		—		10,692
Environmental systems for aluminum dross and scrap processing	5,209		—		5,209
Railway track maintenance equipment	—		33,068		33,068
After-market parts and services; safety and diagnostic technology	—		22,915		22,915
Railway contracting services	—		13,964		13,964
Total Revenues	$	243,106	$	69,947	$	313,053

(a)Revenues are attributed to individual countries based on the location of the facility generating the revenue.

(b) Includes Mexico.

New Enviri may receive payments in advance of earning revenue (advances on contracts), which are included in Other current liabilities and Other liabilities on the Condensed Combined Balance Sheets. New Enviri may recognize revenue in advance of being able to contractually invoice the customer (contract assets), which is included in Other current assets on the Condensed Combined Balance Sheets. Contract assets are transferred to Trade accounts receivable, net, when the right to payment becomes unconditional. Contract assets and advances on contracts are reported as a net position, on a contract-by-contract basis, at the end of each reporting period. These instances are primarily related to Rail.

New Enviri had contract assets totaling $75.2 million and $69.1 million at March 31, 2026 and December 31, 2025, respectively. New Enviri had advances on contracts totaling $9.1 million and $8.2 million at March 31, 2026 and December 31, 2025, respectively. The increase in advances on contracts is due principally to an excess of new advances over the recognition of revenue on previously received advances on contracts during the period. During the three months ended March 31, 2026, New Enviri recognized $4.7 million of revenue related to amounts previously included in advances on contracts. During the three months ended March 31, 2025, New Enviri recognized revenues of $17.6 million related to amounts previously included in advances on contracts.

The table below represents the expected fulfillment year of New Enviri's fixed, unsatisfied performance obligations, where the expected contract duration exceeds one year, by segment, and excludes any variable fees, fixed fees subject to indexation and any performance obligations expected to be satisfied within one year:


(In thousands)	Harsco Environmental		Harsco Rail
2027	$	15,784	$	42,885
2028	13,655		35,856
2029	10,127		13,354
2030	3,132		4,324
2031	3,132		3,508
Thereafter	3,132		9,063
Total remaining performance obligations	$	48,962	$	108,990

Rail is currently manufacturing highly-engineered equipment under large long-term fixed-price contracts with SBB, Network Rail, and Deutsche Bahn. As previously disclosed, New Enviri has recognized estimated forward loss provisions related to these contracts due to several factors, such as material and labor cost inflation, supply chain delays, the bankruptcy of key vendors, increased engineering efforts and challenges encountered with homologation and commissioning of equipment.

For the Network Rail contract, no adjustment was made to the forward loss provision for the three months ended March 31, 2026. During the three months ended March 31, 2025, New Enviri recorded an additional forward loss provision of $1.1 million primarily related to increased estimated engineering and manufacturing costs.

For the Deutsche Bahn contract, no adjustment was made to the forward loss provision during the three months ended March 31, 2026. During the three months ended March 31, 2025, New Enviri recorded a net favorable adjustment of $13.3 million that was the result of an amendment to the contract with Deutsche Bahn which included additional pricing, as well as an extension of the delivery schedule for the machines which resulted in a reduction of the previous estimate of penalties. The increased pricing and reduction of penalties were recorded as an increase to revenue. Partially offsetting this were higher estimated material, manufacturing and engineering costs.

For the SBB contract, no adjustment was made to the forward loss provision during the three months ended March 31, 2026. For the three months ended March 31, 2025, New Enviri recorded an additional loss provision of $1.1 million due to an increased estimate for engineering costs and a supplier claim.

The estimated forward loss provisions represent New Enviri's best estimate based on currently available information. It is possible that New Enviri's overall estimate of liquidated damages, penalties and costs to complete these contracts may change, which could result in an additional estimated forward loss provision at such time that could be material. New Enviri will continue to update its estimates to complete these contracts, which will include the effect of negotiations with the customers regarding measures to improve the overall economics of the contracts, to include price increases, change orders and extensions to delivery schedules. To that extent, New Enviri is currently in discussions with Network Rail and has sent Network Rail a letter communicating the need to bring the negotiations to closure and summarizing various options, including a substantial revision of the contract’s economic terms or finding a mutually acceptable exit to this contract. If New Enviri were to exit this contract and/or other contracts, it could result in a material unfavorable impact to New Enviri's results of operations and cash flows.

As of March 31, 2026, the contracts with Network Rail, Deutsche Bahn and SBB are 68%, 56% and 91% complete, respectively, based on costs incurred under the cost-to-cost method to measure progress.

New Enviri provides assurance type warranties primarily for product sales at Rail. These warranties are typically not priced or negotiated separately (there is no option to separately purchase the warranty) or the warranty does not provide customers with a service in addition to the assurance that the product complies with agreed-upon specifications. Accordingly, such warranties do not represent separate performance obligations.

The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.

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CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - New Enviri (Unaudited) - USD ($) $ in Thousands	Total	New Enviri	Total Parent Equity New Enviri	Net Parent Investment New Enviri	Accumulated Other Comprehensive Loss	Accumulated Other Comprehensive Loss New Enviri	Noncontrolling Interests	Noncontrolling Interests New Enviri
Beginning balance at Dec. 31, 2024	$ 429,666	$ (438,079)	$ (476,230)	$ 51,832	$ (537,385)	$ (528,062)	$ 38,151	$ 38,151
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(7,812)	(23,799)	(25,000)	(25,000)			1,201	1,201
Total other comprehensive income	8,114	5,579	5,212		7,747	5,212	367	367
Amortization of unearned stock-based compensation, net of forfeitures	4,044	2,219	2,219	2,219
Net transfers from Parent		10,857	10,857	10,857
Ending balance at Mar. 31, 2025	432,533	(443,223)	(482,942)	39,908	(529,638)	(522,850)	39,719	39,719
Beginning balance at Dec. 31, 2025	295,587	(568,361)	(608,886)	(99,506)	(514,481)	(509,380)	40,525	40,525
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(9,538)	(48,564)	(49,691)	(49,691)			1,127	1,127
Total other comprehensive income	4,788	6,807	6,727		4,708	6,727	80	80
Amortization of unearned stock-based compensation, net of forfeitures	2,329	1,179	1,179	1,179
Net transfers from Parent		(7,622)	(7,622)	(7,622)
Ending balance at Mar. 31, 2026	$ 274,911	$ (616,561)	$ (658,293)	$ (155,640)	$ (509,773)	$ (502,653)	$ 41,732	$ 41,732

Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount of equity (deficit) attributable to parent and noncontrolling interest. Excludes temporary equity.

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Income Taxes	3 Months Ended
Income Taxes	Mar. 31, 2026
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes* Income tax benefit from continuing operations for the three months ended March 31, 2026 was $24.4 million compared with $2.0 million income tax expense for the three months ended March 31, 2025. The change is primarily due to costs of $12.5 million related to the planned sale of Clean Earth during the three months ended March 31, 2026, which did not occur during the three months ended March 31, 2025, lower operating income in Clean Earth and a $5.1 million tax benefit from the vesting of stock-based compensation awards in 2026. The reserve for uncertain tax positions on March 31, 2026 and December 31, 2025 was $6.0 million and $6.7 million, respectively, including interest and penalties. Within the next twelve months, it is reasonably possible that $2.0 million in unrecognized income tax benefits will be recognized upon settlement of tax examinations and the expiration of various statutes of limitations. * Previously issued 2025 amounts have been revised due to the correction of immaterial errors, as identified in Note 1, Basis of Presentation under "Revision of Previously Issued Financial Statements".

The entire disclosure for income tax.

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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482603/740-30-50-2

Revenue from Contract with Customer [Abstract]

Revenues

3 Months Ended

Mar. 31, 2026

Revenues

Revenues*

A summary of the Company's revenues by primary geographical markets as well as by key product and service groups is as follows:



	Three Months Ended
	March 31, 2026
(In thousands)	Harsco Environmental		Clean Earth		Harsco Rail		Consolidated Totals
Primary Geographical Markets (a):
North America	$	59,098	$	225,755	$	39,618	$	324,471
Western Europe	96,439		—		21,886		118,325
Latin America (b)	40,553		—		1,622		42,175
Asia-Pacific	30,357		—		4,160		34,517
Middle East and Africa	25,488		—		45		25,533
Eastern Europe	4,782		—		—		4,782
Total Revenues	$	256,717	$	225,755	$	67,331	$	549,803
Key Product and Service Groups:
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	240,425	$	—	$	—	$	240,425
Ecoproducts	12,213		—		—		12,213
Environmental systems for aluminum dross and scrap processing	4,079		—		—		4,079
Railway track maintenance equipment	—		—		20,703		20,703
After-market parts and services; safety and diagnostic technology	—		—		28,955		28,955
Railway contracting services	—		—		17,673		17,673
Hazardous waste processing solutions	—		188,807		—		188,807
Soil and dredged materials processing and reuse solutions	—		36,948		—		36,948
Total Revenues	$	256,717	$	225,755	$	67,331	$	549,803



	Three Months Ended
	March 31, 2025
(In thousands)	Harsco Environmental		Clean Earth		Harsco Rail		Consolidated Totals
Primary Geographical Markets (a):
North America	$	55,226	$	234,854	$	36,976	$	327,056
Western Europe	97,644		—		27,224		124,868
Latin America (b)	32,124		—		1,800		33,924
Asia-Pacific	28,564		—		3,947		32,511
Middle East and Africa	25,349		—		—		25,349
Eastern Europe	4,199		—		—		4,199
Total Revenues	$	243,106	$	234,854	$	69,947	$	547,907


Key Product and Service Groups:
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	227,205	$	—	$	—	$	227,205
Ecoproducts	10,692		—		—		10,692
Environmental systems for aluminum dross and scrap processing	5,209		—		—		5,209
Railway track maintenance equipment	—		—		33,068		33,068
After-market parts and services; safety and diagnostic technology	—		—		22,915		22,915
Railway contracting services	—		—		13,964		13,964
Hazardous waste processing solutions	—		197,594		—		197,594
Soil and dredged materials processing and reuse solutions	—		37,260		—		37,260
Total Revenues	$	243,106	$	234,854	$	69,947	$	547,907

(a) Revenues are attributed to individual countries based on the location of the facility generating the revenue.

(b) Includes Mexico.


(In thousands)	Harsco Environmental		Harsco Rail
2027	$	15,784	$	42,885
2028	13,655		35,856
2029	10,127		13,354
2030	3,132		4,324
2031	3,132		3,508
Thereafter	3,132		9,063
Total remaining performance obligations	$	48,962	$	108,990

As of March 31, 2026, the contracts with Network Rail, Deutsche Bahn and SBB are 68%, 56% and 91% complete, respectively, based on costs incurred under the cost-to-cost method to measure progress.

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Employee Benefit Plans - New Enviri

3 Months Ended

Mar. 31, 2026

Employee Benefit Plans

Employee Benefit Plans*



	Three Months Ended
	March 31
Defined Benefit Pension Plans Net Periodic Pension Cost (Benefit)	U.S. Plans				International Plans
(In thousands)	2026		2025		2026		2025
Service costs	$	—	$	—	$	260	$	303
Interest costs	2,031		2,313		7,372		7,387
Expected return on plan assets	(2,287)		(2,562)		(7,804)		(6,499)
Recognized prior service costs	—		—		108		113
Recognized actuarial losses	751		785		3,754		3,698


Defined benefit pension plans net periodic pension cost (benefit)	$	495	$	536	$	3,690	$	5,002

Cash contributions to U.S. and international defined benefit pension plans totaled $0.4 million and $0.2 million for the three months ended March 31, 2026, respectively. The Company's estimate of expected cash contributions to be paid during the remainder of 2026 for the U.S. and international defined benefit pension plans is $1.2 million and $0.7 million, respectively.

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Employee Benefit Plans


	Three Months Ended
	March 31
Defined Benefit Pension Plans Net Periodic Pension Cost (Benefit)	U.S. Plans				International Plans
(In thousands)	2026		2025		2026		2025
Service costs	$	—	$	—	$	260	$	303
Interest costs	2,031		2,313		7,372		7,387
Expected return on plan assets	(2,287)		(2,562)		(7,804)		(6,499)
Recognized prior service costs	—		—		108		113
Recognized actuarial losses	751		785		3,754		3,698
Defined benefit pension plans net periodic pension cost (benefit)	$	495	$	536	$	3,690	$	5,002

Cash contributions to U.S. and international defined benefit pension plans totaled $0.4 million and $0.2 million for the three months ended March 31, 2026, respectively. New Enviri's estimate of expected cash contributions to be paid during the remainder of 2026 for the U.S. and international defined benefit pension plans is $1.2 million and $0.7 million, respectively.

The entire disclosure for retirement benefits.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Basis of Presentation - New Enviri

3 Months Ended

Mar. 31, 2026

Basis of Presentation [Line Items]

Basis of Presentation

The Company has prepared these unaudited condensed consolidated financial statements in accordance with U.S. GAAP for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X of the SEC. Accordingly, the unaudited Condensed Consolidated Financial Statements do not include all information and disclosure required by U.S. GAAP for annual financial statements. The December 31, 2025 Condensed Consolidated Balance Sheet information contained in this Quarterly Report on Form 10-Q was derived from the 2025 audited consolidated financial statements. These unaudited Condensed Consolidated Financial Statements should be read in conjunction with the audited Consolidated Financial Statements, including the notes thereto, included in New Enviri's Information Statement (the "Information Statement"), dated May 8, 2026, attached as Exhibit 99.1 to New Enviri's Current Report on Form 8-K furnished to the SEC on May 11, 2026. In the opinion of management, all adjustments (all of which are of a normal recurring nature) that are necessary for a fair statement are reflected in these unaudited Condensed Consolidated Financial Statements.

As used in this section, the term the “Company” means Enviri Corporation, a Delaware corporation, and its direct and indirect subsidiaries prior to the completion of the Holding Company Merger.

Going Concern

The Company’s cash flow forecasts, existing cash and cash equivalents, borrowings available under the Senior Secured Credit Facilities and the AR Facility indicate sufficient liquidity to fund the Company’s operations for at least the next twelve months. As such, the Company’s unaudited Consolidated Financial Statements have been prepared on the basis that it will continue as a going concern for a period extending beyond twelve months from the date the unaudited Consolidated Financial Statements are issued. This assessment includes the expected ability to meet required financial covenants and the continued ability to draw down on the Senior Secured Credit Facilities (see Note 8, Debt and Credit Agreements).

Revision of Previously Issued Financial Statements

During the year ended December 31, 2025, management identified certain errors related to the measurement of certain aspects of the defined benefit pension obligation associated with the U.K. pension plan (the “Plan”) administered by the Company. The errors related to the historic application of certain provisions governing pension benefits in the actuarial estimation of the liabilities for certain acquired pension plans merged into the Plan. The errors were identified by the Company during a review of the Plan in preparation for the potential buy-out of the Plan’s liabilities by an insurance company.

Management evaluated the identified errors in accordance with ASC 250, Accounting Changes and Error Corrections, and applicable SEC guidance, including SAB 99, considering both quantitative and qualitative factors. Management concluded that the errors were not material to the Company’s previously issued consolidated financial statements for any individual period. However, due to the cumulative impact of these errors, the Company revised the prior-period financial statements.

The revisions primarily affected Retirement plan assets and Retained earnings with corresponding impacts to Defined benefit pension income (expense) and Accumulated other comprehensive income (loss). In connection with the revision, the Company also corrected other previously identified immaterial errors. The revision did not impact the Company’s previously reported net cash flows or compliance with debt covenants.

The impact of revising the Condensed Consolidated Statements of Operations for the period presented is as follows:


	Three Months Ended March 31, 2025
(In thousands, except per share amounts)	As Previously Reported		Revision		As Revised
Revenues from continuing operations:
Service revenues	$	476,840	$	(377)	$	476,463

Total revenues	548,284		(377)		547,907

Costs and expenses from continuing operations:

Cost of products sold	51,361		1,017		52,378
Total costs and expenses	517,629		1,017		518,646
Operating income (loss) from continuing operations	30,655		(1,394)		29,261

Defined benefit pension income (expense)	(5,033)		(168)		(5,201)
Income (loss) from continuing operations before income taxes and equity in income	(3,110)		(1,562)		(4,672)
Income tax benefit (expense) from continuing operations	(7,946)		5,945		(2,001)
Net income (loss)	(12,195)		4,383		(7,812)
Net income (loss) attributable to Enviri Corporation	$	(13,396)	$	4,383	$	(9,013)

Amounts attributable to Enviri Corporation common stockholders:
Income (loss) from continuing operations, net of tax	$	(12,229)	$	4,383	$	(7,846)
Net income (loss) attributable to Enviri Corporation common stockholders	$	(13,396)	$	4,383	$	(9,013)

Basic earnings (loss) per share attributable to Enviri Corporation common stockholders: (a)
Continuing operations	$	(0.15)	$	0.05	$	(0.10)
Basic earnings (loss) per share attributable to Enviri Corporation common stockholders	$	(0.17)	$	0.05	$	(0.11)

Diluted earnings (loss) per share attributable to Enviri Corporation common stockholders: (a)
Continuing operations	$	(0.15)	$	0.05	$	(0.10)
Diluted earnings (loss) per share attributable to Enviri Corporation common stockholders	$	(0.17)	$	0.05	$	(0.11)

(a) Earnings (loss) per share attributable to Enviri Corporation common stockholders is calculated based on actual amounts. As a result, these per share amounts may not total due to rounding.

The impact of revising the Condensed Consolidated Statements of Comprehensive Income (Loss) for the period presented is as follows:


	Three Months Ended March 31, 2025
(In thousands, except per share amounts)	As Previously Reported		Revision		As Revised
Net income (loss)	$	(12,195)	$	4,383	$	(7,812)
Other comprehensive income (loss):
Foreign currency translation adjustments, net of deferred taxes	15,723		(622)		15,101
Pension liability adjustment, net of deferred taxes	(4,206)		18		(4,188)
Total other comprehensive income (loss)	8,718		(604)		8,114
Total comprehensive income (loss)	(3,477)		3,779		302
Comprehensive income (loss) attributable to Enviri Corporation	$	(5,045)	$	3,779	$	(1,266)

The impact of revising the Condensed Consolidated Statements of Cash Flows for the period presented is as follows:


	Three Months Ended March 31, 2025
(In thousands, except per share amounts)	As Previously Reported		Revision		As Revised
Cash flows from operating activities:
Net income (loss)	$	(12,195)	$	4,383	$	(7,812)
Deferred income tax (benefit) expense	2,776		(5,599)		(2,823)
Changes in assets and liabilities, net of acquisitions and dispositions of businesses:
Accounts receivable	(13,501)		377		(13,124)
Inventories	(8,995)		1,017		(7,978)
Retirement plan liabilities, net	4,488		168		4,656
Other assets and liabilities	8,034		(346)		7,688
Net cash (used) provided by operating activities	6,600		—		6,600
Net cash used by investing activities	(18,447)		—		(18,447)
Net cash (used) provided by financing activities	26,127		—		26,127
Effect of exchange rate changes on cash and cash equivalents, including restricted cash	(9)		—		(9)
Net increase (decrease) in cash and cash equivalents, including restricted cash	14,271		—		14,271
Cash and cash equivalents, including restricted cash, at beginning of period	90,158		—		90,158
Cash and cash equivalents, including restricted cash, at end of period	$	104,429	$	—	$	104,429

The impact of revising the Condensed Consolidated Statements of Equity for all periods presented is as follows:


	As Previously Reported
	Enviri Corporation Stockholders’ Equity
	Common Stock				Additional Paid-in Capital		Retained Earnings		Accumulated Other Comprehensive Loss		Noncontrolling Interests
(In thousands, except share amounts)	Issued		Treasury										Total
Balances, December 31, 2024	$	146,844	$	(851,881)	$	255,102	$	1,400,347	$	(538,964)	$	38,151	$	449,599
Net income (loss)	—		—		—		(13,396)		—		1,201		(12,195)
Total other comprehensive income (loss), net of deferred income taxes of $2,487	—		—		—		—		8,351		367		8,718
Vesting of restricted stock units and other stock grants, net 284,643 shares	636		(1,357)		(636)		—		—		—		(1,357)
Vesting of performance share units, net 14,860 shares	35		(122)		(35)		—		—		—		(122)
Amortization of unearned stock-based compensation, net of forfeitures	—		—		4,044		—		—		—		4,044
Balances, March 31, 2025	$	147,515	$	(853,360)	$	258,475	$	1,386,951	$	(530,613)	$	39,719	$	448,687


	Revision
	Enviri Corporation Stockholders’ Equity
	Common Stock				Additional Paid-in Capital		Retained Earnings		Accumulated Other Comprehensive Loss		Noncontrolling Interests
(In thousands, except share amounts)	Issued		Treasury										Total
Balances, December 31, 2024	$	—	$	—	$	—	$	(21,512)	$	1,579	$	—	$	(19,933)
Net income (loss)	—		—		—		4,383		—		—		4,383
Total other comprehensive income (loss)	—		—		—		—		(604)		—		(604)
Vesting of restricted stock units and other stock grants	—		—		—		—		—		—		—
Vesting of performance share units	—		—		—		—		—		—		—
Amortization of unearned stock-based compensation, net of forfeitures	—		—		—		—		—		—		—
Balances, March 31, 2025	$	—	$	—	$	—	$	(17,129)	$	975	$	—	$	(16,154)


	As Revised
	Enviri Corporation Stockholders’ Equity
	Common Stock				Additional Paid-in Capital		Retained Earnings		Accumulated Other Comprehensive Loss		Noncontrolling Interests
(In thousands, except share amounts)	Issued		Treasury										Total
Balances, December 31, 2024	$	146,844	$	(851,881)	$	255,102	$	1,378,835	$	(537,385)	$	38,151	$	429,666
Net income (loss)	—		—		—		(9,013)		—		1,201		(7,812)

Total other comprehensive income (loss), net of deferred income taxes of $2,487	—		—		—		—		7,747		367		8,114
Vesting of restricted stock units and other stock grants, net 284,643 shares	636		(1,357)		(636)		—		—		—		(1,357)
Vesting of performance share units, net 14,860 shares	35		(122)		(35)		—		—		—		(122)
Amortization of unearned stock-based compensation, net of forfeitures	—		—		4,044		—		—		—		4,044
Balances, March 31, 2025	$	147,515	$	(853,360)	$	258,475	$	1,369,822	$	(529,638)	$	39,719	$	432,533

Basis of Presentation [Line Items]

Basis of Presentation

New Enviri has prepared these unaudited Condensed Combined Financial Statements as of May 11, 2026 and in accordance with U.S. GAAP for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X of the SEC. Accordingly, the unaudited Condensed Combined Financial Statements do not include all information and disclosure required by U.S. GAAP for annual financial statements. The December 31, 2025 Condensed Combined Balance Sheets information contained in this Quarterly Report on Form 10-Q was derived from the 2025 audited Combined Financial Statements. These unaudited Condensed Combined Financial Statements should be read in conjunction with the audited combined financial statements, including the notes thereto, included in New Enviri's Information Statement (the "Information Statement"), dated May 8, 2026, attached as Exhibit 99.1 to New Enviri's Current Report on Form 8-K furnished to the SEC on May 11, 2026. In the opinion of management, all adjustments (all of which are of a normal recurring nature) that are necessary for a fair statement are reflected in these unaudited Condensed Combined Financial Statements. The operations comprising New Enviri are in two segments – HE and Rail, all of which are wholly owned by Enviri. Accordingly, Enviri’s net investment in these operations is shown in lieu of stockholders' equity in the Condensed Combined Financial Statements.

New Enviri comprises certain stand-alone reportable segments for which discrete financial information is available. As Enviri records transactions at the legal entity level, for the shared entities for which discrete financial information was not available, allocation methodologies were applied to certain accounts to allocate amounts to New Enviri as discussed further below.

The Condensed Combined Statements of Operations include all revenues and costs directly attributable to New Enviri as well as an allocation of expenses related to facilities, functions and services provided by our Parent. These corporate expenses have been allocated to New Enviri based on direct usage or benefit, where identifiable, with the remainder allocated based on revenues or headcount. Management of New Enviri and Parent consider these allocations to be a reasonable reflection of the utilization of services by, or the benefits provided to, New Enviri. The allocations may not, however, reflect the expense New Enviri would have incurred as a stand-alone company for the periods presented. Actual costs that would have been incurred if New Enviri had been a stand-alone company would depend on multiple factors, including organizational structure and strategic decisions made in various areas, such as the division of shared services in corporate stewardship, legal, finance, human resources, information systems and marketing, among others. See Note 17, Relationship with Parent and Related Entities. The allocated costs are deemed to be settled by New Enviri to the Parent in the period in which the expense was recorded in the Condensed Combined Statements of Operations. The Condensed Combined Statements of Cash Flows present these corporate expenses as cash flows from operating activities, as these costs were incurred by our Parent. Current and deferred income taxes and related tax expense have been determined based on the stand-alone results of New Enviri by applying Accounting Standards Codification No. 740, Income Taxes (“ASC 740”), to New Enviri’s operations in each country as if it were a separate taxpayer (i.e., following the Separate Return Methodology).

The Condensed Combined Financial Statements include all assets and liabilities that reside in New Enviri legal entities. Assets and liabilities in shared entities were included in the stand-alone financial statements to the extent the asset is primarily used by New Enviri. If New Enviri is not the primary user of the asset or liability, it was excluded entirely from the Condensed Combined Financial Statements. The Parent uses a transaction perimeter approach to cash management and financing its operations. Accordingly, all cash and cash equivalents, related party notes payables, and related interest expense related to New Enviri have been attributed to New Enviri in the Condensed Combined Financial Statements. Any such items which exist in other entities, whether shared or otherwise, are outside of the control of New Enviri and have been excluded from the Condensed Combined Financial Statements.

Our Parent maintains various stock-based compensation plans at a corporate level. New Enviri employees participate in those programs and a portion of the compensation cost associated with those plans is included in New Enviri’s Condensed Combined Statements of Operations. Also, the stock-based compensation expense has been included within Parent company net investment on the Condensed Combined Statements of Changes in Parent Company Net Investment. The amounts presented in the Condensed Combined Financial Statements are not necessarily indicative of future awards and may not reflect the results that New Enviri would have experienced as a separate, stand-alone company. See Note 17, Relationship with Parent and Related Entities.

Our Parent’s third-party debt and the related interest have been recorded to New Enviri for all periods presented, as New Enviri is responsible for these obligations. The debt was incurred specifically for purposes related to New Enviri’s operations and is directly attributable to New Enviri. Furthermore, the legal entities within New Enviri are responsible for guaranteeing and servicing the debt, and are not jointly and severally liable for any of Parent’s other outstanding obligations.

Any transactions which have been included in the Condensed Combined Financial Statements from legal entities which are not exclusively operating as New Enviri are considered to be effectively settled in the Condensed Combined Financial Statements at the time the transaction is recorded between Parent and New Enviri. The total net effect of the settlement of these intercompany transactions is reflected in the Condensed Combined Statements of Cash Flows as a financing activity and in the Condensed Combined Balance Sheets as Parent company net investment. Other transactions between New Enviri and other Parent segments, to the extent such transactions have not been settled in cash as of the period-end date, are reflected in the Condensed Combined Balance Sheets as related party notes payables.

All of the allocations and estimates in the Condensed Combined Financial Statements are based on assumptions that management believes are reasonable. However, the Condensed Combined Financial Statements included herein may not be indicative of the financial position, results of operations, and cash flows of New Enviri in the future or if New Enviri had been a separate, stand-alone publicly traded entity during the periods presented.

Leases - New Enviri

3 Months Ended

Mar. 31, 2026

Leases*

The components of lease expense were as follows:


	Three Months Ended
	March 31
(In thousands)		2026		2025
Finance leases:
Depreciation expense		$	4,811	$	3,959
Interest on lease liabilities		1,532		1,392
Operating leases		10,419		9,572
Variable and short-term lease expense		13,085		12,580
Sublease income		(47)		(2)
Total lease expense		$	29,800	$	27,501

Leases*

The components of lease expense were as follows:


	Three Months Ended
	March 31
(In thousands)		2026		2025
Finance leases:
Depreciation expense		$	4,811	$	3,959
Interest on lease liabilities		1,532		1,392
Operating leases		10,419		9,572
Variable and short-term lease expense		13,085		12,580
Sublease income		(47)		(2)
Total lease expense		$	29,800	$	27,501

The components of lease expense were as follows:


	Three Months Ended
	March 31
(In thousands)	2026		2025
Finance leases:
Depreciation expense	$	1,653	$	1,352
Interest on lease liabilities	377		334
Operating leases	3,202		3,056
Variable and short-term lease expense	8,693		7,460
Sublease income	(2)		(2)
Total lease expense	$	13,923	$	12,200

Accounts, Notes, Loans and Financing Receivable [Line Items]

The components of lease expense were as follows:


	Three Months Ended
	March 31
(In thousands)	2026		2025
Finance leases:
Depreciation expense	$	1,653	$	1,352
Interest on lease liabilities	377		334
Operating leases	3,202		3,056
Variable and short-term lease expense	8,693		7,460
Sublease income	(2)		(2)
Total lease expense	$	13,923	$	12,200

Trade Accounts Receivables and Other Receivables - New Enviri

3 Months Ended

Mar. 31, 2026

Trade Accounts Receivables and Other Receivables

Trade Accounts Receivables and Other receivables

Accounts receivable consist of the following:


(In thousands)	March 31 2026		December 31 2025
Trade accounts receivable	$	296,442	$	278,488
Less: Allowance for expected credit losses	(10,926)		(11,049)

Trade accounts receivable, net	$	285,516	$	267,439

Other receivables (a)	$	40,328	$	46,930

(a) Other receivables include employee receivables, insurance receivable, tax claims and refunds and other miscellaneous items not included in Trade accounts receivable, net.

The change in provision for expected credit losses related to trade accounts receivable was as follows:


	Three Months Ended
	March 31
(In thousands)		2026		2025
Change in provision for expected credit losses		$	232	$	(272)

At March 31, 2026, $8.3 million of the Company's trade accounts receivable were past due by twelve months or more, with $6.0 million of this amount reserved.

Accounts Receivable Securitization Facility

In June 2022, the Company and its SPE entered into an AR Facility with PNC Bank, National Association ("PNC") to accelerate cash flows from trade accounts receivable. On October 1, 2024, the Company renewed the AR Facility for a three-year term expiring in October 2027. The maximum purchase commitment by PNC was $160.0 million, as amended in February 2025.

The total outstanding balance of trade receivables that have been sold and derecognized by the SPE was $160.0 million as of March 31, 2026 and December 31, 2025. The SPE owned $57.9 million and $47.5 million of trade receivables as of March 31, 2026 and December 31, 2025, respectively, which is included in the caption Trade accounts receivable, net, on the Condensed Consolidated Balance Sheets.

No proceeds were received from the AR Facility during the three months ended March 31, 2026. The Company received proceeds of $10.0 million during the three months ended March 31, 2025.

Factoring Arrangements

The Company maintains factoring arrangements with a financial institution to sell certain accounts receivable that are also accounted for as a sale of financial assets. The following table reflects balances for net amounts sold and program capacities for the arrangements:


(In millions)	March 31 2026		December 31 2025
Net amounts sold under factoring arrangements	$	20.0	$	16.4
Program capacities	20.6		21.1

Accounts, Notes, Loans and Financing Receivable [Line Items]

Trade Accounts Receivables and Other Receivables

Trade Accounts Receivables and Other receivables

Accounts receivable consist of the following:


(In thousands)	March 31 2026		December 31 2025
Trade accounts receivable	$	237,688	$	229,687
Less: Allowance for expected credit losses	(9,567)		(9,624)
Trade accounts receivable, net	228,121		220,063
Other receivables (a)	$	93,272	$	88,024

(a)Other receivables include receivables held for the AR securitization purchased from the Enviri Clean Earth segment, employee receivables, insurance receivable, tax claims and refunds and other miscellaneous items not included in Trade accounts receivable, net.

The change in provision for expected credit losses related to trade accounts receivable was as follows:


	Three Months Ended
	March 31
(In thousands)	2026		2025
Change in provision for expected credit losses	$	90	$	106

At March 31, 2026, $7.5 million of New Enviri's trade accounts receivable were past due by twelve months or more, with $5.7 million of this amount reserved.

Accounts Receivable Securitization Facility

In June 2022, New Enviri and its SPE entered into an AR Facility with PNC Bank, National Association ("PNC") to accelerate cash flows from trade accounts receivable. On October 1, 2024, New Enviri renewed the AR Facility for a three-year term expiring in October 2027. The maximum purchase commitment by PNC was $160.0 million, as amended in February 2025.

The total outstanding balance of trade receivables that have been sold and derecognized by the SPE was $160.0 million as of March 31, 2026 and December 31, 2025, respectively. The SPE owned $57.9 million and $47.5 million of trade receivables as of March 31, 2026 and December 31, 2025, respectively, which are included in the caption Other receivables, on the unaudited Condensed Combined Balance Sheets.

No proceeds were received from the AR Facility during the three months ended March 31, 2026. New Enviri received proceeds of $10.0 million during the three months ended March 31, 2025.

Historically, the Clean Earth segment of Enviri participated in the AR Facility and transferred Clean Earth trade receivables to the SPE. This arrangement was captured using various intercompany transactions. As Clean Earth is not a segment within New Enviri, a related party relationship exists between the businesses. Related party notes payables at March 31, 2026 and December 31, 2025 were approximately $189.0 million and $182.1 million, respectively. See Note 17, Relationship with Parent and Related Entities footnote for additional information.

Factoring Arrangements

New Enviri maintains factoring arrangements with a financial institution to sell certain accounts receivable that are also accounted for as a sale of financial assets. The following table reflects balances for net amounts sold and program capacities for the arrangements:


(In millions)	March 31 2026		December 31 2025
Net amounts sold under factoring arrangements	$	20.0	$	16.4
Program capacities	20.6		21.1

Derivative Instruments, Hedging Activities and Fair Value - Derivatives Designated as Hedging Instruments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Derivative [Line Items]
Total revenues	$ 549,803	$ 547,907
Interest expense	(27,833)	(26,574)
Gain (loss) reclassified from AOCI into income	871	(75)
Product Revenues
Derivative [Line Items]
Total revenues	65,778	71,444
Gain (loss) reclassified from AOCI into income	422	(192)
Fair Value of Derivatives Designated as Hedging Instruments
Derivative [Line Items]
Interest expense	(27,833)	(26,574)
Interest Expense \| Interest rate swaps
Derivative [Line Items]
Gain (loss) reclassified from AOCI into income	449	117
Interest Expense \| Foreign exchange contracts
Derivative [Line Items]
Gain (loss) reclassified from AOCI into income	$ 0	$ 0

Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense.

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Recently Adopted and Recently Issued Accounting Standards - New Enviri	3 Months Ended
	Mar. 31, 2026
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Recently Adopted and Recently Issued Accounting Standards	Recently Adopted and Recently Issued Accounting Standards The following accounting standards were adopted during the three months ended March 31, 2026: The Company adopted a change issued by the FASB that provides an optional practical expedient for estimating future credit losses on current accounts receivable and current contract assets that arise from certain contracts with customers. The adoption of this change did not have a material impact on the Company's financial statements. The Company adopted changes issued by the FASB, which required greater disaggregation of income tax disclosures, related to the income tax rate reconciliation and income taxes paid for each annual reporting period. The Company applied the new disclosure requirements prospectively to its annual report for the year ended December 31, 2025.The adoption of these changes did not have a material impact on the Company's consolidated financial statements. The following accounting standards have been issued and become effective for the Company at a future date: In December 2025, the FASB issued an update that provides authoritative guidance on the recognition, measurement and presentation of government grants received by business entities. This update defines government grants and establishes recognition criteria and disclosure requirements. This update becomes effective starting with the Company's annual financial statements for the year ended December 31, 2028 and includes the interim periods within each annual reporting period. Early adoption is permitted. The Company is currently evaluating the impact that this update will have on the Company's financial statements. In November 2024, the FASB issued changes which require disaggregated disclosure of income statement expenses within the footnotes to the financial statement for each interim and annual reporting period. The changes become effective starting with the Company's annual financial statements for the year ended December 31, 2027 and will be in effect for the Company's interim financial statements after December 31, 2027. The guidance should be applied on a prospective basis with the option to apply the standard retrospectively. Early adoption is permitted. The Company is currently evaluating the impact that this change will have on the Company's disclosures.
New Enviri
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Recently Adopted and Recently Issued Accounting Standards	Recently Adopted and Recently Issued Accounting Standards The following accounting standards were adopted during the three months ended March 31, 2026: New Enviri adopted a change issued by the FASB that provides an optional practical expedient for estimating future credit losses on current accounts receivable and current contract assets that arise from certain contracts with customers. The adoption of this change did not have a material impact on New Enviri's financial statements. New Enviri adopted changes issued by the FASB, which required greater disaggregation of income tax disclosures, related to the income tax rate reconciliation and income taxes paid for each annual reporting period. New Enviri applied the new disclosure requirements prospectively to its audited combined financial statements in the Information Statement for the year ended December 31, 2025.The adoption of these changes did not have a material impact on New Enviri’s combined financial statements. The following accounting standards have been issued and become effective for New Enviri at a future date: In December 2025, the FASB issued an update that provides authoritative guidance on the recognition, measurement and presentation of government grants received by business entities. This update defines government grants and establishes recognition criteria and disclosure requirements. This update becomes effective starting with New Enviri's annual financial statements for the year ended December 31, 2028 and includes the interim periods within each annual reporting period. Early adoption is permitted. New Enviri is currently evaluating the impact that this update will have on New Enviri's financial statements. In November 2024, the FASB issued changes which require disaggregated disclosure of income statement expenses within the footnotes to the financial statement for each interim and annual reporting period. The changes become effective starting with New Enviri's annual financial statements for the year ended December 31, 2027 and will be in effect for New Enviri's interim financial statements after December 31, 2027. The guidance should be applied on a prospective basis with the option to apply the standard retrospectively. Early adoption is permitted. New Enviri is currently evaluating the impact that this change will have on its disclosures.

The entire disclosure for change in accounting principle. Includes, but is not limited to, nature, reason, and method of adopting amendment to accounting standards or other change in accounting principle.

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Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]

Revenues - New Enviri (Tables)

3 Months Ended

Mar. 31, 2026

Summary of revenues by primary geographical markets

A summary of the Company's revenues by primary geographical markets as well as by key product and service groups is as follows:



	Three Months Ended
	March 31, 2026
(In thousands)	Harsco Environmental		Clean Earth		Harsco Rail		Consolidated Totals
Primary Geographical Markets (a):
North America	$	59,098	$	225,755	$	39,618	$	324,471
Western Europe	96,439		—		21,886		118,325
Latin America (b)	40,553		—		1,622		42,175
Asia-Pacific	30,357		—		4,160		34,517
Middle East and Africa	25,488		—		45		25,533
Eastern Europe	4,782		—		—		4,782
Total Revenues	$	256,717	$	225,755	$	67,331	$	549,803
Key Product and Service Groups:
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	240,425	$	—	$	—	$	240,425
Ecoproducts	12,213		—		—		12,213
Environmental systems for aluminum dross and scrap processing	4,079		—		—		4,079
Railway track maintenance equipment	—		—		20,703		20,703
After-market parts and services; safety and diagnostic technology	—		—		28,955		28,955
Railway contracting services	—		—		17,673		17,673
Hazardous waste processing solutions	—		188,807		—		188,807
Soil and dredged materials processing and reuse solutions	—		36,948		—		36,948
Total Revenues	$	256,717	$	225,755	$	67,331	$	549,803



	Three Months Ended
	March 31, 2025
(In thousands)	Harsco Environmental		Clean Earth		Harsco Rail		Consolidated Totals
Primary Geographical Markets (a):
North America	$	55,226	$	234,854	$	36,976	$	327,056
Western Europe	97,644		—		27,224		124,868
Latin America (b)	32,124		—		1,800		33,924
Asia-Pacific	28,564		—		3,947		32,511
Middle East and Africa	25,349		—		—		25,349
Eastern Europe	4,199		—		—		4,199
Total Revenues	$	243,106	$	234,854	$	69,947	$	547,907


Key Product and Service Groups:
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	227,205	$	—	$	—	$	227,205
Ecoproducts	10,692		—		—		10,692
Environmental systems for aluminum dross and scrap processing	5,209		—		—		5,209
Railway track maintenance equipment	—		—		33,068		33,068
After-market parts and services; safety and diagnostic technology	—		—		22,915		22,915
Railway contracting services	—		—		13,964		13,964
Hazardous waste processing solutions	—		197,594		—		197,594
Soil and dredged materials processing and reuse solutions	—		37,260		—		37,260
Total Revenues	$	243,106	$	234,854	$	69,947	$	547,907

(a) Revenues are attributed to individual countries based on the location of the facility generating the revenue.

(b) Includes Mexico.

Schedule of unsatisfied performance obligations


(In thousands)	Harsco Environmental		Harsco Rail
2027	$	15,784	$	42,885
2028	13,655		35,856
2029	10,127		13,354
2030	3,132		4,324
2031	3,132		3,508
Thereafter	3,132		9,063
Total remaining performance obligations	$	48,962	$	108,990

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]

Summary of revenues by primary geographical markets

A summary of New Enviri's revenues by primary geographical markets as well as by key product and service groups is as follows:


	Three Months Ended
	March 31, 2026
(In thousands)	Harsco Environmental		Harsco Rail		Combined Totals
Primary Geographical Markets (a):
North America	$	59,098	$	39,618	$	98,716
Western Europe	96,439		21,886		118,325
Latin America (b)	40,553		1,622		42,175
Asia-Pacific	30,357		4,160		34,517
Middle East and Africa	25,488		45		25,533
Eastern Europe	4,782		—		4,782
Total Revenues	$	256,717	$	67,331	$	324,048
Key Product and Service Groups:
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	240,425	$	—	$	240,425
Ecoproducts	12,213		—		12,213
Environmental systems for aluminum dross and scrap processing	4,079		—		4,079
Railway track maintenance equipment	—		20,703		20,703
After-market parts and services; safety and diagnostic technology	—		28,955		28,955
Railway contracting services	—		17,673		17,673
Total Revenues	$	256,717	$	67,331	$	324,048


	Three Months Ended
	March 31, 2025
(In thousands)	Harsco Environmental		Harsco Rail		Combined Totals
Primary Geographical Markets (a):
North America	$	55,226	$	36,976	$	92,202
Western Europe	97,644		27,224		124,868
Latin America (b)	32,124		1,800		33,924
Asia-Pacific	28,564		3,947		32,511
Middle East and Africa	25,349		—		25,349
Eastern Europe	4,199		—		4,199
Total Revenues	$	243,106	$	69,947	$	313,053
Key Product and Service Groups:
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	227,205	$	—	$	227,205
Ecoproducts	10,692		—		10,692
Environmental systems for aluminum dross and scrap processing	5,209		—		5,209
Railway track maintenance equipment	—		33,068		33,068
After-market parts and services; safety and diagnostic technology	—		22,915		22,915
Railway contracting services	—		13,964		13,964
Total Revenues	$	243,106	$	69,947	$	313,053

(a)Revenues are attributed to individual countries based on the location of the facility generating the revenue.

(b) Includes Mexico.

Schedule of unsatisfied performance obligations


(In thousands)	Harsco Environmental		Harsco Rail
2027	$	15,784	$	42,885
2028	13,655		35,856
2029	10,127		13,354
2030	3,132		4,324
2031	3,132		3,508
Thereafter	3,132		9,063
Total remaining performance obligations	$	48,962	$	108,990

Other Expense (Income), Net - New Enviri (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Disaggregation of Income Statement Expense, Caption [Line Items]
Employee termination benefit costs	$ 745	$ 2,518
Other costs for exit activities	12,334	1,958
Asset impairments	0	583
Net gains on sale of assets	(218)	(768)
Other expense (income), net	12,861	4,291
New Enviri
Disaggregation of Income Statement Expense, Caption [Line Items]
Employee termination benefit costs	670	2,438
Other costs for exit activities	12,270	1,958
Asset impairments	0	583
Net gains on sale of assets	(218)	(768)
Other expense (income), net	$ 12,722	$ 4,211

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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-URI https://asc.fasb.org/1943274/2147476148/220-40-50-6

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Components of Accumulated Other Comprehensive Loss

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - New Enviri (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Revenues from continuing operations:
Total revenues	$ 549,803	$ 547,907
Costs and expenses from continuing operations:
Selling, general and administrative expenses	91,456	89,108
Research and development expenses	465	467
Other expense (income), net	12,861	4,291
Total costs and expenses	549,010	518,646
Operating income (loss) from continuing operations	793	29,261
Interest income	473	454
Interest expense	(27,833)	(26,574)
Facility fees and debt-related income (expense)	(2,294)	(2,612)
Defined benefit pension income (expense)	(3,936)	(5,201)
Income (loss) from continuing operations before income taxes and equity in income	(32,797)	(4,672)
Income tax benefit (expense) from continuing operations	24,387	(2,001)
Equity in income (loss) of unconsolidated entities, net	23	28
Income (loss) from continuing operations	(8,387)	(6,645)
Discontinued operations:
Income (loss) from discontinued businesses	(1,558)	(1,579)
Income tax benefit (expense) from discontinued businesses	407	412
Income (loss) from discontinued operations, net of tax	(1,151)	(1,167)
Net income (loss)	(9,538)	(7,812)
Less: Net loss (income) attributable to noncontrolling interests	(1,127)	(1,201)
Net income (loss) attributable to Enviri Corporation	(10,665)	(9,013)
Amounts attributable to New Enviri:
Income (loss) from continuing operations, net of tax	(9,514)	(7,846)
Income (loss) from discontinued operations, net of tax	(1,151)	(1,167)
Net income (loss) attributable to Enviri Corporation	(10,665)	(9,013)
New Enviri
Revenues from continuing operations:
Total revenues	324,048	313,053
Costs and expenses from continuing operations:
Selling, general and administrative expenses	44,591	43,188
Research and development expenses	417	534
Other expense (income), net	12,722	4,211
Total costs and expenses	333,181	299,122
Operating income (loss) from continuing operations	(9,133)	13,931
Interest income	458	454
Interest expense	(26,687)	(25,486)
Facility fees and debt-related income (expense)	(2,294)	(2,612)
Defined benefit pension income (expense)	(3,937)	(5,193)
Income (loss) from continuing operations before income taxes and equity in income	(41,593)	(18,906)
Income tax benefit (expense) from continuing operations	(5,436)	(3,342)
Equity in income (loss) of unconsolidated entities, net	23	28
Income (loss) from continuing operations	(47,006)	(22,220)
Discontinued operations:
Income (loss) from discontinued businesses	(1,558)	(1,579)
Income tax benefit (expense) from discontinued businesses	0	0
Income (loss) from discontinued operations, net of tax	(1,558)	(1,579)
Net income (loss)	(48,564)	(23,799)
Less: Net loss (income) attributable to noncontrolling interests	(1,127)	(1,201)
Net income (loss) attributable to Enviri Corporation	(49,691)	(25,000)
Amounts attributable to New Enviri:
Income (loss) from continuing operations, net of tax	(48,133)	(23,421)
Income (loss) from discontinued operations, net of tax	(1,558)	(1,579)
Net income (loss) attributable to Enviri Corporation	(49,691)	(25,000)
Service Revenues
Revenues from continuing operations:
Total revenues	484,025	476,463
Costs and expenses from continuing operations:
Cost of services and products sold	381,964	372,402
Service Revenues \| New Enviri
Revenues from continuing operations:
Total revenues	258,270	241,609
Costs and expenses from continuing operations:
Cost of services and products sold	213,187	198,811
Product Revenues
Revenues from continuing operations:
Total revenues	65,778	71,444
Costs and expenses from continuing operations:
Cost of services and products sold	62,264	52,378
Product Revenues \| New Enviri
Revenues from continuing operations:
Total revenues	65,778	71,444
Costs and expenses from continuing operations:
Cost of services and products sold	$ 62,264	$ 52,378

Components of Accumulated Other Comprehensive Loss

3 Months Ended

Mar. 31, 2026

Equity [Abstract]

Components of Accumulated Other Comprehensive Loss*

AOCI is included on the Condensed Consolidated Statements of Equity. The components of AOCI, net of the effect of income taxes, and activity for the three months ended March 31, 2026 and 2025, were as follows:


	Components of AOCI, Net of Tax
(In thousands)	Cumulative Foreign Exchange Translation Adjustments		Effective Portion of Derivatives Designated as Hedging Instruments		Cumulative Unrecognized Actuarial Losses on Pension Obligations		Unrealized Gain (Loss) on Marketable Securities		Total
Balance at December 31, 2025	$	(199,071)	$	15	$	(315,450)	$	25	$	(514,481)

OCI before reclassifications (a)(b)	(6,378)		1,912		5,493		—		1,027
Amounts reclassified from AOCI, net of tax	—		(656)		4,417		—		3,761



Total OCI	(6,378)		1,256		9,910		—		4,788
Less: OCI attributable to noncontrolling interests	(80)		—		—		—		(80)
OCI attributable to Enviri Corporation	(6,458)		1,256		9,910		—		4,708
Balance at March 31, 2026	$	(205,529)	$	1,271	$	(305,540)	$	25	$	(509,773)


	Components of AOCI, Net of Tax
	Cumulative Foreign Exchange Translation Adjustments	Effective Portion of Derivatives Designated as Hedging Instruments	Cumulative Unrecognized Actuarial Losses on Pension Obligations	Unrealized Gain (Loss) on Marketable Securities	Total
Balance at December 31, 2024	(229,257)	3,769	(311,919)	22	(537,385)
OCI before reclassifications (a)(b)	15,101	(2,824)	(8,580)	(2)	3,695
Amounts reclassified from AOCI, net of tax	—	27	4,392	—	4,419
Total OCI	15,101	(2,797)	(4,188)	(2)	8,114
Less: OCI attributable to noncontrolling interests	(367)	—	—	—	(367)
OCI attributable to Enviri Corporation	14,734	(2,797)	(4,188)	(2)	7,747
Balance at March 31, 2025	(214,523)	972	(316,107)	20	(529,638)

(a) The cumulative amounts from foreign exchange translation and unrecognized actuarial losses on pension obligations are principally from foreign currency fluctuation.

(b) The amounts related to the effective portion of derivatives designated as hedge instruments are due to the net change from periodic revaluations.

Amounts reclassified from AOCI were as follows:


(In thousands)	Three Months Ended			Location on the Condensed Consolidated Statements of Operations
	March 31
		2026				2025



Amortization of cash flow hedging instruments:
Foreign currency exchange forward contracts		$	(422)	$	192	Product revenues



Interest rate swaps		(449)		(117)		Interest expense

Total before income taxes		(871)		75
Income taxes		215		(48)
Total reclassification of cash flow hedging instruments, net of tax		$	(656)	$	27

Amortization of defined benefit pension items (c):
Actuarial losses		$	4,505	$	4,483	Defined benefit pension income (expense)
Prior service costs		108		113		Defined benefit pension income (expense)



Total before income taxes		4,613		4,596
Income taxes		(196)		(204)
Total reclassification of defined benefit pension items, net of tax		$	4,417	$	4,392

(c) These AOCI components are included in the computation of net periodic pension costs. See Note 9, Employee Benefit Plans, for additional details.

Goodwill and Other Intangible Assets - New Enviri

3 Months Ended

Mar. 31, 2026

Goodwill by segment

Goodwill and Other Intangible Assets

The Company tests for goodwill impairment annually, or more frequently if indicators of impairment exist, or if a decision is made to dispose of a business. The Company performs its annual goodwill impairment test as of October 1 and monitors for triggering events on an ongoing basis.

During the three months ended March 31, 2026, the Company determined that there were no events or indicators present that would indicate that it was more-likely-than-not that its reporting units' fair values were less than their carrying amounts, which would require a further interim impairment analysis. However, unfavorable economic conditions, including tariffs and continued cost inflation, could impact the Company's future projected cash flows and discount rates used to estimate fair value, which could result in an impairment charge to any of the Company's reporting units in a future period.

Goodwill and Other Intangible Assets

Goodwill by segment

New Enviri tests for goodwill impairment annually, or more frequently if indicators of impairment exist, or if a decision is made to dispose of a business. New Enviri performs its annual goodwill impairment test as of October 1 and monitors for triggering events on an ongoing basis.

During the three months ended March 31, 2026, New Enviri determined that there were no events or indicators present that would indicate that it was more-likely-than-not that its reporting units' fair values were less than their carrying amounts, which would require a further interim impairment analysis. However, unfavorable economic conditions, including tariffs and continued cost inflation, could impact the New Enviri's future projected cash flows and discount rates used to estimate fair value, which could result in an impairment charge to any of the New Enviri's reporting units in a future period.

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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-URI https://asc.fasb.org/1943274/2147482573/350-20-50-1A

Derivative Instruments, Hedging Activities and Fair Value - Narrative - New Enviri (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	Dec. 31, 2025	Mar. 31, 2026	Mar. 31, 2025
Foreign Currency Derivatives
Net asset (liability) offset against collateral	$ (0.3)	$ 1.2
Pre-tax net gains (losses) on certain loans designated as hedges of net investments in foreign subsidiaries		0.1	$ (0.6)
Long-term debt, fair value	1,566.4	1,588.3
Foreign currency exchange forward contracts
Foreign Currency Derivatives
Derivative, Notional Amount	639.0	614.3
Term Loan
Foreign Currency Derivatives
Principal amount	$ 300.0
Term Loan \| Term Loan Facility, Fixed-Rate \| Minimum
Foreign Currency Derivatives
Variable rate basis spread (as a percent)	3.06%
Term Loan \| Term Loan Facility, Fixed-Rate \| Maximum
Foreign Currency Derivatives
Variable rate basis spread (as a percent)	3.12%
Reported Value Measurement
Foreign Currency Derivatives
Long-term Debt	$ 1,567.0	1,592.4
New Enviri
Foreign Currency Derivatives
Net asset (liability) offset against collateral	0.3	1.2
Pre-tax net gains (losses) on certain loans designated as hedges of net investments in foreign subsidiaries		0.1	$ 0.6
Long-term debt, fair value	1,504.7	1,528.7
New Enviri \| Foreign currency exchange forward contracts
Foreign Currency Derivatives
Derivative, Notional Amount	639.0	614.3
New Enviri \| Term Loan
Foreign Currency Derivatives
Principal amount	$ 300.0
New Enviri \| Term Loan \| Term Loan Facility, Fixed-Rate \| Minimum
Foreign Currency Derivatives
Variable rate basis spread (as a percent)	3.06%
New Enviri \| Term Loan \| Term Loan Facility, Fixed-Rate \| Maximum
Foreign Currency Derivatives
Variable rate basis spread (as a percent)	3.12%
New Enviri \| Reported Value Measurement
Foreign Currency Derivatives
Long-term Debt	$ 1,505.3	$ 1,532.9

Derivative Instruments, Hedging Activities and Fair Value - New Enviri

3 Months Ended

Mar. 31, 2026

Derivative Instruments, Hedging Activities and Fair Value

Derivative Instruments and Hedging Activities

The Company uses derivative instruments, including foreign currency exchange forward contracts and interest rate swaps, to manage certain foreign currency and interest rate exposures. Derivative instruments are viewed as risk management tools by the Company and are not used for trading or speculative purposes. All derivative instruments are recorded on the Company's Condensed Consolidated Balance Sheets at fair value. The accounting for changes in the fair value of derivatives depends on the intended use of the derivative, whether the Company has elected to designate a derivative in a hedging relationship and apply hedge accounting and whether the hedging relationship has satisfied the criteria necessary to apply hedge accounting. Derivatives designated and qualifying as a hedge of the exposure to variability in expected future cash flows, or other types of forecasted transactions, are considered cash flow hedges. Hedge accounting generally provides for the matching of the timing of gain or loss recognition on the hedging instrument with the recognition of the earnings effect of the hedged forecasted transactions in a cash flow hedge. The Company may enter into derivative contracts that are intended to economically hedge certain of its risks, even though hedge accounting does not apply or the Company elects not to apply hedge accounting.

The Company primarily applies the market approach for recurring fair value measurements and endeavors to utilize the best available information. Accordingly, the Company utilizes valuation techniques that maximize the use of observable inputs, such as forward rates, interest rates, the Company’s credit risk and counterparties’ credit risks, and which minimize the use of unobservable inputs. The Company is able to classify fair value balances based on the ability to observe those inputs. Foreign currency exchange forward contracts and interest rate swaps are based upon pricing models using market-based inputs (Level 2). Model inputs can be verified and valuation techniques do not involve significant management judgment.

The fair value of outstanding derivative contracts recorded as assets and liabilities on the Company's Condensed Consolidated Balance Sheets was as follows:


(In thousands)	Balance Sheet Location	Fair Value of Derivatives Designated as Hedging Instruments		Fair Value of Derivatives Not Designated as Hedging Instruments		Total Fair Value
March 31, 2026
Asset derivatives (Level 2):
Foreign currency exchange forward contracts	Other current assets	$	168	$	5,182	$	5,350
Interest rate swaps	Other current assets	1,661		—		1,661
Interest rate swaps	Other assets	1,162		—		1,162
Total		$	2,991	$	5,182	$	8,173

Liability derivatives (Level 2):
Foreign currency exchange forward contracts	Derivative liabilities	$	495	$	13,627	$	14,122


Total		$	495	$	13,627	$	14,122

December 31, 2025
Asset derivatives (Level 2):
Foreign currency exchange forward contracts	Other current assets	$	36	$	1,340	$	1,376


Interest rate swaps	Other current assets	887		—		887
Interest rate swaps	Other assets	313		—		$	313
Total		$	1,236	$	1,340	$	2,576

Liability derivatives (Level 2):
Foreign currency exchange forward contracts	Derivative liabilities	$	861	$	19,978	$	20,839


Total		$	861	$	19,978	$	20,839

All of the Company's derivatives are recorded on the Condensed Consolidated Balance Sheets at gross amounts and do not offset. All of the Company's interest rate swaps and certain foreign currency exchange forward contracts are transacted under ISDA documentation. Each ISDA master agreement permits the net settlement of amounts owed in the event of default. The Company's derivative assets and liabilities subject to enforceable master netting arrangements, if offset, would have resulted in a net asset of $1.2 million at March 31, 2026 and a $0.3 million net liability at December 31, 2025.

The effect of derivative instruments on the Company's Condensed Consolidated Statements of Comprehensive Income (Loss) was as follows:

Derivatives Designated as Hedging Instruments



	Gain (Loss) Recognized in OCI on Derivatives				Loss (Gain) Reclassified from AOCI into Income - Effective Portion or Equity
	Three Months Ended				Three Months Ended
	March 31				March 31
(In thousands)	2026		2025		2026		2025
Foreign currency exchange forward contracts	$	491	$	(871)	$	(422)	$	192
Interest rate swaps	2,072		(2,784)		(449)		(117)

	$	2,563	$	(3,655)	$	(871)	$	75

The locations and amounts of gain (loss) recognized on the Company's Condensed Consolidated Statements of Operations was as follows:



	Three Months Ended
	March 31
	2026				2025
(In thousands)	Product Revenues		Interest Expense			Product Revenues		Interest Expense
Total amounts in the Condensed Consolidated Statement of Operations in which the effects of derivatives designated as hedging instruments are recorded	$	65,778	$	(27,833)		$	71,444	$	(26,574)
Interest rate swaps:
Gain (loss) reclassified from AOCI into income	—		449			—		117

Foreign exchange contracts:
Gain (loss) reclassified from AOCI into income	422		—			(192)		—

Derivatives Not Designated as Hedging Instruments


	Location of Gain (Loss) Recognized in Income on Derivatives (a)		Amount of Gain (Loss) Recognized in Income on Derivatives (a)
		Three Months Ended
		March 31
(In thousands)			2026		2025

Foreign currency exchange forward contracts	Cost of services and products sold		$	11,486	$	(15,156)

(a) These gains (losses) offset other amounts recognized in cost of services and products sold principally as a result of intercompany or third party foreign currency exposures.

Foreign Currency Exchange Forward Contracts

The Company conducts business in multiple currencies and, accordingly, is subject to the inherent risks associated with foreign exchange rate movements. Foreign currency-denominated assets and liabilities are translated into U.S. dollars at the exchange rates existing at the respective balance sheet dates, and income and expense items are translated at the average exchange rates during the respective periods.

The Company uses derivative instruments to hedge cash flows related to foreign currency fluctuations. Foreign currency exchange forward contracts outstanding are part of a worldwide program to minimize foreign currency exchange operating income and balance sheet exposure by offsetting foreign currency exposures of certain future payments between the Company and various subsidiaries, suppliers or customers. The unsecured contracts are with major financial institutions. The Company may be exposed to credit loss in the event of non-performance by the contract counterparties. The Company evaluates the creditworthiness of the counterparties and does not expect default by them. Foreign currency exchange forward contracts are used to hedge commitments, such as foreign currency debt, firm purchase commitments and foreign currency cash flows for certain export sales transactions.

Changes in the fair value of derivatives used to hedge foreign currency denominated balance sheet items are reported directly in earnings, along with offsetting transaction gains and losses on the items being hedged. Derivatives used to hedge forecasted cash flows associated with foreign currency commitments may be accounted for as cash flow hedges, as deemed appropriate, if the criteria for hedge accounting are met. Gains and losses on derivatives designated as cash flow hedges are deferred in AOCI, a separate component of equity, and reclassified to earnings in a manner that matches the timing of the earnings impact of the hedged transactions. The ineffective portion of all hedges, if any, is recognized currently in earnings.

The recognized gains and losses offset amounts recognized in cost of services and products sold principally as a result of intercompany or third-party foreign currency exposures. At March 31, 2026 and December 31, 2025, the notional amounts of foreign currency exchange forward contracts were $614.3 million and $639.0 million, respectively. These contracts are primarily denominated in British Pound Sterling and Euros and mature through October 2027.

In addition to foreign currency exchange forward contracts, the Company designates certain loans as hedges of net investments in international subsidiaries. The Company recorded a pre-tax net gain of $0.1 million for the three months ended March 31, 2026, and a pre-tax net loss of $0.6 million for the three months ended March 31, 2025 in OCI.

Interest Rate Swaps

The Company uses interest rate swaps in conjunction with certain variable rate debt issuances in order to secure a fixed interest rate. Changes in the fair value attributed to the effect of the swaps’ interest spread and changes in the credit worthiness of the counter-parties are recorded in OCI.

The Company has entered into a series of interest rate swaps that have been effective since December 2025 and are scheduled to mature in March 2028. These forward swaps have the effect of converting $300.0 million under the Term Loan from a floating interest rate to a fixed interest rate and are classified as cash flow hedges. These swaps provide fixed interest rates that range from 3.06% to 3.12% and replace the adjusted SOFR rate in the interest calculation.

Fair Value of Other Financial Instruments

The carrying amounts of cash and cash equivalents, accounts receivable, accounts payable, accrued liabilities and short-term borrowings approximate fair value due to the short-term maturities of these assets and liabilities. At March 31, 2026 and December 31, 2025, the total fair value of long-term debt and current maturities, excluding deferred financing costs, was $1,588.3 million and $1,566.4 million, respectively, compared with a carrying value of $1,592.4 million and $1,567.0 million, respectively. Fair values for debt are based on pricing models using market-based inputs (Level 2) for similar issues or on the current rates offered to the Company for debt of the same remaining maturities.

Derivative Instruments, Hedging Activities and Fair Value

Derivative Instruments and Hedging Activities

New Enviri uses derivative instruments, including foreign currency exchange forward contracts and interest rate swaps to manage certain foreign currency and interest rate exposures. Derivative instruments are viewed as risk management tools by New Enviri and are not used for trading or speculative purposes. All derivative instruments are recorded on New Enviri's Condensed Combined Balance Sheets at fair value. The accounting for changes in the fair value of derivatives depends on the intended use of the derivative, whether New Enviri has elected to designate a derivative in a hedging relationship and apply hedge accounting and whether the hedging relationship has satisfied the criteria necessary to apply hedge accounting. Derivatives designated and qualifying as a hedge of the exposure to variability in expected future cash flows, or other types of forecasted transactions, are considered cash flow hedges. Hedge accounting generally provides for the matching of the timing of gain or loss recognition on the hedging instrument with the recognition of the earnings effect of the hedged forecasted transactions in a cash flow hedge. New Enviri may enter into derivative contracts that are intended to economically hedge certain of its risks, even though hedge accounting does not apply or New Enviri elects not to apply hedge accounting.

New Enviri primarily applies the market approach for recurring fair value measurements and endeavors to utilize the best available information. Accordingly, New Enviri utilizes valuation techniques that maximize the use of observable inputs, such as forward rates, interest rates, New Enviri’s credit risk and counterparties’ credit risks, and which minimize the use of unobservable inputs. New Enviri is able to classify fair value balances based on the ability to observe those inputs. Foreign currency exchange forward contracts and interest rate swaps are based upon pricing models using market-based inputs (Level 2). Model inputs can be verified and valuation techniques do not involve significant management judgment.

The fair value of outstanding derivative contracts recorded as assets and liabilities on New Enviri's Condensed Combined Balance Sheets was as follows:


(In thousands)	Balance Sheet Location	Fair Value of Derivatives Designated as Hedging Instruments		Fair Value of Derivatives Not Designated as Hedging Instruments		Total Fair Value
March 31, 2026
Asset derivatives (Level 2):
Foreign currency exchange forward contracts	Other current assets	$	168	$	5,182	$	5,350
Interest rate swaps	Other current assets	1,661		—		1,661
Interest rate swaps	Other assets	1,162		—		1,162
Total		$	2,991	$	5,182	$	8,173

Liability derivatives (Level 2):
Foreign currency exchange forward contracts	Derivative liabilities	$	495	$	13,627	$	14,122
Total		$	495	$	13,627	$	14,122

December 31, 2025
Asset derivatives (Level 2):
Foreign currency exchange forward contracts	Other current assets	$	36	$	1,340	$	1,376
Interest rate swaps	Other current assets	887		—		887
Interest rate swaps	Other assets	313		—		313
Total		$	1,236	$	1,340	$	2,576

Liability derivatives (Level 2):
Foreign currency exchange forward contracts	Derivative liabilities	$	861	$	19,978	$	20,839
Total		$	861	$	19,978	$	20,839

All of New Enviri's derivatives are recorded on the Condensed Combined Balance Sheets at gross amounts and do not offset. All of New Enviri's interest rate swaps and certain foreign currency exchange forward contracts are transacted under ISDA documentation. Each ISDA master agreement permits the net settlement of amounts owed in the event of default. New Enviri's derivative assets and liabilities are subject to enforceable master netting arrangements, which if offset, would have resulted in a net asset of $1.2 million at March 31, 2026 and a $0.3 million net liability at December 31, 2025.

The effect of derivative instruments on New Enviri's Condensed Combined Statements of Comprehensive Income (Loss) was as follows:

Derivatives Designated as Hedging Instruments


	Gain (Loss) Recognized in OCI on Derivatives				Loss (Gain) Reclassified from AOCI into Income - Effective Portion
	Three Months Ended				Three Months Ended
	March 31				March 31
(In thousands)	2026		2025		2026		2025
Foreign currency exchange forward contracts	$	491	$	(871)	$	(422)	$	192
Interest rate swaps	2,072		(2,784)		(449)		(117)
	$	2,563	$	(3,655)	$	(871)	$	75

The locations and amounts of gain (loss) recognized on New Enviri's Condensed Combined Statements of Operations was as follows:


	Three Months Ended
	March 31
	2026				2025
(In thousands)	Product Revenues		Interest Expense		Product Revenues		Interest Expense
Total amounts in the Condensed Combined Statement of Operations in which the effects of derivatives designated as hedging instruments are recorded	$	65,778	$	(26,687)	$	71,444	$	(25,486)
Interest rate swaps:
Gain (loss) reclassified from AOCI into income	—		449		—		117
Foreign exchange contracts:
Gain (loss) reclassified from AOCI into income	422		—		(192)		—

Derivatives Not Designated as Hedging Instruments


	Location of Gain (Loss) Recognized in Income on Derivatives (a)	Amount of Gain (Loss) Recognized in Income on Derivatives (a)
		Three Months Ended
		March 31
(In thousands)		2026		2025
Foreign currency exchange forward contracts	Cost of services and products sold	$	11,486	$	(15,156)

(a) These gains (losses) offset other amounts recognized in cost of services and products sold principally as a result of intercompany or third party foreign currency exposures.

Foreign Currency Exchange Forward Contracts

New Enviri conducts business in multiple currencies and, accordingly, is subject to the inherent risks associated with foreign exchange rate movements. Foreign currency-denominated assets and liabilities are translated into U.S. dollars at the exchange rates existing at the respective combined balance sheet dates, and income and expense items are translated at the average exchange rates during the respective periods.

New Enviri uses derivative instruments to hedge cash flows related to foreign currency fluctuations. Foreign currency exchange forward contracts outstanding are part of a worldwide program to minimize foreign currency exchange operating income and balance sheet exposure by offsetting foreign currency exposures of certain future payments between New Enviri and various subsidiaries, suppliers or customers. The unsecured contracts are with major financial institutions. New Enviri may be exposed to credit loss in the event of non-performance by the contract counterparties. New Enviri evaluates the creditworthiness of the counterparties and does not expect default by them. Foreign currency exchange forward contracts are used to hedge commitments, such as foreign currency debt, firm purchase commitments and foreign currency cash flows for certain export sales transactions.

In addition to foreign currency exchange forward contracts, New Enviri designates certain loans as hedges of net investments in international subsidiaries. New Enviri recorded a pre-tax net gain of $0.1 million for the three months ended March 31, 2026 and a pre-tax net loss of $0.6 million for the three months ended March 31, 2025 in OCI.

Interest Rate Swaps

New Enviri uses interest rate swaps in conjunction with certain variable rate debt issuances in order to secure a fixed interest rate. Changes in the fair value attributed to the effect of the swaps’ interest spread and changes in the credit worthiness of the counter-parties are recorded in OCI.

Fair Value of Other Financial Instruments

The carrying amounts of cash and cash equivalents, accounts receivable, accounts payable, accrued liabilities and short-term borrowings approximate fair value due to the short-term maturities of these assets and liabilities. At March 31, 2026 and December 31, 2025, the total fair value of long-term debt and current maturities, excluding deferred financing costs, was $1,528.7 million and $1,504.7 million, respectively, compared with a carrying value of $1,532.9 million and $1,505.3 million, respectively. Fair values for debt are based on pricing models using market-based inputs (Level 2) for similar issues or on the current rates offered to New Enviri for debt of the same remaining maturities.

Review of Operations by Segment

3 Months Ended

Mar. 31, 2026

Segment Reporting [Abstract]

Review of Operations by Segment

Review of Operations by Segment*



	Three Months Ended March 31, 2026
(in thousands)	Harsco Environmental	Clean Earth	Harsco Rail	Total Reportable Segments		Corporate	Total
Segment Profit and Loss:
Total revenues	256,717	225,755	67,331	$	549,803	—	$	549,803
Less:
Cost of services and products sold	218,007	168,860	57,972	444,839		—	444,839
Selling, general and administrative expenses	27,943	41,013	11,758	80,714		10,742	91,456




Other segment activities (a)	738	104	798	1,640		11,075	12,715

Operating income (loss) from continuing operations	10,029	15,778	(3,197)	$	22,610	(21,817)	$	793
Plus:
Interest income							473
Interest expense							(27,833)
Facility fees and debt-related income (expense)							(2,294)
Defined benefit pension income (expense)							(3,936)
Income (loss) from continuing operations before income taxes and equity in income							$	(32,797)

Other Segment Information:
Depreciation	27,896	11,103	1,196	$	40,195	233	$	40,428
Amortization (b)	572	5,938	285	$	6,795	1,049	$	7,844
Capital expenditures	17,407	14,423	1,768	$	33,598	129	$	33,727



	Three Months Ended March 31, 2025
(in thousands)	Harsco Environmental	Clean Earth	Harsco Rail	Total Reportable Segments		Corporate	Total
Segment Profit and Loss:
Total revenues	243,106	234,854	69,947	$	547,907	—	$	547,907
Less:
Cost of services and products sold	202,017	173,619	49,417	425,053		—	425,053
Selling, general and administrative expenses	26,628	38,962	11,582	77,172		11,936	89,108




Other segment activities (a)	4,388	(15)	1,810	6,183		(1,698)	4,485

Operating income (loss) from continuing operations	10,073	22,288	7,138	$	39,499	(10,238)	$	29,261
Plus:
Interest income							454
Interest expense							(26,574)
Facility fees and debt-related income (expense)							(2,612)
Defined benefit pension income (expense)							(5,201)
Income (loss) from continuing operations before income taxes and equity in income							$	(4,672)

Other Segment Information:
Depreciation	25,509	9,620	1,032	$	36,161	281	$	36,442
Amortization (b)	540	5,845	67	$	6,452	951	$	7,403
Capital expenditures	14,094	6,652	780	$	21,526	98	$	21,624

(b) Amortization expense in Corporate relates to the amortization of deferred financing costs.

Commitments and Contingencies Disclosure [Abstract]

Trade Accounts Receivables and Other Receivables - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Jun. 30, 2022	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025	Feb. 28, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable		$ 296,442		$ 278,488
Accounts receivable past due by twelve months or more		6,000
Greater than 12 months
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable		8,300
PNC
Accounts, Notes, Loans and Financing Receivable [Line Items]
AR facility term	3 years
Accounts receivable securitization, maximum purchase commitment					$ 160,000
Total outstanding trade receivables sold and derecognized		160,000		160,000
Accounts receivable from securitization		57,900		$ 47,500
Additional proceeds		$ 0	$ 10,000

Review of Operations by Segment - New Enviri (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Operations by segment
Number of reportable segments disclosed by definition flag	Total Reportable Segments
Total revenues	$ 549,803	$ 547,907
Selling, general and administrative expenses	91,456	89,108
Other segment activities	12,715	4,485
Operating income (loss) from continuing operations	793	29,261
Interest income	473	454
Interest expense	(27,833)	(26,574)
Facility fees and debt-related income (expense)	(2,294)	(2,612)
Defined benefit pension income (expense)	(3,936)	(5,201)
Income (loss) from continuing operations before income taxes and equity in income	(32,797)	(4,672)
Depreciation	40,428	36,442
Amortization	7,844	7,403
Capital expenditures	33,727	21,624
Service and Product
Operations by segment
Cost of services and products sold	444,839	425,053
Operating Segments
Operations by segment
Total revenues	549,803	547,907
Selling, general and administrative expenses	80,714	77,172
Other segment activities	1,640	6,183
Operating income (loss) from continuing operations	22,610	39,499
Depreciation	40,195	36,161
Amortization	6,795	6,452
Capital expenditures	33,598	21,526
Operating Segments \| Service and Product
Operations by segment
Cost of services and products sold	444,839	425,053
Operating Segments \| Harsco Environmental
Operations by segment
Total revenues	256,717	243,106
Selling, general and administrative expenses	27,943	26,628
Other segment activities	738	4,388
Operating income (loss) from continuing operations	10,029	10,073
Depreciation	27,896	25,509
Amortization	572	540
Capital expenditures	17,407	14,094
Operating Segments \| Harsco Environmental \| Service and Product
Operations by segment
Cost of services and products sold	218,007	202,017
Operating Segments \| Harsco Rail
Operations by segment
Total revenues	67,331	69,947
Selling, general and administrative expenses	11,758	11,582
Other segment activities	798	1,810
Operating income (loss) from continuing operations	(3,197)	7,138
Depreciation	1,196	1,032
Amortization	285	67
Capital expenditures	1,768	780
Operating Segments \| Harsco Rail \| Service and Product
Operations by segment
Cost of services and products sold	57,972	49,417
Corporate
Operations by segment
Total revenues	0	0
Selling, general and administrative expenses	10,742	11,936
Other segment activities	11,075	(1,698)
Operating income (loss) from continuing operations	(21,817)	(10,238)
Depreciation	233	281
Amortization	1,049	951
Capital expenditures	129	98
Corporate \| Service and Product
Operations by segment
Cost of services and products sold	$ 0	0
New Enviri
Operations by segment
Number of reportable segments disclosed by definition flag	Total Reportable Segments
Total revenues	$ 324,048	313,053
Selling, general and administrative expenses	44,591	43,188
Other segment activities	12,611	4,500
Operating income (loss) from continuing operations	(9,133)	13,931
Interest income	458	454
Interest expense	(26,687)	(25,486)
Facility fees and debt-related income (expense)	(2,294)	(2,612)
Defined benefit pension income (expense)	(3,937)	(5,193)
Income (loss) from continuing operations before income taxes and equity in income	(41,593)	(18,906)
Depreciation	29,325	26,822
Amortization	1,906	1,558
Capital expenditures	19,304	14,972
New Enviri \| Service and Product
Operations by segment
Cost of services and products sold	275,979	251,434
New Enviri \| Operating Segments
Operations by segment
Total revenues	324,048	313,053
Selling, general and administrative expenses	44,987	43,334
Other segment activities	1,536	6,198
Operating income (loss) from continuing operations	1,546	12,087
Depreciation	29,092	26,541
Amortization	857	607
Capital expenditures	19,175	14,874
New Enviri \| Operating Segments \| Service and Product
Operations by segment
Cost of services and products sold	275,979	251,434
New Enviri \| Operating Segments \| Harsco Environmental
Operations by segment
Total revenues	256,717	243,106
Selling, general and administrative expenses	31,968	30,598
Other segment activities	738	4,388
Operating income (loss) from continuing operations	6,004	6,103
Depreciation	27,896	25,509
Amortization	572	540
Capital expenditures	17,407	14,094
New Enviri \| Operating Segments \| Harsco Environmental \| Service and Product
Operations by segment
Cost of services and products sold	218,007	202,017
New Enviri \| Operating Segments \| Harsco Rail
Operations by segment
Total revenues	67,331	69,947
Selling, general and administrative expenses	13,019	12,736
Other segment activities	798	1,810
Operating income (loss) from continuing operations	(4,458)	5,984
Depreciation	1,196	1,032
Amortization	285	67
Capital expenditures	1,768	780
New Enviri \| Operating Segments \| Harsco Rail \| Service and Product
Operations by segment
Cost of services and products sold	57,972	49,417
New Enviri \| Corporate
Operations by segment
Total revenues	0	0
Selling, general and administrative expenses	(396)	(146)
Other segment activities	11,075	(1,698)
Operating income (loss) from continuing operations	(10,679)	1,844
Depreciation	233	281
Amortization	1,049	951
Capital expenditures	129	98
New Enviri \| Corporate \| Service and Product
Operations by segment
Cost of services and products sold	$ 0	$ 0

Commitment and Contingencies (Tables)

3 Months Ended

Mar. 31, 2026

Schedule of Loss Contingencies by Contingency

The following table summarizes information related to the location and undiscounted amount of the Company's environmental liabilities:


(In thousands)	March 31 2026		December 31 2025
Current portion of environmental liabilities (a)	$	12,573	$	12,736
Long-term environmental liabilities	38,019		38,256
Total environmental liabilities	$	50,592	$	50,992

(a) The current portion of environmental liabilities is included in the caption Other current liabilities on the Condensed Consolidated Balance Sheets.

Revenues (Tables)

3 Months Ended

Mar. 31, 2026

Revenue from Contract with Customer [Abstract]

Summary of revenues by primary geographical markets

A summary of the Company's revenues by primary geographical markets as well as by key product and service groups is as follows:



	Three Months Ended
	March 31, 2026
(In thousands)	Harsco Environmental		Clean Earth		Harsco Rail		Consolidated Totals
Primary Geographical Markets (a):
North America	$	59,098	$	225,755	$	39,618	$	324,471
Western Europe	96,439		—		21,886		118,325
Latin America (b)	40,553		—		1,622		42,175
Asia-Pacific	30,357		—		4,160		34,517
Middle East and Africa	25,488		—		45		25,533
Eastern Europe	4,782		—		—		4,782
Total Revenues	$	256,717	$	225,755	$	67,331	$	549,803
Key Product and Service Groups:
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	240,425	$	—	$	—	$	240,425
Ecoproducts	12,213		—		—		12,213
Environmental systems for aluminum dross and scrap processing	4,079		—		—		4,079
Railway track maintenance equipment	—		—		20,703		20,703
After-market parts and services; safety and diagnostic technology	—		—		28,955		28,955
Railway contracting services	—		—		17,673		17,673
Hazardous waste processing solutions	—		188,807		—		188,807
Soil and dredged materials processing and reuse solutions	—		36,948		—		36,948
Total Revenues	$	256,717	$	225,755	$	67,331	$	549,803



	Three Months Ended
	March 31, 2025
(In thousands)	Harsco Environmental		Clean Earth		Harsco Rail		Consolidated Totals
Primary Geographical Markets (a):
North America	$	55,226	$	234,854	$	36,976	$	327,056
Western Europe	97,644		—		27,224		124,868
Latin America (b)	32,124		—		1,800		33,924
Asia-Pacific	28,564		—		3,947		32,511
Middle East and Africa	25,349		—		—		25,349
Eastern Europe	4,199		—		—		4,199
Total Revenues	$	243,106	$	234,854	$	69,947	$	547,907


Key Product and Service Groups:
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	227,205	$	—	$	—	$	227,205
Ecoproducts	10,692		—		—		10,692
Environmental systems for aluminum dross and scrap processing	5,209		—		—		5,209
Railway track maintenance equipment	—		—		33,068		33,068
After-market parts and services; safety and diagnostic technology	—		—		22,915		22,915
Railway contracting services	—		—		13,964		13,964
Hazardous waste processing solutions	—		197,594		—		197,594
Soil and dredged materials processing and reuse solutions	—		37,260		—		37,260
Total Revenues	$	243,106	$	234,854	$	69,947	$	547,907

(a) Revenues are attributed to individual countries based on the location of the facility generating the revenue.

(b) Includes Mexico.

Schedule of unsatisfied performance obligations


(In thousands)	Harsco Environmental		Harsco Rail
2027	$	15,784	$	42,885
2028	13,655		35,856
2029	10,127		13,354
2030	3,132		4,324
2031	3,132		3,508
Thereafter	3,132		9,063
Total remaining performance obligations	$	48,962	$	108,990

Employee Benefit Plans

3 Months Ended

Mar. 31, 2026

Retirement Benefits [Abstract]

Employee Benefit Plans

Employee Benefit Plans*



	Three Months Ended
	March 31
Defined Benefit Pension Plans Net Periodic Pension Cost (Benefit)	U.S. Plans				International Plans
(In thousands)	2026		2025		2026		2025
Service costs	$	—	$	—	$	260	$	303
Interest costs	2,031		2,313		7,372		7,387
Expected return on plan assets	(2,287)		(2,562)		(7,804)		(6,499)
Recognized prior service costs	—		—		108		113
Recognized actuarial losses	751		785		3,754		3,698


Defined benefit pension plans net periodic pension cost (benefit)	$	495	$	536	$	3,690	$	5,002

The entire disclosure for retirement benefits.

Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Finance leases:
Depreciation expense	$ 4,811	$ 3,959
Interest on lease liabilities	1,532	1,392
Operating leases	10,419	9,572
Variable and short-term lease expense	13,085	12,580
Sublease income	(47)	(2)
Total lease expense	$ 29,800	$ 27,501

Property, Plant and Equipment - New Enviri

3 Months Ended

Mar. 31, 2026

Property, Plant and Equipment

PP&E consist of the following:


(In thousands)	March 31 2026		December 31 2025
Land and improvements	$	97,718	$	95,324

Buildings and improvements	254,336		250,452
Machinery and equipment	1,723,342		1,731,009
Uncompleted construction	52,130		47,837
Gross property, plant and equipment	2,127,526		2,124,622
Less: Accumulated depreciation	(1,437,435)		(1,424,958)
Property, plant and equipment, net	$	690,091	$	699,664

Property, Plant and Equipment

PP&E consist of the following:


(In thousands)	March 31 2026		December 31 2025
Land and improvements	$	24,318	$	24,541
Buildings and improvements	162,267		162,000
Machinery and equipment	1,481,197		1,493,339
Uncompleted construction	25,939		25,521
Gross property, plant and equipment	1,693,721		1,705,401
Less: Accumulated depreciation	(1,282,870)		(1,281,302)
Property, plant and equipment, net	$	410,851	$	424,099

Derivative Instruments, Hedging Activities and Fair Value (Tables)

3 Months Ended

Mar. 31, 2026

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of fair value of outstanding derivative contracts

The fair value of outstanding derivative contracts recorded as assets and liabilities on the Company's Condensed Consolidated Balance Sheets was as follows:


(In thousands)	Balance Sheet Location	Fair Value of Derivatives Designated as Hedging Instruments		Fair Value of Derivatives Not Designated as Hedging Instruments		Total Fair Value
March 31, 2026
Asset derivatives (Level 2):
Foreign currency exchange forward contracts	Other current assets	$	168	$	5,182	$	5,350
Interest rate swaps	Other current assets	1,661		—		1,661
Interest rate swaps	Other assets	1,162		—		1,162
Total		$	2,991	$	5,182	$	8,173

Liability derivatives (Level 2):
Foreign currency exchange forward contracts	Derivative liabilities	$	495	$	13,627	$	14,122


Total		$	495	$	13,627	$	14,122

December 31, 2025
Asset derivatives (Level 2):
Foreign currency exchange forward contracts	Other current assets	$	36	$	1,340	$	1,376


Interest rate swaps	Other current assets	887		—		887
Interest rate swaps	Other assets	313		—		$	313
Total		$	1,236	$	1,340	$	2,576

Liability derivatives (Level 2):
Foreign currency exchange forward contracts	Derivative liabilities	$	861	$	19,978	$	20,839


Total		$	861	$	19,978	$	20,839

Schedule of effect of derivative instruments

The effect of derivative instruments on the Company's Condensed Consolidated Statements of Comprehensive Income (Loss) was as follows:

Derivatives Designated as Hedging Instruments



	Gain (Loss) Recognized in OCI on Derivatives				Loss (Gain) Reclassified from AOCI into Income - Effective Portion or Equity
	Three Months Ended				Three Months Ended
	March 31				March 31
(In thousands)	2026		2025		2026		2025
Foreign currency exchange forward contracts	$	491	$	(871)	$	(422)	$	192
Interest rate swaps	2,072		(2,784)		(449)		(117)

	$	2,563	$	(3,655)	$	(871)	$	75

The locations and amounts of gain (loss) recognized on the Company's Condensed Consolidated Statements of Operations was as follows:



	Three Months Ended
	March 31
	2026				2025
(In thousands)	Product Revenues		Interest Expense			Product Revenues		Interest Expense
Total amounts in the Condensed Consolidated Statement of Operations in which the effects of derivatives designated as hedging instruments are recorded	$	65,778	$	(27,833)		$	71,444	$	(26,574)
Interest rate swaps:
Gain (loss) reclassified from AOCI into income	—		449			—		117

Foreign exchange contracts:
Gain (loss) reclassified from AOCI into income	422		—			(192)		—

Derivatives Not Designated as Hedging Instruments


	Location of Gain (Loss) Recognized in Income on Derivatives (a)		Amount of Gain (Loss) Recognized in Income on Derivatives (a)
		Three Months Ended
		March 31
(In thousands)			2026		2025

Foreign currency exchange forward contracts	Cost of services and products sold		$	11,486	$	(15,156)

(a) These gains (losses) offset other amounts recognized in cost of services and products sold principally as a result of intercompany or third party foreign currency exposures.

Debt and Credit Agreements - Schedule of Facility Fees and Debt-Related Income (Expense) - New Enviri (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Debt Instrument [Line Items]
Unused debt commitment and amendment fees	$ (75)	$ (188)
Securitization and factoring fees	(2,219)	(2,424)
Facility fees and debt-related income (expense)	(2,294)	(2,612)
New Enviri
Debt Instrument [Line Items]
Unused debt commitment and amendment fees	(75)	(188)
Securitization and factoring fees	(2,219)	(2,424)
Facility fees and debt-related income (expense)	$ (2,294)	$ (2,612)

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Relationship with Parent and Related Entities - New Enviri

3 Months Ended

Mar. 31, 2026

Relationship with Parent and Related Entities

Historically, New Enviri has been managed and operated in the normal course of business consistent with other affiliates of Enviri. Accordingly, certain shared costs have been allocated to New Enviri and are reflected as expenses in the Condensed Combined Financial Statements. The expenses reflected on the Condensed Combined Financial Statements may not be indicative of the actual expenses that would have incurred during the periods presented if New Enviri historically operated as a separate, stand-alone company. In addition, the expenses reflected in the Condensed Combined Financial Statements may not be indicative of expenses that New Enviri could incur in the future.

All significant intercompany transactions between New Enviri and the Parent that have not been historically cash settled are deemed to be intercompany financing transactions and are treated as contributions from or distributions to the Parent. All intercompany accounts, profits and transactions among New Enviri’s combined entities have been eliminated.

Related Party Receivables and Notes Payables

The Related party notes payables of $189.0 million and $182.1 million as of March 31, 2026 and December 31, 2025, respectively, consist of balances entirely related to the AR Facility detailed in Note 4, Trade Accounts Receivables and Other Receivables. The Related party receivable account has no balance as of March 31, 2026 and December 31, 2025. As the counterparty of these related party transactions is under common control, there is a right of offset as treasury can move cash between entities to settle balances as needed to execute the cash management strategies of New Enviri.

Allocation of Corporate Costs

The Condensed Combined Financial Statements include corporate costs incurred by the Parent for services provided to or on behalf of New Enviri, including, but not limited to, general corporate expenses related to finance, legal, information technology, human resources, shared services, executive expenses and corporate initiatives. These costs consist of allocated cost pools and direct costs.

These costs have been attributed to New Enviri directly when identifiable, with the remainder allocated on the basis of revenues or headcount. Management of New Enviri considers these allocations to be a reasonable reflection of the utilization of services by, or the benefits provided to, New Enviri. These allocations may not, however, reflect the expense New Enviri would have incurred as a separate, stand-alone company for the periods presented. Actual costs that may have been incurred if New Enviri had been a separate, stand-alone company would depend on a number of factors, including the chosen organizational structure, what functions were outsourced or performed by employees and strategic decisions made in areas such as information technology and infrastructure.

Total general corporate expenses incurred by Parent that are allocated to New Enviri in the Condensed Combined Statements of Operations for the three months ended March 31, 2026 and 2025 were as follows:


	Three Months Ended March 31
(In thousands)	2026		2025
Selling, general and administrative expenses	$	11,896	$	11,768
Total allocated costs	$	11,896	$	11,768

Stock-Based Compensation

Enviri maintains several stock-based incentive plans (collectively, the “Plans”) for the benefit of certain of its officers, directors, and employees, including the employees of New Enviri. The following disclosures below represent our portion of the Plans maintained by Enviri in which our employees participated. All awards granted under the Plans consist of Enviri common shares. Accordingly, the amounts presented are not necessarily indicative of future performance and do not necessarily reflect the results that New Enviri would have experienced as a separate, stand-alone company for the periods presented.

Stock-based compensation expense includes expense attributable to New Enviri based on awards and terms previously granted to New Enviri’s employees (“Direct Employees”) and an allocation of the Parent’s corporate and shared functional employee (“Shared Employees”) expenses. Total costs charged to New Enviri related to employee participation in the incentive plans were $1.2 million and $2.2 million during the three months ended March 31, 2026 and 2025, respectively. These charges are included within the Selling, general and administrative expenses and are presented in the following table:


	Three Months Ended March 31
(In thousands)	2026		2025
Amount Recorded for Direct Employees	$	328	$	819
Amount Allocated for Shared Employees	851		1,400
Total Stock-Based Compensation	$	1,179	$	2,219

Additionally, the Board of Directors approves the granting of PSUs to officers and certain key employees that may be earned based on the Company's total shareholder return over the three-year performance period. For 2025, a portion of the PSUs that were granted are to be settled in cash and are, therefore, accounted for as a liability with changes in value recorded through earnings at the end of each reporting period and is included in Other liabilities on New Enviri's Condensed Combined Balance Sheets. PSUs granted prior to 2025 did not have an option for cash payment. Total compensation expense related to cash-settled PSUs was $0.6 million and $0.1 million for the three months ended March 31, 2026 and 2025, respectively.

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

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Recently Adopted and Recently Issued Accounting Standards	3 Months Ended
	Mar. 31, 2026
Accounting Changes and Error Corrections [Abstract]
Recently Adopted and Recently Issued Accounting Standards	Recently Adopted and Recently Issued Accounting Standards The following accounting standards were adopted during the three months ended March 31, 2026: The Company adopted a change issued by the FASB that provides an optional practical expedient for estimating future credit losses on current accounts receivable and current contract assets that arise from certain contracts with customers. The adoption of this change did not have a material impact on the Company's financial statements. The Company adopted changes issued by the FASB, which required greater disaggregation of income tax disclosures, related to the income tax rate reconciliation and income taxes paid for each annual reporting period. The Company applied the new disclosure requirements prospectively to its annual report for the year ended December 31, 2025.The adoption of these changes did not have a material impact on the Company's consolidated financial statements. The following accounting standards have been issued and become effective for the Company at a future date: In December 2025, the FASB issued an update that provides authoritative guidance on the recognition, measurement and presentation of government grants received by business entities. This update defines government grants and establishes recognition criteria and disclosure requirements. This update becomes effective starting with the Company's annual financial statements for the year ended December 31, 2028 and includes the interim periods within each annual reporting period. Early adoption is permitted. The Company is currently evaluating the impact that this update will have on the Company's financial statements. In November 2024, the FASB issued changes which require disaggregated disclosure of income statement expenses within the footnotes to the financial statement for each interim and annual reporting period. The changes become effective starting with the Company's annual financial statements for the year ended December 31, 2027 and will be in effect for the Company's interim financial statements after December 31, 2027. The guidance should be applied on a prospective basis with the option to apply the standard retrospectively. Early adoption is permitted. The Company is currently evaluating the impact that this change will have on the Company's disclosures.

Income Taxes - New Enviri	3 Months Ended
Income Taxes - New Enviri	Mar. 31, 2026
Income Tax Contingency [Line Items]
Income Taxes	Income Taxes* Income tax benefit from continuing operations for the three months ended March 31, 2026 was $24.4 million compared with $2.0 million income tax expense for the three months ended March 31, 2025. The change is primarily due to costs of $12.5 million related to the planned sale of Clean Earth during the three months ended March 31, 2026, which did not occur during the three months ended March 31, 2025, lower operating income in Clean Earth and a $5.1 million tax benefit from the vesting of stock-based compensation awards in 2026. The reserve for uncertain tax positions on March 31, 2026 and December 31, 2025 was $6.0 million and $6.7 million, respectively, including interest and penalties. Within the next twelve months, it is reasonably possible that $2.0 million in unrecognized income tax benefits will be recognized upon settlement of tax examinations and the expiration of various statutes of limitations. * Previously issued 2025 amounts have been revised due to the correction of immaterial errors, as identified in Note 1, Basis of Presentation under "Revision of Previously Issued Financial Statements".
New Enviri
Income Tax Contingency [Line Items]
Income Taxes	Income Taxes Income tax expense from continuing operations for each of the three months ended March 31, 2026 and March 31, 2025 was $5.4 million and $3.3 million, respectively. Income tax expense for the three months ended March 31, 2026 increased compared to income tax expense for the three months ended March 31, 2025 primarily due to change in mix of income. The reserve for uncertain tax positions on March 31, 2026 and December 31, 2025 was $2.4 million and $3.1 million, respectively, including interest and penalties. Within the next twelve months, it is reasonably possible that $0.4 million in unrecognized income tax benefits will be recognized upon settlement of tax examinations and the expiration of various statutes of limitations.

The entire disclosure for income tax.

Components of lease expense

Commitments and Contingencies - New Enviri (Details) € in Thousands, $ in Thousands, R$ in Millions				3 Months Ended
	Mar. 31, 2026 USD ($) claim	Mar. 31, 2026 BRL (R$)	Feb. 15, 2019 USD ($)	Mar. 31, 2026 USD ($) claim case	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Mar. 31, 2026 BRL (R$) claim	Jan. 17, 2025 company	Jul. 19, 2024 EUR (€)	Jul. 05, 2024 EUR (€)	Feb. 25, 2022 EUR (€)	Oct. 31, 2021 EUR (€)	Dec. 30, 2020 USD ($)
Commitments and Contingencies
Number Of Potentially Related Parties \| company								30
Reserve for loss contingencies	$ 27,000			$ 27,000
Penalties	6,000			6,000			R$ 32
Current portion of environmental liabilities	12,573			12,573	$ 12,736
Environmental liabilities	38,019			38,019	38,256
Total environmental liabilities	50,592			50,592	50,992
Brazil
Commitments and Contingencies
Loss Contingencies, Unpaid Service Taxes													$ 2,000
Loss Contingencies, Overall Liability	$ 7,600			7,600
Loss Contingency Accrual, Provision				$ 0
Other
Commitments and Contingencies
Number of pending claims \| claim	17,000			17,000			17,000
Number of claims dismissed to date by stipulation or summary judgment prior to trial \| case				28,500
Loss Contingency Accrual, Provision				$ 0
Alleged Violation of Environmental Permit in Ijmuiden, Netherland \| Amsterdam Public Prosecutor’s Office
Commitments and Contingencies
Loss Contingency, Amount Seeking From Other Party \| €												€ 100
Loss Contingency, Fine Issued By Court \| €									€ 25		€ 5
Unfavorable Regulatory Action
Commitments and Contingencies
Loss Contingency Accrual, Provision					5,000	$ 27,200
Limit and Reduce the Accumulation of Customer-Owned Slag
Commitments and Contingencies
Loss contingency, damages sought, value	$ 13,000	R$ 66
Limit and Reduce the Accumulation of Customer-Owned Slag \| Pending Litigation \| Volta Redonda vs. CSN and Enviri
Commitments and Contingencies
Loss contingency, damages sought, value	82,000	431
New Enviri
Commitments and Contingencies
Number Of Potentially Related Parties \| company								30
Reserve for loss contingencies	27,000			27,000
Penalties	6,000			6,000			R$ 32
Current portion of environmental liabilities	8,637			8,637	9,020
Environmental liabilities	19,105			19,105	19,105
Total environmental liabilities	27,742			27,742	28,125
New Enviri \| Orion Metals Mining Matter
Commitments and Contingencies
Loss contingency, damages sought, value			$ 28,500
New Enviri \| Brazil
Commitments and Contingencies
Loss Contingencies, Unpaid Service Taxes													$ 2,000
Loss Contingencies, Overall Liability	$ 7,600			7,600
Loss Contingency Accrual, Provision				$ 0
New Enviri \| Other
Commitments and Contingencies
Number of pending claims \| claim	17,000			17,000			17,000
Number of claims dismissed to date by stipulation or summary judgment prior to trial \| case				28,500
Loss Contingency Accrual, Provision				$ 0
New Enviri \| Alleged Violation of Environmental Permit in Ijmuiden, Netherland \| Amsterdam Public Prosecutor’s Office
Commitments and Contingencies
Loss Contingency, Amount Seeking From Other Party \| €										€ 300		€ 100
Loss Contingency, Fine Issued By Court \| €									€ 25		€ 5
New Enviri \| Unfavorable Regulatory Action
Commitments and Contingencies
Loss Contingency Accrual, Provision					$ 5,000	$ 27,200
New Enviri \| Limit and Reduce the Accumulation of Customer-Owned Slag
Commitments and Contingencies
Loss contingency, damages sought, value	$ 13,000	66
New Enviri \| Limit and Reduce the Accumulation of Customer-Owned Slag \| Pending Litigation \| Volta Redonda vs. CSN and Enviri
Commitments and Contingencies
Loss contingency, damages sought, value	82,000	431
CSN \| Limit and Reduce the Accumulation of Customer-Owned Slag
Commitments and Contingencies
Loss contingency, damages sought, value	$ 50,000	R$ 264

Leases (Tables)

3 Months Ended

Mar. 31, 2026

Leases [Abstract]

The components of lease expense were as follows:


	Three Months Ended
	March 31
(In thousands)		2026		2025
Finance leases:
Depreciation expense		$	4,811	$	3,959
Interest on lease liabilities		1,532		1,392
Operating leases		10,419		9,572
Variable and short-term lease expense		13,085		12,580
Sublease income		(47)		(2)
Total lease expense		$	29,800	$	27,501

Basis of Presentation (Policies)	3 Months Ended
Basis of Presentation (Policies)	Mar. 31, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation The Company has prepared these unaudited condensed consolidated financial statements in accordance with U.S. GAAP for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X of the SEC. Accordingly, the unaudited Condensed Consolidated Financial Statements do not include all information and disclosure required by U.S. GAAP for annual financial statements. The December 31, 2025 Condensed Consolidated Balance Sheet information contained in this Quarterly Report on Form 10-Q was derived from the 2025 audited consolidated financial statements. These unaudited Condensed Consolidated Financial Statements should be read in conjunction with the audited Consolidated Financial Statements, including the notes thereto, included in New Enviri's Information Statement (the "Information Statement"), dated May 8, 2026, attached as Exhibit 99.1 to New Enviri's Current Report on Form 8-K furnished to the SEC on May 11, 2026. In the opinion of management, all adjustments (all of which are of a normal recurring nature) that are necessary for a fair statement are reflected in these unaudited Condensed Consolidated Financial Statements. As used in this section, the term the “Company” means Enviri Corporation, a Delaware corporation, and its direct and indirect subsidiaries prior to the completion of the Holding Company Merger.
Recently Adopted and Recently Issued Accounting Standards	Recently Adopted and Recently Issued Accounting Standards The following accounting standards were adopted during the three months ended March 31, 2026: The Company adopted a change issued by the FASB that provides an optional practical expedient for estimating future credit losses on current accounts receivable and current contract assets that arise from certain contracts with customers. The adoption of this change did not have a material impact on the Company's financial statements. The Company adopted changes issued by the FASB, which required greater disaggregation of income tax disclosures, related to the income tax rate reconciliation and income taxes paid for each annual reporting period. The Company applied the new disclosure requirements prospectively to its annual report for the year ended December 31, 2025.The adoption of these changes did not have a material impact on the Company's consolidated financial statements. The following accounting standards have been issued and become effective for the Company at a future date: In December 2025, the FASB issued an update that provides authoritative guidance on the recognition, measurement and presentation of government grants received by business entities. This update defines government grants and establishes recognition criteria and disclosure requirements. This update becomes effective starting with the Company's annual financial statements for the year ended December 31, 2028 and includes the interim periods within each annual reporting period. Early adoption is permitted. The Company is currently evaluating the impact that this update will have on the Company's financial statements. In November 2024, the FASB issued changes which require disaggregated disclosure of income statement expenses within the footnotes to the financial statement for each interim and annual reporting period. The changes become effective starting with the Company's annual financial statements for the year ended December 31, 2027 and will be in effect for the Company's interim financial statements after December 31, 2027. The guidance should be applied on a prospective basis with the option to apply the standard retrospectively. Early adoption is permitted. The Company is currently evaluating the impact that this change will have on the Company's disclosures.

Employee Benefit Plans - New Enviri (Details) - Pension Plan - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
U.S. Plans
Defined benefit plans:
Service costs	$ 0	$ 0
Interest costs	2,031	2,313
Expected return on plan assets	(2,287)	(2,562)
Recognized prior service costs	0	0
Recognized actuarial losses	751	785
Defined benefit pension plans net periodic pension cost (benefit)	495	536
Defined benefit pension plan	400
Anticipated contributions to defined benefit pension plans during the remainder of the fiscal year	1,200
U.S. Plans \| New Enviri
Defined benefit plans:
Service costs	0	0
Interest costs	2,031	2,313
Expected return on plan assets	(2,287)	(2,562)
Recognized prior service costs	0	0
Recognized actuarial losses	751	785
Defined benefit pension plans net periodic pension cost (benefit)	495	536
Defined benefit pension plan	400
Anticipated contributions to defined benefit pension plans during the remainder of the fiscal year	1,200
International Plans
Defined benefit plans:
Service costs	260	303
Interest costs	7,372	7,387
Expected return on plan assets	(7,804)	(6,499)
Recognized prior service costs	108	113
Recognized actuarial losses	3,754	3,698
Defined benefit pension plans net periodic pension cost (benefit)	3,690	5,002
Defined benefit pension plan	200
Anticipated contributions to defined benefit pension plans during the remainder of the fiscal year	700
International Plans \| New Enviri
Defined benefit plans:
Service costs	260	303
Interest costs	7,372	7,387
Expected return on plan assets	(7,804)	(6,499)
Recognized prior service costs	108	113
Recognized actuarial losses	3,754	3,698
Defined benefit pension plans net periodic pension cost (benefit)	3,690	$ 5,002
Defined benefit pension plan	200
Anticipated contributions to defined benefit pension plans during the remainder of the fiscal year	$ 700

Reconciliation of Basic and Diluted Shares - Reconciliation of Basic and Diluted Shares (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Earnings Per Share [Abstract]
Income (loss) from continuing operations attributable to Enviri Corporation common stockholders	$ (9,514)	$ (7,846)
Weighted-average shares outstanding - basic (in shares)	82,291	80,331
Dilutive effect of stock-based compensation (in shares)	0	0
Weighted-average shares outstanding - diluted (in shares)	82,291	80,331
Earnings (loss) from continuing operations per common share, attributable to Enviri Corporation common stockholders:
Basic (in dollars per share)	$ (0.12)	$ (0.10)
Diluted (in dollars per share)	$ (0.12)	$ (0.10)

Amount after tax of income (loss) from continuing operations attributable to the parent.

The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period.

The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Organization, Consolidation and Presentation of Financial Statements [Abstract]

Inventories (Tables)

3 Months Ended

Mar. 31, 2026

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories consist of the following:


(In thousands)	March 31 2026		December 31 2025
Finished goods	$	8,721	$	11,057
Work-in-process	14,809		13,679

Raw materials and purchased parts	101,549		107,056
Stores and supplies	48,197		48,756
Total inventories	$	173,276	$	180,548

Subsequent Events - New Enviri	3 Months Ended
Subsequent Events - New Enviri	Mar. 31, 2026
Subsequent Event [Line Items]
Subsequent Events	Subsequent Events On June 1, 2026, through the completion of the Transactions, Veolia acquired the Clean Earth segment for aggregate consideration of approximately $3.0 billion, subject to customary adjustments. Of the aggregate consideration, $1.3 billion was paid directly to the stockholders of CE Holdings, the former stockholders of Enviri, and the remaining $1.7 billion was paid to Enviri LLC, as successor by merger to the Company, pursuant to an intercompany note issued by CE Holdings to Enviri LLC in connection with the Reorganization. The $1.7 billion was primarily used to pay off the entirety of the outstanding balances on the Revolving Credit Facility and a portion of the Term Loan, redeem the Senior Notes in full, repay the AR Facility in connection with its termination, pay transaction expenses and retain cash to support Rail's large European engineered-to-order rail contracts.
New Enviri
Subsequent Event [Line Items]
Subsequent Events	Subsequent Events These Condensed Combined Financial Statements are derived from the condensed consolidated financial statements of Enviri, which issued its quarterly financial statements for the quarterly period ended March 31, 2026 on May 11, 2026. Accordingly, New Enviri has evaluated recognizable subsequent events through the date of May 11, 2026 and non-recognizable subsequent events through June 8, 2026, the date these Condensed Combined Financial Statements were available for issuance. On June 1, 2026, through the Transactions, Enviri completed the sale of the Clean Earth segment to Veolia for approximately 3.0 billion, subject to customary adjustments. Of the aggregate consideration, 1.3 billion was paid directly to the stockholders of CE Holdings, the former stockholders of Enviri, and the remaining 1.7 billion was paid directly to Enviri LLC, as successor by merger to the Company, pursuant to an intercompany note issued by CE Holdings to Enviri LLC in connection with the Reorganization. The 1.7 billion was primarily used to pay off the entirety of the outstanding balances on the Revolving Credit Facility and a portion of the Term Loan, redeem the Senior Notes in full, repay the AR Facility in connection with its termination, pay transaction expenses and retain cash to support Rail's large European engineered-to-order rail contracts.

Basis of Presentation

3 Months Ended

Mar. 31, 2026

Basis of Presentation

As used in this section, the term the “Company” means Enviri Corporation, a Delaware corporation, and its direct and indirect subsidiaries prior to the completion of the Holding Company Merger.

Going Concern

Revision of Previously Issued Financial Statements

The impact of revising the Condensed Consolidated Statements of Operations for the period presented is as follows:


	Three Months Ended March 31, 2025
(In thousands, except per share amounts)	As Previously Reported		Revision		As Revised
Revenues from continuing operations:
Service revenues	$	476,840	$	(377)	$	476,463

Total revenues	548,284		(377)		547,907

Costs and expenses from continuing operations:

Cost of products sold	51,361		1,017		52,378
Total costs and expenses	517,629		1,017		518,646
Operating income (loss) from continuing operations	30,655		(1,394)		29,261

Defined benefit pension income (expense)	(5,033)		(168)		(5,201)
Income (loss) from continuing operations before income taxes and equity in income	(3,110)		(1,562)		(4,672)
Income tax benefit (expense) from continuing operations	(7,946)		5,945		(2,001)
Net income (loss)	(12,195)		4,383		(7,812)
Net income (loss) attributable to Enviri Corporation	$	(13,396)	$	4,383	$	(9,013)

Amounts attributable to Enviri Corporation common stockholders:
Income (loss) from continuing operations, net of tax	$	(12,229)	$	4,383	$	(7,846)
Net income (loss) attributable to Enviri Corporation common stockholders	$	(13,396)	$	4,383	$	(9,013)

Basic earnings (loss) per share attributable to Enviri Corporation common stockholders: (a)
Continuing operations	$	(0.15)	$	0.05	$	(0.10)
Basic earnings (loss) per share attributable to Enviri Corporation common stockholders	$	(0.17)	$	0.05	$	(0.11)

Diluted earnings (loss) per share attributable to Enviri Corporation common stockholders: (a)
Continuing operations	$	(0.15)	$	0.05	$	(0.10)
Diluted earnings (loss) per share attributable to Enviri Corporation common stockholders	$	(0.17)	$	0.05	$	(0.11)

(a) Earnings (loss) per share attributable to Enviri Corporation common stockholders is calculated based on actual amounts. As a result, these per share amounts may not total due to rounding.

The impact of revising the Condensed Consolidated Statements of Comprehensive Income (Loss) for the period presented is as follows:


	Three Months Ended March 31, 2025
(In thousands, except per share amounts)	As Previously Reported		Revision		As Revised
Net income (loss)	$	(12,195)	$	4,383	$	(7,812)
Other comprehensive income (loss):
Foreign currency translation adjustments, net of deferred taxes	15,723		(622)		15,101
Pension liability adjustment, net of deferred taxes	(4,206)		18		(4,188)
Total other comprehensive income (loss)	8,718		(604)		8,114
Total comprehensive income (loss)	(3,477)		3,779		302
Comprehensive income (loss) attributable to Enviri Corporation	$	(5,045)	$	3,779	$	(1,266)

The impact of revising the Condensed Consolidated Statements of Cash Flows for the period presented is as follows:


	Three Months Ended March 31, 2025
(In thousands, except per share amounts)	As Previously Reported		Revision		As Revised
Cash flows from operating activities:
Net income (loss)	$	(12,195)	$	4,383	$	(7,812)
Deferred income tax (benefit) expense	2,776		(5,599)		(2,823)
Changes in assets and liabilities, net of acquisitions and dispositions of businesses:
Accounts receivable	(13,501)		377		(13,124)
Inventories	(8,995)		1,017		(7,978)
Retirement plan liabilities, net	4,488		168		4,656
Other assets and liabilities	8,034		(346)		7,688
Net cash (used) provided by operating activities	6,600		—		6,600
Net cash used by investing activities	(18,447)		—		(18,447)
Net cash (used) provided by financing activities	26,127		—		26,127
Effect of exchange rate changes on cash and cash equivalents, including restricted cash	(9)		—		(9)
Net increase (decrease) in cash and cash equivalents, including restricted cash	14,271		—		14,271
Cash and cash equivalents, including restricted cash, at beginning of period	90,158		—		90,158
Cash and cash equivalents, including restricted cash, at end of period	$	104,429	$	—	$	104,429

The impact of revising the Condensed Consolidated Statements of Equity for all periods presented is as follows:


	As Previously Reported
	Enviri Corporation Stockholders’ Equity
	Common Stock				Additional Paid-in Capital		Retained Earnings		Accumulated Other Comprehensive Loss		Noncontrolling Interests
(In thousands, except share amounts)	Issued		Treasury										Total
Balances, December 31, 2024	$	146,844	$	(851,881)	$	255,102	$	1,400,347	$	(538,964)	$	38,151	$	449,599
Net income (loss)	—		—		—		(13,396)		—		1,201		(12,195)
Total other comprehensive income (loss), net of deferred income taxes of $2,487	—		—		—		—		8,351		367		8,718
Vesting of restricted stock units and other stock grants, net 284,643 shares	636		(1,357)		(636)		—		—		—		(1,357)
Vesting of performance share units, net 14,860 shares	35		(122)		(35)		—		—		—		(122)
Amortization of unearned stock-based compensation, net of forfeitures	—		—		4,044		—		—		—		4,044
Balances, March 31, 2025	$	147,515	$	(853,360)	$	258,475	$	1,386,951	$	(530,613)	$	39,719	$	448,687


	Revision
	Enviri Corporation Stockholders’ Equity
	Common Stock				Additional Paid-in Capital		Retained Earnings		Accumulated Other Comprehensive Loss		Noncontrolling Interests
(In thousands, except share amounts)	Issued		Treasury										Total
Balances, December 31, 2024	$	—	$	—	$	—	$	(21,512)	$	1,579	$	—	$	(19,933)
Net income (loss)	—		—		—		4,383		—		—		4,383
Total other comprehensive income (loss)	—		—		—		—		(604)		—		(604)
Vesting of restricted stock units and other stock grants	—		—		—		—		—		—		—
Vesting of performance share units	—		—		—		—		—		—		—
Amortization of unearned stock-based compensation, net of forfeitures	—		—		—		—		—		—		—
Balances, March 31, 2025	$	—	$	—	$	—	$	(17,129)	$	975	$	—	$	(16,154)


	As Revised
	Enviri Corporation Stockholders’ Equity
	Common Stock				Additional Paid-in Capital		Retained Earnings		Accumulated Other Comprehensive Loss		Noncontrolling Interests
(In thousands, except share amounts)	Issued		Treasury										Total
Balances, December 31, 2024	$	146,844	$	(851,881)	$	255,102	$	1,378,835	$	(537,385)	$	38,151	$	429,666
Net income (loss)	—		—		—		(9,013)		—		1,201		(7,812)

Total other comprehensive income (loss), net of deferred income taxes of $2,487	—		—		—		—		7,747		367		8,114
Vesting of restricted stock units and other stock grants, net 284,643 shares	636		(1,357)		(636)		—		—		—		(1,357)
Vesting of performance share units, net 14,860 shares	35		(122)		(35)		—		—		—		(122)
Amortization of unearned stock-based compensation, net of forfeitures	—		—		4,044		—		—		—		4,044
Balances, March 31, 2025	$	147,515	$	(853,360)	$	258,475	$	1,369,822	$	(529,638)	$	39,719	$	432,533

Trade Accounts Receivables and Other Receivables - Schedule of Factoring Arrangements Net Amounts Sold and Program Capacities (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net amounts sold under factoring arrangements	$ 285,516	$ 267,439
Program capacities	20,600	21,100
Accounts Receivable Under Factoring Arrangement
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net amounts sold under factoring arrangements	$ 20,000	$ 16,400

Commitments and Contingencies - Schedule of Loss Contingencies by Contingency - New Enviri (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Commitments and Contingencies
Current portion of environmental liabilities	$ 12,573	$ 12,736
Long-term environmental liabilities	38,019	38,256
Total environmental liabilities	50,592	50,992
New Enviri
Commitments and Contingencies
Current portion of environmental liabilities	8,637	9,020
Long-term environmental liabilities	19,105	19,105
Total environmental liabilities	$ 27,742	$ 28,125

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Disaggregation of Income Statement Expense, Caption [Line Items]

Cover Page - shares	3 Months Ended
Cover Page - shares	Mar. 31, 2026	Jun. 01, 2026
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2026
Document Transition Report	false
Entity File Number	001-43207
Entity Registrant Name	ENVIRI CORP
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	41-2897233
Entity Address, Address Line One	Two Logan Square100-120 North 18th Street, 17th Floor,
Entity Address, City or Town	Philadelphia,
Entity Address, State or Province	PA
Entity Address, Postal Zip Code	19103
City Area Code	267
Local Phone Number	857-8715
Entity Information, Former Legal or Registered Name	Enviri II Corporation
Title of 12(b) Security	Common stock, par value $0.00001 per share
Trading Symbol	NVRI
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		28,103,750
Entity Central Index Key	0002104052
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2026
Document Fiscal Period Focus	Q1
Amendment Flag	false

Commitments and Contingencies (Details) € in Thousands, $ in Thousands, R$ in Millions					3 Months Ended
	May 29, 2026 USD ($)	Mar. 31, 2026 USD ($) claim	Mar. 31, 2026 BRL (R$)	Mar. 22, 2022 USD ($)	Mar. 31, 2026 USD ($) claim case	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Mar. 31, 2026 BRL (R$) claim	Jan. 17, 2025 company	Jul. 19, 2024 EUR (€)	Feb. 25, 2022 EUR (€)	Oct. 31, 2021 EUR (€)	Dec. 30, 2020 USD ($)
Commitments and Contingencies
Number Of Potentially Related Parties \| company									30
Reserve for loss contingencies		$ 27,000			$ 27,000
Penalties		6,000			6,000			R$ 32
Current portion of environmental liabilities		12,573			12,573	$ 12,736
Environmental liabilities		38,019			38,019	38,256
Total environmental liabilities		50,592			50,592	50,992
Stericycle \| DEA Investigation \| Subsequent Event
Commitments and Contingencies
Settlement amount	$ 56,000
Brazil
Commitments and Contingencies
Loss Contingencies, Unpaid Service Taxes													$ 2,000
Loss Contingencies, Overall Liability		$ 7,600			7,600
Loss Contingency Accrual, Provision					$ 0
Other
Commitments and Contingencies
Number of pending claims \| claim		17,000			17,000			17,000
Number of claims dismissed to date by stipulation or summary judgment prior to trial \| case					28,500
Loss Contingency Accrual, Provision					$ 0
Alleged Violation of Environmental Permit in Ijmuiden, Netherland \| Amsterdam Public Prosecutor’s Office
Commitments and Contingencies
Loss Contingency, Amount Seeking From Other Party \| €												€ 100
Loss Contingency, Fine Issued By Court \| €										€ 25	€ 5
Unfavorable Regulatory Action
Commitments and Contingencies
Loss Contingency Accrual, Provision						$ 5,000	$ 27,200
Limit and Reduce the Accumulation of Customer-Owned Slag
Commitments and Contingencies
Loss contingency, damages sought, value		$ 13,000	R$ 66
Limit and Reduce the Accumulation of Customer-Owned Slag \| Pending Litigation \| Volta Redonda vs. CSN and Enviri
Commitments and Contingencies
Loss contingency, damages sought, value		82,000	431
Limit and Reduce the Accumulation of Customer-Owned Slag \| CSN
Commitments and Contingencies
Loss contingency, damages sought, value		50,000	R$ 264
Violations of the Federal Emergency Planning and Community Right-to-Know Act \| Pending Litigation
Commitments and Contingencies
Loss contingency, damages sought, value				$ 3,000
Loss contingency reserves		$ 600			$ 600

Other Expense (Income), Net - New Enviri

3 Months Ended

Mar. 31, 2026

Other Expense (Income), Net

The major components of this Condensed Consolidated Statements of Operations caption were as follows:


	Three Months Ended
	March 31
(In thousands)		2026		2025
Employee termination benefit costs		$	745	$	2,518
Other costs for exit activities (a)		12,334		1,958

Asset impairments		—		583


Net gains on sale of assets		(218)		(768)

Other expense (income), net		$	12,861	$	4,291

(a) Includes costs related to the planned sale of Clean Earth

Disaggregation of Income Statement Expense, Caption [Line Items]

Other Expense (Income), Net

The major components of this Condensed Combined Statements of Operations caption were as follows:


	Three Months Ended
	March 31
(In thousands)	2026		2025
Employee termination benefit costs	$	670	$	2,438
Other costs for exit activities (a)	12,270		1,958
Asset impairments	—		583
Net gains on sale of assets	(218)		(768)
Other (income) expenses, net	$	12,722	$	4,211

(a) Includes costs related to the planned sale of Clean Earth

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Accumulated Other Comprehensive Income (Loss) [Line Items]

Inventories

3 Months Ended

Mar. 31, 2026

Inventory Disclosure [Abstract]

Inventories

Inventories consist of the following:


(In thousands)	March 31 2026		December 31 2025
Finished goods	$	8,721	$	11,057
Work-in-process	14,809		13,679

Raw materials and purchased parts	101,549		107,056
Stores and supplies	48,197		48,756
Total inventories	$	173,276	$	180,548

Components of Accumulated Other Comprehensive Loss - New Enviri (Tables)

3 Months Ended

Mar. 31, 2026

Schedule of accumulated other comprehensive loss

The components of AOCI, net of the effect of income taxes, and activity for the three months ended March 31, 2026 and 2025, were as follows:


	Components of AOCI, Net of Tax
(In thousands)	Cumulative Foreign Exchange Translation Adjustments		Effective Portion of Derivatives Designated as Hedging Instruments		Cumulative Unrecognized Actuarial Losses on Pension Obligations		Unrealized Gain (Loss) on Marketable Securities		Total
Balance at December 31, 2025	$	(199,071)	$	15	$	(315,450)	$	25	$	(514,481)

OCI before reclassifications (a)(b)	(6,378)		1,912		5,493		—		1,027
Amounts reclassified from AOCI, net of tax	—		(656)		4,417		—		3,761



Total OCI	(6,378)		1,256		9,910		—		4,788
Less: OCI attributable to noncontrolling interests	(80)		—		—		—		(80)
OCI attributable to Enviri Corporation	(6,458)		1,256		9,910		—		4,708
Balance at March 31, 2026	$	(205,529)	$	1,271	$	(305,540)	$	25	$	(509,773)


	Components of AOCI, Net of Tax
	Cumulative Foreign Exchange Translation Adjustments	Effective Portion of Derivatives Designated as Hedging Instruments	Cumulative Unrecognized Actuarial Losses on Pension Obligations	Unrealized Gain (Loss) on Marketable Securities	Total
Balance at December 31, 2024	(229,257)	3,769	(311,919)	22	(537,385)
OCI before reclassifications (a)(b)	15,101	(2,824)	(8,580)	(2)	3,695
Amounts reclassified from AOCI, net of tax	—	27	4,392	—	4,419
Total OCI	15,101	(2,797)	(4,188)	(2)	8,114
Less: OCI attributable to noncontrolling interests	(367)	—	—	—	(367)
OCI attributable to Enviri Corporation	14,734	(2,797)	(4,188)	(2)	7,747
Balance at March 31, 2025	(214,523)	972	(316,107)	20	(529,638)

(a) The cumulative amounts from foreign exchange translation and unrecognized actuarial losses on pension obligations are principally from foreign currency fluctuation.

(b) The amounts related to the effective portion of derivatives designated as hedge instruments are due to the net change from periodic revaluations.

Reclassification out of accumulated other comprehensive income

Amounts reclassified from AOCI were as follows:


(In thousands)	Three Months Ended			Location on the Condensed Consolidated Statements of Operations
	March 31
		2026				2025



Amortization of cash flow hedging instruments:
Foreign currency exchange forward contracts		$	(422)	$	192	Product revenues



Interest rate swaps		(449)		(117)		Interest expense

Total before income taxes		(871)		75
Income taxes		215		(48)
Total reclassification of cash flow hedging instruments, net of tax		$	(656)	$	27

Amortization of defined benefit pension items (c):
Actuarial losses		$	4,505	$	4,483	Defined benefit pension income (expense)
Prior service costs		108		113		Defined benefit pension income (expense)



Total before income taxes		4,613		4,596
Income taxes		(196)		(204)
Total reclassification of defined benefit pension items, net of tax		$	4,417	$	4,392

(c) These AOCI components are included in the computation of net periodic pension costs. See Note 9, Employee Benefit Plans, for additional details.

Accumulated Other Comprehensive Income (Loss) [Line Items]

Schedule of accumulated other comprehensive loss

The components of AOCI, net of the effect of income taxes, and activity for the three months ended March 31, 2026 and 2025 were as follows:


	Components of AOCI, Net of Tax
(In thousands)	Cumulative Foreign Exchange Translation Adjustments		Effective Portion of Derivatives Designated as Hedging Instruments		Cumulative Unrecognized Actuarial Losses on Pension Obligations		Unrealized Gain (Loss) on Marketable Securities		Total
Balance at December 31, 2025	$	(204,315)	$	329	$	(305,419)	$	25	$	(509,380)
OCI before reclassifications (a)(b)	(5,005)		2,576		5,494		—		3,065
Amounts reclassified from AOCI, net of tax			(871)		4,613		—		3,742
Total OCI	(5,005)		1,705		10,107		—		6,807
Less: OCI attributable to noncontrolling interests	(80)		—		—		—		(80)
OCI attributable to New Enviri	(5,085)		1,705		10,107		—		6,727
Balance at March 31, 2026	$	(209,400)	$	2,034	$	(295,312)	$	25	$	(502,653)


	Components of AOCI, Net of Tax
(In thousands)	Cumulative Foreign Exchange Translation Adjustments		Effective Portion of Derivatives Designated as Hedging Instruments		Cumulative Unrecognized Actuarial Losses on Pension Obligations		Unrealized Gain (Loss) on Marketable Securities		Total
Balance at December 31, 2024	$	(229,880)	$	5,084	$	(303,288)	$	22	$	(528,062)
OCI before reclassifications (a)(b)	13,155		(3,715)		(8,530)		(2)		908
Amounts reclassified from AOCI, net of tax	—		75		4,596		—		4,671
Total OCI	13,155		(3,640)		(3,934)		(2)		5,579
Less: OCI attributable to noncontrolling interests	(367)		—		—		—		(367)
OCI attributable to New Enviri	12,788		(3,640)		(3,934)		(2)		5,212
Balance at March 31, 2025	$	(217,092)	$	1,444	$	(307,222)	$	20	$	(522,850)

(a) Principally foreign currency fluctuation.
(b) Principally net change from periodic revaluations

Reclassification out of accumulated other comprehensive income

Amounts reclassified from AOCI were as follows:


(In thousands)	Three Months Ended				Location on the Condensed Combined Statements of Operations
	March 31
	2026		2025
Amortization of cash flow hedging instruments:
Foreign currency exchange forward contracts	$	(422)	$	192	Product revenues
Interest rate swaps	(449)		(117)		Interest expense
Total before income taxes	(871)		75
Income taxes	—		—
Total reclassification of cash flow hedging instruments	$	(871)	$	75

Amortization of defined benefit pension items(c):
Actuarial losses	$	4,505	$	4,483	Defined benefit pension income (expense)
Prior service costs	108		113		Defined benefit pension income (expense)
Total before income taxes	4,613		4,596
Income taxes	—		—
Total reclassification of defined benefit pension items	$	4,613	$	4,596

(c) These AOCI components are included in the computation of net periodic pension costs. See Note 10, Employee Benefit Plans, for additional details.

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480870/815-30-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480870/815-30-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480870/815-30-50-2

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480870/815-30-50-2

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482765/220-10-50-4

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482765/220-10-50-5

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481674/830-30-50-1

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481694/830-30-45-17

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 20
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481694/830-30-45-20

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 20
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481694/830-30-45-20

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 20
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481694/830-30-45-20

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 20
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481694/830-30-45-20

Accumulated Other Comprehensive Income (Loss) [Line Items]

Subsequent Events - New Enviri (Details) - USD ($) $ in Billions	Jun. 01, 2026	Mar. 31, 2026
5.75% Senior Notes \| Senior Notes
Subsequent Event [Line Items]
Interest rate		5.75%
Clean Earth segment \| Subsequent Event
Subsequent Event [Line Items]
Sale proceeds	$ 3.0
Clean Earth segment \| Subsequent Event \| Stockholders of CE Holdings
Subsequent Event [Line Items]
Sale proceeds	1.3
Clean Earth segment \| Subsequent Event \| New Enviri
Subsequent Event [Line Items]
Sale proceeds	1.7
Clean Earth segment \| Subsequent Event \| Enviri Corporation
Subsequent Event [Line Items]
Sale proceeds	3.0
Clean Earth segment \| Subsequent Event \| Enviri Corporation \| Stockholders of CE Holdings
Subsequent Event [Line Items]
Sale proceeds	1.3
Clean Earth segment \| Subsequent Event \| Enviri Corporation \| New Enviri
Subsequent Event [Line Items]
Sale proceeds	$ 1.7

Derivative Instruments, Hedging Activities and Fair Value - Derivatives Designated as Hedging Instruments - New Enviri (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Derivative [Line Items]
Total revenues	$ 549,803	$ 547,907
Interest expense	(27,833)	(26,574)
Gain (loss) reclassified from AOCI into income	871	(75)
Product Revenues
Derivative [Line Items]
Total revenues	65,778	71,444
Gain (loss) reclassified from AOCI into income	422	(192)
Fair Value of Derivatives Designated as Hedging Instruments
Derivative [Line Items]
Interest expense	(27,833)	(26,574)
Interest Expense \| Interest rate swaps
Derivative [Line Items]
Gain (loss) reclassified from AOCI into income	449	117
Interest Expense \| Foreign exchange contracts
Derivative [Line Items]
Gain (loss) reclassified from AOCI into income	0	0
New Enviri
Derivative [Line Items]
Total revenues	324,048	313,053
Interest expense	(26,687)	(25,486)
Gain (loss) reclassified from AOCI into income	871	(75)
New Enviri \| Product Revenues
Derivative [Line Items]
Total revenues	65,778	71,444
Gain (loss) reclassified from AOCI into income	422	(192)
New Enviri \| Fair Value of Derivatives Designated as Hedging Instruments
Derivative [Line Items]
Interest expense	(26,687)	(25,486)
New Enviri \| Interest Expense \| Interest rate swaps
Derivative [Line Items]
Gain (loss) reclassified from AOCI into income	449	117
New Enviri \| Interest Expense \| Foreign exchange contracts
Derivative [Line Items]
Gain (loss) reclassified from AOCI into income	$ 0	$ 0

Components of Accumulated Other Comprehensive Loss - New Enviri

3 Months Ended

Mar. 31, 2026

Components of Accumulated Other Comprehensive Loss

Components of Accumulated Other Comprehensive Loss*


	Components of AOCI, Net of Tax
(In thousands)	Cumulative Foreign Exchange Translation Adjustments		Effective Portion of Derivatives Designated as Hedging Instruments		Cumulative Unrecognized Actuarial Losses on Pension Obligations		Unrealized Gain (Loss) on Marketable Securities		Total
Balance at December 31, 2025	$	(199,071)	$	15	$	(315,450)	$	25	$	(514,481)

OCI before reclassifications (a)(b)	(6,378)		1,912		5,493		—		1,027
Amounts reclassified from AOCI, net of tax	—		(656)		4,417		—		3,761



Total OCI	(6,378)		1,256		9,910		—		4,788
Less: OCI attributable to noncontrolling interests	(80)		—		—		—		(80)
OCI attributable to Enviri Corporation	(6,458)		1,256		9,910		—		4,708
Balance at March 31, 2026	$	(205,529)	$	1,271	$	(305,540)	$	25	$	(509,773)


	Components of AOCI, Net of Tax
	Cumulative Foreign Exchange Translation Adjustments	Effective Portion of Derivatives Designated as Hedging Instruments	Cumulative Unrecognized Actuarial Losses on Pension Obligations	Unrealized Gain (Loss) on Marketable Securities	Total
Balance at December 31, 2024	(229,257)	3,769	(311,919)	22	(537,385)
OCI before reclassifications (a)(b)	15,101	(2,824)	(8,580)	(2)	3,695
Amounts reclassified from AOCI, net of tax	—	27	4,392	—	4,419
Total OCI	15,101	(2,797)	(4,188)	(2)	8,114
Less: OCI attributable to noncontrolling interests	(367)	—	—	—	(367)
OCI attributable to Enviri Corporation	14,734	(2,797)	(4,188)	(2)	7,747
Balance at March 31, 2025	(214,523)	972	(316,107)	20	(529,638)

(a) The cumulative amounts from foreign exchange translation and unrecognized actuarial losses on pension obligations are principally from foreign currency fluctuation.

(b) The amounts related to the effective portion of derivatives designated as hedge instruments are due to the net change from periodic revaluations.

Amounts reclassified from AOCI were as follows:


(In thousands)	Three Months Ended			Location on the Condensed Consolidated Statements of Operations
	March 31
		2026				2025



Amortization of cash flow hedging instruments:
Foreign currency exchange forward contracts		$	(422)	$	192	Product revenues



Interest rate swaps		(449)		(117)		Interest expense

Total before income taxes		(871)		75
Income taxes		215		(48)
Total reclassification of cash flow hedging instruments, net of tax		$	(656)	$	27

Amortization of defined benefit pension items (c):
Actuarial losses		$	4,505	$	4,483	Defined benefit pension income (expense)
Prior service costs		108		113		Defined benefit pension income (expense)



Total before income taxes		4,613		4,596
Income taxes		(196)		(204)
Total reclassification of defined benefit pension items, net of tax		$	4,417	$	4,392

(c) These AOCI components are included in the computation of net periodic pension costs. See Note 9, Employee Benefit Plans, for additional details.

Accumulated Other Comprehensive Income (Loss) [Line Items]

Components of Accumulated Other Comprehensive Loss

AOCI is included on the Condensed Combined Statements of Changes in Parent Company Net Investment. The components of AOCI, net of the effect of income taxes, and activity for the three months ended March 31, 2026 and 2025 were as follows:


	Components of AOCI, Net of Tax
(In thousands)	Cumulative Foreign Exchange Translation Adjustments		Effective Portion of Derivatives Designated as Hedging Instruments		Cumulative Unrecognized Actuarial Losses on Pension Obligations		Unrealized Gain (Loss) on Marketable Securities		Total
Balance at December 31, 2025	$	(204,315)	$	329	$	(305,419)	$	25	$	(509,380)
OCI before reclassifications (a)(b)	(5,005)		2,576		5,494		—		3,065
Amounts reclassified from AOCI, net of tax			(871)		4,613		—		3,742
Total OCI	(5,005)		1,705		10,107		—		6,807
Less: OCI attributable to noncontrolling interests	(80)		—		—		—		(80)
OCI attributable to New Enviri	(5,085)		1,705		10,107		—		6,727
Balance at March 31, 2026	$	(209,400)	$	2,034	$	(295,312)	$	25	$	(502,653)


	Components of AOCI, Net of Tax
(In thousands)	Cumulative Foreign Exchange Translation Adjustments		Effective Portion of Derivatives Designated as Hedging Instruments		Cumulative Unrecognized Actuarial Losses on Pension Obligations		Unrealized Gain (Loss) on Marketable Securities		Total
Balance at December 31, 2024	$	(229,880)	$	5,084	$	(303,288)	$	22	$	(528,062)
OCI before reclassifications (a)(b)	13,155		(3,715)		(8,530)		(2)		908
Amounts reclassified from AOCI, net of tax	—		75		4,596		—		4,671
Total OCI	13,155		(3,640)		(3,934)		(2)		5,579
Less: OCI attributable to noncontrolling interests	(367)		—		—		—		(367)
OCI attributable to New Enviri	12,788		(3,640)		(3,934)		(2)		5,212
Balance at March 31, 2025	$	(217,092)	$	1,444	$	(307,222)	$	20	$	(522,850)

(a) Principally foreign currency fluctuation.
(b) Principally net change from periodic revaluations

Amounts reclassified from AOCI were as follows:


(In thousands)	Three Months Ended				Location on the Condensed Combined Statements of Operations
	March 31
	2026		2025
Amortization of cash flow hedging instruments:
Foreign currency exchange forward contracts	$	(422)	$	192	Product revenues
Interest rate swaps	(449)		(117)		Interest expense
Total before income taxes	(871)		75
Income taxes	—		—
Total reclassification of cash flow hedging instruments	$	(871)	$	75

Amortization of defined benefit pension items(c):
Actuarial losses	$	4,505	$	4,483	Defined benefit pension income (expense)
Prior service costs	108		113		Defined benefit pension income (expense)
Total before income taxes	4,613		4,596
Income taxes	—		—
Total reclassification of defined benefit pension items	$	4,613	$	4,596

(c) These AOCI components are included in the computation of net periodic pension costs. See Note 10, Employee Benefit Plans, for additional details.

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Debt and Credit Agreements

Revenues - Revenues by Primary Geographical Markets - New Enviri (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Disaggregation of Revenue [Line Items]
Total revenues	$ 549,803	$ 547,907
Environmental services related to resource recovery for metals manufacturing and related logistical services
Disaggregation of Revenue [Line Items]
Total revenues	240,425	227,205
Ecoproducts
Disaggregation of Revenue [Line Items]
Total revenues	12,213	10,692
Environmental systems for aluminum dross and scrap processing
Disaggregation of Revenue [Line Items]
Total revenues	4,079	5,209
Railway Track Maintenance Equipment
Disaggregation of Revenue [Line Items]
Total revenues	20,703	33,068
After-market Parts and Services; Safety and Diagnostic Technology
Disaggregation of Revenue [Line Items]
Total revenues	28,955	22,915
Railway Contracting Services
Disaggregation of Revenue [Line Items]
Total revenues	17,673	13,964
North America
Disaggregation of Revenue [Line Items]
Total revenues	324,471	327,056
Western Europe
Disaggregation of Revenue [Line Items]
Total revenues	118,325	124,868
Latin America
Disaggregation of Revenue [Line Items]
Total revenues	42,175	33,924
Asia-Pacific
Disaggregation of Revenue [Line Items]
Total revenues	34,517	32,511
Middle East and Africa
Disaggregation of Revenue [Line Items]
Total revenues	25,533	25,349
Eastern Europe
Disaggregation of Revenue [Line Items]
Total revenues	4,782	4,199
Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	549,803	547,907
Operating Segments \| Harsco Environmental
Disaggregation of Revenue [Line Items]
Total revenues	256,717	243,106
Operating Segments \| Harsco Environmental \| Environmental services related to resource recovery for metals manufacturing and related logistical services
Disaggregation of Revenue [Line Items]
Total revenues	240,425	227,205
Operating Segments \| Harsco Environmental \| Ecoproducts
Disaggregation of Revenue [Line Items]
Total revenues	12,213	10,692
Operating Segments \| Harsco Environmental \| Environmental systems for aluminum dross and scrap processing
Disaggregation of Revenue [Line Items]
Total revenues	4,079	5,209
Operating Segments \| Harsco Environmental \| Railway Track Maintenance Equipment
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Harsco Environmental \| After-market Parts and Services; Safety and Diagnostic Technology
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Harsco Environmental \| Railway Contracting Services
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Harsco Environmental \| North America
Disaggregation of Revenue [Line Items]
Total revenues	59,098	55,226
Operating Segments \| Harsco Environmental \| Western Europe
Disaggregation of Revenue [Line Items]
Total revenues	96,439	97,644
Operating Segments \| Harsco Environmental \| Latin America
Disaggregation of Revenue [Line Items]
Total revenues	40,553	32,124
Operating Segments \| Harsco Environmental \| Asia-Pacific
Disaggregation of Revenue [Line Items]
Total revenues	30,357	28,564
Operating Segments \| Harsco Environmental \| Middle East and Africa
Disaggregation of Revenue [Line Items]
Total revenues	25,488	25,349
Operating Segments \| Harsco Environmental \| Eastern Europe
Disaggregation of Revenue [Line Items]
Total revenues	4,782	4,199
Operating Segments \| Harsco Rail
Disaggregation of Revenue [Line Items]
Total revenues	67,331	69,947
Operating Segments \| Harsco Rail \| Environmental services related to resource recovery for metals manufacturing and related logistical services
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Harsco Rail \| Ecoproducts
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Harsco Rail \| Environmental systems for aluminum dross and scrap processing
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Harsco Rail \| Railway Track Maintenance Equipment
Disaggregation of Revenue [Line Items]
Total revenues	20,703	33,068
Operating Segments \| Harsco Rail \| After-market Parts and Services; Safety and Diagnostic Technology
Disaggregation of Revenue [Line Items]
Total revenues	28,955	22,915
Operating Segments \| Harsco Rail \| Railway Contracting Services
Disaggregation of Revenue [Line Items]
Total revenues	17,673	13,964
Operating Segments \| Harsco Rail \| North America
Disaggregation of Revenue [Line Items]
Total revenues	39,618	36,976
Operating Segments \| Harsco Rail \| Western Europe
Disaggregation of Revenue [Line Items]
Total revenues	21,886	27,224
Operating Segments \| Harsco Rail \| Latin America
Disaggregation of Revenue [Line Items]
Total revenues	1,622	1,800
Operating Segments \| Harsco Rail \| Asia-Pacific
Disaggregation of Revenue [Line Items]
Total revenues	4,160	3,947
Operating Segments \| Harsco Rail \| Middle East and Africa
Disaggregation of Revenue [Line Items]
Total revenues	45	0
Operating Segments \| Harsco Rail \| Eastern Europe
Disaggregation of Revenue [Line Items]
Total revenues	0	0
New Enviri
Disaggregation of Revenue [Line Items]
Total revenues	324,048	313,053
New Enviri \| Environmental services related to resource recovery for metals manufacturing and related logistical services
Disaggregation of Revenue [Line Items]
Total revenues	240,425	227,205
New Enviri \| Ecoproducts
Disaggregation of Revenue [Line Items]
Total revenues	12,213	10,692
New Enviri \| Environmental systems for aluminum dross and scrap processing
Disaggregation of Revenue [Line Items]
Total revenues	4,079	5,209
New Enviri \| Railway Track Maintenance Equipment
Disaggregation of Revenue [Line Items]
Total revenues	20,703	33,068
New Enviri \| After-market Parts and Services; Safety and Diagnostic Technology
Disaggregation of Revenue [Line Items]
Total revenues	28,955	22,915
New Enviri \| Railway Contracting Services
Disaggregation of Revenue [Line Items]
Total revenues	17,673	13,964
New Enviri \| North America
Disaggregation of Revenue [Line Items]
Total revenues	98,716	92,202
New Enviri \| Western Europe
Disaggregation of Revenue [Line Items]
Total revenues	118,325	124,868
New Enviri \| Latin America
Disaggregation of Revenue [Line Items]
Total revenues	42,175	33,924
New Enviri \| Asia-Pacific
Disaggregation of Revenue [Line Items]
Total revenues	34,517	32,511
New Enviri \| Middle East and Africa
Disaggregation of Revenue [Line Items]
Total revenues	25,533	25,349
New Enviri \| Eastern Europe
Disaggregation of Revenue [Line Items]
Total revenues	4,782	4,199
New Enviri \| Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	324,048	313,053
New Enviri \| Operating Segments \| Harsco Environmental
Disaggregation of Revenue [Line Items]
Total revenues	256,717	243,106
New Enviri \| Operating Segments \| Harsco Environmental \| Environmental services related to resource recovery for metals manufacturing and related logistical services
Disaggregation of Revenue [Line Items]
Total revenues	240,425	227,205
New Enviri \| Operating Segments \| Harsco Environmental \| Ecoproducts
Disaggregation of Revenue [Line Items]
Total revenues	12,213	10,692
New Enviri \| Operating Segments \| Harsco Environmental \| Environmental systems for aluminum dross and scrap processing
Disaggregation of Revenue [Line Items]
Total revenues	4,079	5,209
New Enviri \| Operating Segments \| Harsco Environmental \| Railway Track Maintenance Equipment
Disaggregation of Revenue [Line Items]
Total revenues	0	0
New Enviri \| Operating Segments \| Harsco Environmental \| After-market Parts and Services; Safety and Diagnostic Technology
Disaggregation of Revenue [Line Items]
Total revenues	0	0
New Enviri \| Operating Segments \| Harsco Environmental \| Railway Contracting Services
Disaggregation of Revenue [Line Items]
Total revenues	0	0
New Enviri \| Operating Segments \| Harsco Environmental \| North America
Disaggregation of Revenue [Line Items]
Total revenues	59,098	55,226
New Enviri \| Operating Segments \| Harsco Environmental \| Western Europe
Disaggregation of Revenue [Line Items]
Total revenues	96,439	97,644
New Enviri \| Operating Segments \| Harsco Environmental \| Latin America
Disaggregation of Revenue [Line Items]
Total revenues	40,553	32,124
New Enviri \| Operating Segments \| Harsco Environmental \| Asia-Pacific
Disaggregation of Revenue [Line Items]
Total revenues	30,357	28,564
New Enviri \| Operating Segments \| Harsco Environmental \| Middle East and Africa
Disaggregation of Revenue [Line Items]
Total revenues	25,488	25,349
New Enviri \| Operating Segments \| Harsco Environmental \| Eastern Europe
Disaggregation of Revenue [Line Items]
Total revenues	4,782	4,199
New Enviri \| Operating Segments \| Harsco Rail
Disaggregation of Revenue [Line Items]
Total revenues	67,331	69,947
New Enviri \| Operating Segments \| Harsco Rail \| Environmental services related to resource recovery for metals manufacturing and related logistical services
Disaggregation of Revenue [Line Items]
Total revenues	0	0
New Enviri \| Operating Segments \| Harsco Rail \| Ecoproducts
Disaggregation of Revenue [Line Items]
Total revenues	0	0
New Enviri \| Operating Segments \| Harsco Rail \| Environmental systems for aluminum dross and scrap processing
Disaggregation of Revenue [Line Items]
Total revenues	0	0
New Enviri \| Operating Segments \| Harsco Rail \| Railway Track Maintenance Equipment
Disaggregation of Revenue [Line Items]
Total revenues	20,703	33,068
New Enviri \| Operating Segments \| Harsco Rail \| After-market Parts and Services; Safety and Diagnostic Technology
Disaggregation of Revenue [Line Items]
Total revenues	28,955	22,915
New Enviri \| Operating Segments \| Harsco Rail \| Railway Contracting Services
Disaggregation of Revenue [Line Items]
Total revenues	17,673	13,964
New Enviri \| Operating Segments \| Harsco Rail \| North America
Disaggregation of Revenue [Line Items]
Total revenues	39,618	36,976
New Enviri \| Operating Segments \| Harsco Rail \| Western Europe
Disaggregation of Revenue [Line Items]
Total revenues	21,886	27,224
New Enviri \| Operating Segments \| Harsco Rail \| Latin America
Disaggregation of Revenue [Line Items]
Total revenues	1,622	1,800
New Enviri \| Operating Segments \| Harsco Rail \| Asia-Pacific
Disaggregation of Revenue [Line Items]
Total revenues	4,160	3,947
New Enviri \| Operating Segments \| Harsco Rail \| Middle East and Africa
Disaggregation of Revenue [Line Items]
Total revenues	45	0
New Enviri \| Operating Segments \| Harsco Rail \| Eastern Europe
Disaggregation of Revenue [Line Items]
Total revenues	$ 0	$ 0

Debt and Credit Agreements

3 Months Ended

Mar. 31, 2026

Debt Disclosure [Abstract]

Long-term debt consists of the following:


(In thousands)	March 31 2026		December 31 2025

Senior Secured Credit Facilities:
Term Loan	$	476,250	$	477,500


Revolving Credit Facility	557,000		526,000
5.75% Senior Notes	475,000		475,000
Other financing payable (including finance leases) in varying amounts	84,175		88,501
Total debt obligations	1,592,425		1,567,001
Less: deferred financing costs	(9,839)		(10,818)
Total debt obligations, net of deferred financing costs	1,582,586		1,556,183
Less: current maturities of long-term debt	(25,835)		(25,874)
Long-term debt	$	1,556,751	$	1,530,309

In February 2026, the Company amended its Senior Secured Credit Facilities to extend the maturity date of its $50.0 million non-extended revolving credit facility from March 10, 2026 to the earlier of (i) July 1, 2026 and (ii) the date on which the Company's Clean Earth segment is sold to Veolia in connection with the Company's Merger Agreement.

In November 2025, the Company entered into an amendment to the Credit Agreement to, among other things, modify certain levels of its total Net Debt to Consolidated Adjusted EBITDA ratio covenant and permit a distribution of the Company’s Clean Earth business, together with certain related transactions, including repayments of certain of the Company's existing indebtedness. The Company obtained the amendment because its forward-looking projections indicated that it may not meet the minimum level required by the net leverage coverage ratio and to allow for the strategic alternatives it is currently evaluating. As a result of this amendment, the total Net Debt to Consolidated Adjusted EBITDA ratio covenant was set to 5.50x for the quarters ended March 31, 2026, June 30, 2026 and September 30, 2026, 5.00x for the quarter ended December 31, 2026 and 4.50x for the quarter ended March 31, 2027. After giving effect to the distribution of the Company’s Clean Earth business, the total Net Debt to Consolidated Adjusted EBITDA ratio covenant will be set at 3.00x. The Company expects that it will maintain compliance with the amended covenants based on current forecasts. The Company capitalized $1.8 million of fees incurred related to the amendment.

In February 2025, the Company entered into an amendment to the Credit Agreement to reset the levels of its covenants, among other changes. As a result of this amendment, the total Net Debt to Consolidated Adjusted EBITDA ratio covenant was set to 5.00x for the quarter ended September 30, 2025 and then decreases every six months by 0.25x until reaching 4.00x for the quarter ended June 30, 2027 and thereafter. These covenants were amended as noted in the preceding paragraph. The interest coverage ratio was set to a minimum of 2.50x for each quarter ended after December 31, 2024.

At March 31, 2026, the Company was in compliance with all covenants for its Senior Secured Credit Facilities, as amended in February 2026, as the total Net Debt to Consolidated Adjusted EBITDA ratio was 4.98x and the total interest coverage ratio was 2.78x. Based on balances and covenants in effect at March 31, 2026, the Company could increase Net Debt by $156.9 million and still be in compliance with these debt covenants. Alternatively, Consolidated Adjusted EBITDA could decrease by $28.5 million or interest expense could increase by $11.9 million and the Company would remain in compliance with these covenants.

The Company believes it will continue to maintain compliance with these amended covenants based on its current outlook. However, the Company's estimates of compliance with these covenants could change in the future with a deterioration in economic conditions including softness in certain markets, changes to tariffs, higher than forecasted interest rate increases, the timing of working capital including the collection of receivables, an inability to realize increased pricing and implement cost reduction initiatives that mitigate the impacts of inflation and other factors that may adversely impact its compliance with covenants.

Facility Fees and Debt-Related Income (Expense)

The components of the Condensed Consolidated Statements of Operations caption Facility fees and debt-related income (expense) were as follows:


	Three Months Ended
	March 31
(In thousands)		2026		2025

Unused debt commitment and amendment fees		$	(75)	$	(188)
Securitization and factoring fees		(2,219)		(2,424)
Facility fees and debt-related income (expense)		$	(2,294)	$	(2,612)

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Debt and Credit Agreements - New Enviri

3 Months Ended

Mar. 31, 2026

Debt and Credit Agreements

Long-term debt consists of the following:


(In thousands)	March 31 2026		December 31 2025

Senior Secured Credit Facilities:
Term Loan	$	476,250	$	477,500


Revolving Credit Facility	557,000		526,000
5.75% Senior Notes	475,000		475,000
Other financing payable (including finance leases) in varying amounts	84,175		88,501
Total debt obligations	1,592,425		1,567,001
Less: deferred financing costs	(9,839)		(10,818)
Total debt obligations, net of deferred financing costs	1,582,586		1,556,183
Less: current maturities of long-term debt	(25,835)		(25,874)
Long-term debt	$	1,556,751	$	1,530,309

Facility Fees and Debt-Related Income (Expense)

The components of the Condensed Consolidated Statements of Operations caption Facility fees and debt-related income (expense) were as follows:


	Three Months Ended
	March 31
(In thousands)		2026		2025

Unused debt commitment and amendment fees		$	(75)	$	(188)
Securitization and factoring fees		(2,219)		(2,424)
Facility fees and debt-related income (expense)		$	(2,294)	$	(2,612)

Debt and Credit Agreements

Long-term debt consists of the following:


(In thousands)	March 31 2026		December 31 2025
Senior Secured Credit Facilities:
Term Loan	$	476,250	$	477,500
Revolving Credit Facility	557,000		526,000
5.75% Senior Notes	475,000		475,000
Other financing payable (including finance leases) in varying amounts	24,607		26,763
Total debt obligations	1,532,857		1,505,263
Less: deferred financing costs	(9,839)		(10,818)
Total debt obligations, net of deferred financing costs	1,523,018		1,494,445
Less: current maturities of long-term debt	(14,011)		(14,373)
Long-term debt	$	1,509,007	$	1,480,072

In November 2025, the Company entered into an amendment to the Credit Agreement to, among other things, modify certain levels of its total Net Debt to Consolidated Adjusted EBITDA ratio covenant and permit a distribution of the Company’s Clean Earth business, together with certain related transactions, including repayments of certain of the Company's existing indebtedness. The Company obtained the amendment because its forward-looking projections indicated that it may not meet the minimum level required by the net leverage coverage ratio and to allow for the strategic alternatives it is currently evaluating. As a result of this amendment, the total Net Debt to Consolidated Adjusted EBITDA ratio covenant was set to 5.50x for the quarters ended March 31, 2026, June 30, 2026 and September 30, 2026, 5.00x for the quarter ended December 31, 2026 and 4.50x for the quarter ended March 31, 2027. After giving effect to the distribution of the Company’s Clean Earth business, the total Net Debt to Consolidated Adjusted EBITDA ratio covenant will be set at 3.00x. New Enviri expects that it will maintain compliance with the amended covenants based on current forecasts. New Enviri capitalized $1.8 million of fees incurred related to the amendment.

In February 2025, the Company entered into an amendment to the Credit Agreement to reset the levels of its covenants, among other changes. As a result of this amendment, the total Net Debt to Consolidated Adjusted EBITDA ratio covenant was set to 5.00x for the quarter ended September 30, 2025, and then decreases every six months by 0.25x until reaching 4.00x for the quarter ended June 30, 2027 and thereafter. These covenants were amended as noted in the preceding paragraph. The interest coverage ratio was set to a minimum of 2.50x for each quarter ended after December 31, 2024.

The Credit Agreement imposes certain restrictions including, but not limited to, restrictions as to types and amounts of debt of liens that may be incurred by New Enviri; limitations on increases in dividend payments; limitations on repurchases of New Enviri's stock and limitations on certain acquisitions by New Enviri.

With respect to the Senior Secured Credit Facilities, the obligations of New Enviri are guaranteed by substantially all of New Enviri’s current and future wholly-owned domestic subsidiaries (“Guarantors”). All obligations under the Senior Credit Facility, and the guarantees of those obligations, are secured, subject to certain exceptions, by substantially all of New Enviri’s assets and the assets of the Guarantors.

The Credit Agreement requires certain mandatory prepayments of the Term Loan, subject to certain exceptions, based on net cash proceeds of certain sales or distributions of assets, as well as certain casualty and condemnation events, in some cases subject to reinvestment rights and certain other exceptions; net cash proceeds of any issuance of debt, excluding permitted debt issuances; and a percentage of excess cash flow, as defined by the Credit Agreement, during a fiscal year.

Facility Fees and Debt-Related Income (Expense)

The components of the Condensed Combined Statements of Operations caption Facility fees and debt-related income (expense) were as follows:


	Three Months Ended
	March 31
(In thousands)	2026		2025
Unused debt commitment and amendment fees	$	(75)	$	(188)
Securitization and factoring fees	(2,219)		(2,424)
Facility fees and debt-related income (expense)	$	(2,294)	$	(2,612)

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-8A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 17: http://www.xbrl.org/2003/role/disclosureRef
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Reference 18: http://www.xbrl.org/2003/role/disclosureRef
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Reference 19: http://www.xbrl.org/2003/role/disclosureRef
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Reference 20: http://www.xbrl.org/2003/role/disclosureRef
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Reference 21: http://www.xbrl.org/2003/role/disclosureRef
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Reference 22: http://www.xbrl.org/2003/role/disclosureRef
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Reference 23: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Revenues - Revenues by Primary Geographical Markets (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Disaggregation of Revenue [Line Items]
Total revenues	$ 549,803	$ 547,907
Environmental services related to resource recovery for metals manufacturing and related logistical services
Disaggregation of Revenue [Line Items]
Total revenues	240,425	227,205
Ecoproducts
Disaggregation of Revenue [Line Items]
Total revenues	12,213	10,692
Environmental systems for aluminum dross and scrap processing
Disaggregation of Revenue [Line Items]
Total revenues	4,079	5,209
Railway Track Maintenance Equipment
Disaggregation of Revenue [Line Items]
Total revenues	20,703	33,068
After-market Parts and Services; Safety and Diagnostic Technology
Disaggregation of Revenue [Line Items]
Total revenues	28,955	22,915
Railway Contracting Services
Disaggregation of Revenue [Line Items]
Total revenues	17,673	13,964
Hazardous waste processing solutions
Disaggregation of Revenue [Line Items]
Total revenues	188,807	197,594
Soil and dredged materials processing and reuse solutions
Disaggregation of Revenue [Line Items]
Total revenues	36,948	37,260
North America
Disaggregation of Revenue [Line Items]
Total revenues	324,471	327,056
Western Europe
Disaggregation of Revenue [Line Items]
Total revenues	118,325	124,868
Latin America
Disaggregation of Revenue [Line Items]
Total revenues	42,175	33,924
Asia-Pacific
Disaggregation of Revenue [Line Items]
Total revenues	34,517	32,511
Middle East and Africa
Disaggregation of Revenue [Line Items]
Total revenues	25,533	25,349
Eastern Europe
Disaggregation of Revenue [Line Items]
Total revenues	4,782	4,199
Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	549,803	547,907
Operating Segments \| Harsco Environmental
Disaggregation of Revenue [Line Items]
Total revenues	256,717	243,106
Operating Segments \| Harsco Environmental \| Environmental services related to resource recovery for metals manufacturing and related logistical services
Disaggregation of Revenue [Line Items]
Total revenues	240,425	227,205
Operating Segments \| Harsco Environmental \| Ecoproducts
Disaggregation of Revenue [Line Items]
Total revenues	12,213	10,692
Operating Segments \| Harsco Environmental \| Environmental systems for aluminum dross and scrap processing
Disaggregation of Revenue [Line Items]
Total revenues	4,079	5,209
Operating Segments \| Harsco Environmental \| Railway Track Maintenance Equipment
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Harsco Environmental \| After-market Parts and Services; Safety and Diagnostic Technology
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Harsco Environmental \| Railway Contracting Services
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Harsco Environmental \| Hazardous waste processing solutions
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Harsco Environmental \| Soil and dredged materials processing and reuse solutions
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Harsco Environmental \| North America
Disaggregation of Revenue [Line Items]
Total revenues	59,098	55,226
Operating Segments \| Harsco Environmental \| Western Europe
Disaggregation of Revenue [Line Items]
Total revenues	96,439	97,644
Operating Segments \| Harsco Environmental \| Latin America
Disaggregation of Revenue [Line Items]
Total revenues	40,553	32,124
Operating Segments \| Harsco Environmental \| Asia-Pacific
Disaggregation of Revenue [Line Items]
Total revenues	30,357	28,564
Operating Segments \| Harsco Environmental \| Middle East and Africa
Disaggregation of Revenue [Line Items]
Total revenues	25,488	25,349
Operating Segments \| Harsco Environmental \| Eastern Europe
Disaggregation of Revenue [Line Items]
Total revenues	4,782	4,199
Operating Segments \| Clean Earth
Disaggregation of Revenue [Line Items]
Total revenues	225,755	234,854
Operating Segments \| Clean Earth \| Environmental services related to resource recovery for metals manufacturing and related logistical services
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Clean Earth \| Ecoproducts
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Clean Earth \| Environmental systems for aluminum dross and scrap processing
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Clean Earth \| Railway Track Maintenance Equipment
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Clean Earth \| After-market Parts and Services; Safety and Diagnostic Technology
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Clean Earth \| Railway Contracting Services
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Clean Earth \| Hazardous waste processing solutions
Disaggregation of Revenue [Line Items]
Total revenues	188,807	197,594
Operating Segments \| Clean Earth \| Soil and dredged materials processing and reuse solutions
Disaggregation of Revenue [Line Items]
Total revenues	36,948	37,260
Operating Segments \| Clean Earth \| North America
Disaggregation of Revenue [Line Items]
Total revenues	225,755	234,854
Operating Segments \| Clean Earth \| Western Europe
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Clean Earth \| Latin America
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Clean Earth \| Asia-Pacific
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Clean Earth \| Middle East and Africa
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Clean Earth \| Eastern Europe
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Harsco Rail
Disaggregation of Revenue [Line Items]
Total revenues	67,331	69,947
Operating Segments \| Harsco Rail \| Environmental services related to resource recovery for metals manufacturing and related logistical services
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Harsco Rail \| Ecoproducts
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Harsco Rail \| Environmental systems for aluminum dross and scrap processing
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Harsco Rail \| Railway Track Maintenance Equipment
Disaggregation of Revenue [Line Items]
Total revenues	20,703	33,068
Operating Segments \| Harsco Rail \| After-market Parts and Services; Safety and Diagnostic Technology
Disaggregation of Revenue [Line Items]
Total revenues	28,955	22,915
Operating Segments \| Harsco Rail \| Railway Contracting Services
Disaggregation of Revenue [Line Items]
Total revenues	17,673	13,964
Operating Segments \| Harsco Rail \| Hazardous waste processing solutions
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Harsco Rail \| Soil and dredged materials processing and reuse solutions
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments \| Harsco Rail \| North America
Disaggregation of Revenue [Line Items]
Total revenues	39,618	36,976
Operating Segments \| Harsco Rail \| Western Europe
Disaggregation of Revenue [Line Items]
Total revenues	21,886	27,224
Operating Segments \| Harsco Rail \| Latin America
Disaggregation of Revenue [Line Items]
Total revenues	1,622	1,800
Operating Segments \| Harsco Rail \| Asia-Pacific
Disaggregation of Revenue [Line Items]
Total revenues	4,160	3,947
Operating Segments \| Harsco Rail \| Middle East and Africa
Disaggregation of Revenue [Line Items]
Total revenues	45	0
Operating Segments \| Harsco Rail \| Eastern Europe
Disaggregation of Revenue [Line Items]
Total revenues	$ 0	$ 0

Commitments and Contingencies - New Enviri

3 Months Ended

Mar. 31, 2026

Commitments and Contingencies

Environmental

The Company is involved in a number of environmental remediation investigations and cleanups and, along with other companies, has been identified as a potentially responsible party ("PRP") for certain byproduct disposal sites. While each of these matters is subject to various uncertainties, it is probable that the Company will agree to make payments toward funding certain of these activities, and it is possible that some of these matters will be decided unfavorably to the Company. The Company has evaluated its potential liability and its financial exposure is dependent upon such factors as the continuing evolution of environmental laws and regulatory requirements, the availability and application of technology, the allocation of cost among potentially responsible parties, the years of remedial activity required and the remediation methods selected.

The Company evaluates its liability for future environmental remediation costs on a quarterly basis. Although actual costs to be incurred at identified sites in future periods may vary from the estimates, given inherent uncertainties in evaluating environmental exposures, the Company does not expect that any costs that are reasonably possible to be incurred by the Company in connection with environmental matters in excess of the amounts accrued would have a material adverse effect on the Company's financial condition, results of operations or cash flows.

The following table summarizes information related to the location and undiscounted amount of the Company's environmental liabilities:


(In thousands)	March 31 2026		December 31 2025
Current portion of environmental liabilities (a)	$	12,573	$	12,736
Long-term environmental liabilities	38,019		38,256
Total environmental liabilities	$	50,592	$	50,992

(a) The current portion of environmental liabilities is included in the caption Other current liabilities on the Condensed Consolidated Balance Sheets.

Legal Proceedings

In the ordinary course of business, the Company is a defendant or party to various claims and lawsuits, including those discussed below. Unless stated otherwise below, the Company has not determined a loss to be probable or estimable for the legal proceedings.

On January 27, 2020, the EPA issued a Notice of Potential Liability to the Company, along with several other companies, concerning the Newtown Creek Superfund Site located in Kings and Queens Counties in New York, which alleges certain facilities formerly owned or operated by subsidiaries of the Company may have resulted in the discharge of hazardous substances into Newtown Creek or its Dutch Kills tributary. The site has been subject to CERCLA response activities since approximately 2011. The EPA expects to issue a Record of Decision for the sitewide cleanup plan no sooner than 2028 and announced, in July 2021, that it would defer its decision on a potential early action response for the lower two miles of the Creek until the site-wide studies are completed. On August 28, 2024, the EPA released a proposed plan for clean up of the East Branch portion of Newtown Creek. On January 17, 2025, the EPA released its decision approving this early action remedy for the East Branch. The Company is one of 30 PRPs that have received notices, though it is believed other PRPs may exist. The Company vigorously contests the allegations of this notice and currently does not believe that this matter will have a material effect on the Company’s condensed consolidated financial statements.

The Company has had ongoing meetings with the SCE over processing salt cakes, a processing byproduct, stored at the Al Hafeerah site. The Company’s Bahrain operations that produced the salt cakes have ceased operations. An Environmental Impact Assessment and Technical Feasibility Study for facilities to process the salt cakes was approved by the SCE during the first quarter of 2018. Commissioning of the facilities was completed during the third quarter of 2021 and the processing of the salt cakes has commenced, with the expectation that the Company would be able to sell the products that resulted from the processing in an amount that would cover the processing costs. During the fourth quarter of 2024, the Company concluded that, despite significant commercial efforts and ongoing discussions with the SCE, it could not sufficiently recover the processing costs from these sales as it had previously estimated and, as such, recorded an additional provision of $27.2 million. During the fourth quarter of 2025, the Company recorded an additional provision of $5.0 million based on the current expected recovery of the processing costs, including the agreement to sell a significant quantity of processed material to a regional buyer. The Company is currently exploring other options to resolve this matter in a cost-effective manner, including engaging certain entities to remove the remaining salt cakes from Bahrain, subject to a suitability analysis. The Company's current reserve of $27.0 million at March 31, 2026 represents the Company's best estimate of the net costs to fully resolve this matter. The Company will continue to evaluate this reserve and any future change in estimated costs which could be material to the Company’s results of operations in any single period.

On July 27, 2018, Brazil’s Federal and Rio de Janeiro State Public Prosecution Offices (the "MPF" and "MPE", respectively) filed a Civil Public Action against CSN, one of the Company's customers, the Company’s Brazilian subsidiary, the Municipality of Volta Redonda, Brazil, and the Instituto Estadual do Ambiente, the state of Rio de Janeiro's environmental protection agency, seeking the implementation of various measures to limit and reduce the accumulation of customer-owned slag at the site in Brazil. On August 6, 2018, the 3rd Federal Court in Volta Redonda (the "3rd Volta Redonda Court") granted the MPF and MPE an injunction against the defendants requiring, among other things, CSN and the Company’s Brazilian subsidiary to limit the volume of slag sent to the site. Because the customer owns the site and the slag located on the site, the Company believes that complying with this injunction is the steel producer’s responsibility. Nevertheless, the 3rd Volta Redonda Court issued two orders fining the Company and CSN for what it viewed as violations of the injunction. The Company appealed the fines and the underlying injunction and, beginning on March 25, 2022, the 3rd Volta Redonda Court entered a series of orders suspending the litigation proceedings and staying any additional fines and interest accruals while the parties discuss a possible resolution to the matter. The aggregate amount of fines levied against the Company, exclusive of interest, is approximately 32 million Brazilian reais (or approximately $6 million as of March 31, 2026). On October 5, 2024, the 3rd Volta Redonda Court determined that, as of August 1, 2024, the Company was not responsible for complying with the injunction because the Company no longer operates at the site. In May 2025, the authorities issued a settlement proposal in which CSN would perform remediation at the site and pay approximately 264 million Brazilian reais (or approximately $50 million as of March 31, 2026) and the Company would pay approximately 66 million Brazilian reais (or approximately $13 million as of March 31, 2026) for alleged environmental damage. The Company disputes that environmental damage was caused by the accumulation of slag and, as such, does not agree with the proposed payment. The Company and the other parties continue to discuss a potential resolution related to the portion of the authorities' claims that allegedly occurred prior to August 1, 2024. On September 30, 2025, the public prosecutors pursuing the Civil Public Action initiated a criminal proceeding before the 2nd Federal Court in Volta Redonda (the "2nd Volta Redonda Court") against CSN and the Company and is seeking 431 million Brazilian reais (or approximately $82 million as of March 31, 2026) from the two companies. A majority of the amount sought in this proceeding is identical to, and overlaps with, the damages sought in the Civil Public Action. The 2nd Volta Redonda Court has accepted the complaint from the public prosecutors, and both CSN and the Company submitted their respective defenses in January 2026. The Company denies that any environmental damage occurred and will defend itself vigorously. Because of multiple defenses available, including that the slag is inert and not harmful to the environment, and that the slag deposits do not belong to it, the Company does not believe that a loss relating to this matter is probable.

In October 2021, the Company received a subpoena and two indictments before the Amsterdam District Court in the Netherlands concerning the Company's operations at a customer site in Ijmuiden, Netherlands. The Amsterdam Public Prosecutor’s Office ("APPO") issued two indictments against the Company, alleging violations in connection with dust releases and/or events alleged to have occurred in 2018 through May 2020 at the site. The action cited provisions which permit fines for the alleged infractions and sought €0.1 million in fines with a smaller amount held in abeyance. On February 2, 2022, the APPO announced that it would further investigate residents’ claims related to this matter. On February 25, 2022, the Amsterdam District Court ruled that the Company was liable for only one alleged violation and that this alleged violation was unintentional. The court issued a fine of €5 thousand, to be held in abeyance. Both the Company and the APPO appealed this ruling. On July 19, 2024, the Court of Appeals ruled that the Company was liable for two intentional violations and issued a fine of €25 thousand. Both the Company and the APPO appealed this ruling. On April 23, 2025, the APPO withdrew its appeal of the Court of Appeal's ruling from July 19, 2024 and the Company withdrew its reciprocal appeal on May 8, 2025. As such, the Court of Appeal's July 19, 2024 ruling has become final and binding. The Company is vigorously contesting all allegations against it and is also working with its customer to ensure the control of emissions. The Company has contractual indemnity rights from its customer that it believes will substantially cover any fines or penalties. Due to multiple defenses available to the Company, including that the majority of the alleged issues relate the customer's operations, the Company does not believe a loss is probable or potentially material.

On March 22, 2022, the EPA issued a Notice of Intent to File an Administrative Complaint ("NOI") alleging violations of the federal Emergency Planning and Community Right-to-Know Act at the Company’s facilities in Tacoma, WA and Kent, WA. The NOI relates largely to the period when Stericycle owned and operated the sites. The NOI proposes a penalty of $3.0 million. The investigation is ongoing and the Company has recorded a liability of $0.6 million as its best estimate to resolve this matter. Since that time, the EPA has expanded coverage of this matter to additional facilities, but has not provided an update to the proposed penalty to-date. While it is the Company’s position that it has recourse for some or all liabilities, if any, that arise from this matter under the ESOL purchase agreement and representations and warranties insurance policies purchased by the Company, there can be no assurances that the Company’s position will ultimately prevail.

DEA Investigation

Prior to the Company’s acquisition of ESOL, Stericycle, Inc. notified the Company that the DEA had served an administrative subpoena on Stericycle, Inc. and executed a search warrant at a facility in Rancho Cordova, CA and an administrative inspection warrant at a facility in Indianapolis, IN. The Company has determined that the DEA and the DTSC have launched investigations involving, at least in part, the ESOL business of collecting, transporting, and destroying controlled substances from retail customers that transferred from Stericycle, Inc. to the Company. The Company is cooperating with these inquiries, which relate primarily to the period before the Company owned the ESOL business. Since the acquisition of the ESOL business, the Company has performed a vigorous review of ESOL’s compliance program related to controlled substances and has made material changes to the manner in which controlled substances are transported from retail customers to DEA-registered facilities for destruction. Pursuant to an agreement with Stericycle, the Company has contractual recourse for any material loss the Company has determined may be reasonably possible. On May 29, 2026, the Department of Justice announced a more than $56 million settlement with Stericycle to resolve investigations into its handling of controlled substances between 2015 and 2020. The settlement amounts are assessed against Stericycle and are non-indemnifiable. The Company has not accrued any amounts in respect of these investigations and does not believe a loss is reasonably possible.

Brazilian Tax Dispute

On December 30, 2020, the Company received an assessment from the municipal tax authority in Ipatinga, Brazil, alleging $2.0 million in unpaid service taxes from the period 2015 to 2020. This dispute is currently in the collection action phase of the legal process and the amount assessed includes interest charges that may increase at statutorily determined amounts per month and are assessed on the aggregate amount of the principal and penalties. In addition, while in the collection action phase, the losing party could be subject to a charge to cover statutorily mandated legal fees, which are generally calculated as a percentage of the total assessed amounts due, inclusive of penalty and interest. After calculating the interest and penalties accrued, the Company estimates that the current overall potential liability for this case is approximately $7.6 million as of March 31, 2026. On July 21, 2023, the Company filed the last administrative appeal against the decision that maintained the assessment and a final administrative decision is still pending. Due to the multiple defenses that are available, the Company does not believe a loss is probable and, as a result, no loss provision has been recorded in the Company's Condensed Consolidated Financial Statements and the Company does not expect that any costs that are reasonably possible to be incurred by the Company in connection with this tax dispute would have a material adverse effect on the Company's financial condition, results of operations or cash flows.

The Company intends to continue its practice of vigorously defending itself against this tax claim under various alternatives, including judicial appeal. The Company will continue to evaluate its potential liability with regard to this claim on a quarterly basis; however, it is not possible to predict the ultimate outcome.

Asbestos Actions

The Company is named as one of many defendants in legal actions in the U.S. alleging personal injury from exposure to airborne asbestos over the past several decades. In their suits, the plaintiffs have named as defendants, among others, many manufacturers, distributors and installers of numerous types of equipment or products that allegedly contained asbestos.

As of March 31, 2026, there were approximately 17,000 pending asbestos personal injury actions filed against the Company. The vast majority of these actions were filed in the New York Supreme Court (New York County), of which the majority of such actions were on the Deferred/Inactive Docket created by the New York Supreme Court in December 2002 for all pending and future asbestos actions filed by persons who cannot demonstrate that they have a malignant condition or discernible physical impairment. A relatively small portion of cases are on the Active or In Extremis docket in New York County or on active dockets in other jurisdictions. The complaints in most of those actions generally follow a form that contains a standard demand of significant damages, regardless of the individual plaintiff's alleged medical condition, and without identifying any Company product.

The Company will continue to vigorously defend against such claims and is confident that it will be successful in doing so. The Company has never been a producer, manufacturer or processor of asbestos fibers. Any asbestos-containing part of a Company product used in the past was purchased from a supplier and the asbestos encapsulated in other materials such that airborne exposure, if it occurred, was not harmful and is not associated with the types of injuries alleged in the pending actions.

The Company has liability insurance coverage under various primary and excess policies that the Company believes will be available, if necessary, to substantially cover any liability that might ultimately be incurred in the asbestos actions referred to above. The costs and expenses of the asbestos actions are being paid by the Company's insurers.

In view of the persistence of asbestos litigation in the U.S., the Company expects to continue to receive additional claims in the future. The Company intends to continue its practice of vigorously defending these claims and cases. As of March 31, 2026, the Company has successfully dismissed approximately 28,500 cases by stipulation or summary judgment prior to trial.

It is not possible to predict the ultimate outcome of asbestos-related actions in the U.S. due to the unpredictable nature of this litigation, and no loss provision has been recorded in the Company's condensed consolidated financial statements because a loss contingency is not deemed probable or estimable. Despite this uncertainty, and although results of operations and cash flows for a given period could be adversely affected by asbestos-related actions, the Company does not expect that any costs that are reasonably possible to be incurred by the Company in connection with asbestos litigation would have a material adverse effect on the Company's financial condition, results of operations or cash flows.

Other

The Company is subject to various other claims and legal proceedings covering a wide range of matters that arose in the ordinary course of business. In the opinion of management, all such matters are adequately covered by insurance or by established reserves, and, if not so covered, are without merit or are of such kind, or involve such amounts, as would not have a material adverse effect on the financial position, results of operations or cash flows of the Company.

Insurance liabilities are recorded when it is probable that a liability has been incurred for a particular event and the amount of loss associated with the event can be reasonably estimated. Insurance reserves have been estimated based primarily upon actuarial calculations and reflect the undiscounted estimated liabilities for ultimate losses, including claims incurred but not reported. Inherent in these estimates are assumptions that are based on the Company's history of claims and losses, a detailed analysis of existing claims with respect to potential value, and current legal and legislative trends. If actual claims differ from those projected by management, changes (either increases or decreases) to insurance reserves may be required and would be recorded through income in the period the change was determined. When a recognized liability has been determined to be covered by third-party insurance, the Company records an insurance claim receivable to reflect the covered liability. Insurance claim receivables are included in Other receivables on the Company's Condensed Consolidated Balance Sheets. See Note 1, Summary of Significant Accounting Policies to the Company's audited consolidated financial statements in the Information Statement, under Accrued Insurance and Loss Reserves, for additional information.

Commitments and Contingencies

Environmental

New Enviri is involved in a number of environmental remediation investigations and cleanups and, along with other companies, has been identified as a potentially responsible party ("PRP") for certain byproduct disposal sites. While each of these matters is subject to various uncertainties, it is probable that New Enviri will agree to make payments toward funding certain of these activities, and it is possible that some of these matters will be decided unfavorably to New Enviri. New Enviri has evaluated its potential liability and its financial exposure is dependent upon such factors as the continuing evolution of environmental laws and regulatory requirements, the availability and application of technology, the allocation of cost among potentially responsible parties, the years of remedial activity required and the remediation methods selected.

New Enviri evaluates its liability for future environmental remediation costs on a quarterly basis. Although actual costs to be incurred at identified sites in future periods may vary from the estimates, given inherent uncertainties in evaluating environmental exposures, New Enviri does not expect that any costs that are reasonably possible to be incurred by New Enviri in connection with environmental matters in excess of the amounts accrued would have a material effect on New Enviri's financial condition, results of operations or cash flows.

The following table summarizes information related to the location and undiscounted amount of New Enviri's environmental liabilities:


(In thousands)	March 31 2026		December 31 2025
Current portion of environmental liabilities (a)	$	8,637	$	9,020
Long-term environmental liabilities	19,105		19,105
Total environmental liabilities	$	27,742	$	28,125

(a) The current portion of environmental liabilities is included in the caption Other current liabilities on the Condensed Combined Balance Sheets.

Legal Proceedings

In the ordinary course of business, New Enviri is a defendant or party to various claims and lawsuits, including those discussed below. Unless stated otherwise below, New Enviri has not determined a loss to be probable or estimable for the legal proceedings.

On January 27, 2020, the EPA issued a Notice of Potential Liability to the Company along with several other companies, concerning the Newtown Creek Superfund Site located in Kings and Queens Counties in New York, which alleges certain facilities formerly owned or operated by subsidiaries of the Company may have resulted in the discharge of hazardous substances into Newtown Creek or its Dutch Kills tributary. The site has been subject to CERCLA response activities since approximately 2011. The EPA expects to issue a Record of Decision for the sitewide cleanup plan no sooner than 2028 and announced, in July 2021, that it would defer its decision on a potential early action response for the lower two miles of the Creek until the site-wide studies are completed. On August 28, 2024, the EPA released a proposed plan for clean up of the East Branch portion of Newtown Creek. On January 17, 2025, the EPA released its decision approving this early action remedy for the East Branch. The Company is one of 30 PRPs that have received notices, though it is believed other PRPs may exist. New Enviri vigorously contests the allegations of this notice and currently does not believe that this matter will have a material effect on New Enviri’s financial position or results from operations.

New Enviri has had ongoing meetings with the SCE over processing salt cakes, a processing byproduct, stored at the Al Hafeerah site. New Enviri’s Bahrain operations that produced the salt cakes have ceased operations. An Environmental Impact Assessment and Technical Feasibility Study for facilities to process the salt cakes was approved by the SCE during the first quarter of 2018. Commissioning of the facilities was completed during the third quarter of 2021 and the processing of the salt cakes has commenced, with the expectation that New Enviri would be able to sell the products that resulted from the processing in an amount that would cover the processing costs. During the fourth quarter of 2024, New Enviri concluded that, despite significant commercial efforts and ongoing discussions with the SCE, it could not sufficiently recover the processing costs from these sales as it had previously estimated and, as such, recorded an additional provision of $27.2 million. During the fourth quarter of 2025, New Enviri recorded an additional provision of $5.0 million based on the current expected recovery of the processing costs, including the agreement to sell a significant quantity of processed material to a regional buyer. New Enviri is currently exploring other options to resolve this matter in a cost-effective manner, including engaging certain entities to remove the remaining salt cakes from Bahrain, subject to a suitability analysis. New Enviri's current reserve of $27.0 million at March 31, 2026 represents New Enviri's best estimate of the net costs to fully resolve this matter. New Enviri will continue to evaluate this reserve and any future change in estimated costs which could be material to New Enviri’s results of operations in any single period.

On July 27, 2018, Brazil’s Federal and Rio de Janeiro State Public Prosecution Offices (the "MPF" and "MPE", respectively) filed a Civil Public Action against CSN, one of New Enviri's customers, New Enviri’s Brazilian subsidiary, the Municipality of Volta Redonda, Brazil, and the Instituto Estadual do Ambiente, the state of Rio de Janeiro's environmental protection agency, seeking the implementation of various measures to limit and reduce the accumulation of customer-owned slag at the site in Brazil. On August 6, 2018, the 3rd Federal Court in Volta Redonda (the "Volta Redonda Court") granted the MPF and MPE an injunction against the defendants requiring, among other things, CSN and New Enviri’s Brazilian subsidiary to limit the volume of slag sent to the site. Because the customer owns the site and the slag located on the site, New Enviri believes that complying with this injunction is the steel producer’s responsibility. Nevertheless, the Volta Redonda Court issued two orders fining New Enviri and CSN for what it viewed as violations of the injunction. New Enviri appealed the fines and the underlying injunction and, beginning on March 25, 2022, the Volta Redonda Court entered a series of orders suspending the litigation proceedings and staying any additional fines and interest accruals while the parties discuss a possible resolution to the matter. The aggregate amount of fines levied against New Enviri, exclusive of interest, is approximately 32 million Brazilian reais (or approximately $6 million as of March 31, 2026). On October 5, 2024, the 3rd Volta Redonda Court determined that, as of August 1, 2024, New Enviri was not responsible for complying with the injunction because New Enviri no longer operates at the site. In May 2025, the authorities issued a settlement proposal in which CSN would perform remediation at the site and pay approximately 264 million Brazilian reais (or approximately $50 million as of March 31, 2026) and New Enviri would pay approximately 66 million Brazilian reais (or approximately $13 million as of March 31, 2026) for alleged environmental damage. New Enviri disputes that environmental damage was caused by the accumulation of slag and, as such, does not agree with the proposed payment. New Enviri and the other parties continue to discuss a potential resolution related to the portion of the authorities' claims that allegedly occurred prior to August 1, 2024. On September 30, 2025, the public prosecutors pursuing the Civil Public Action initiated a criminal proceeding before the 2nd Federal Court in Volta Redonda (the "2nd Volta Redonda Court") against CSN and New Enviri and is seeking 431 million Brazilian reais (or approximately $82 million as of March 31, 2026) from the two companies. A majority of the amount sought in this proceeding is identical to, and overlaps with, the damages sought in the Civil Public Action. The 2nd Volta Redonda Court has accepted the complaint from the public prosecutors, and both CSN and New Enviri submitted their respective defenses in January 2026. New Enviri denies that any environmental damage occurred and will defend itself vigorously. Because of multiple defenses available, including that the slag is inert and not harmful to the environment, and that the slag deposits do not belong to it, New Enviri does not believe that a loss relating to this matter is probable.

In October 2021, New Enviri received a subpoena and two indictments before the Amsterdam District Court in the Netherlands concerning New Enviri's operations at a customer site in Ijmuiden, Netherlands. The Amsterdam Public Prosecutor’s Office ("APPO") issued two indictments against New Enviri, alleging violations in connection with dust releases and/or events alleged to have occurred in 2018 through May 2020 at the site. The action cited provisions which permit fines for the alleged infractions and sought €0.1 million in fines with a smaller amount held in abeyance. On February 2, 2022, the APPO announced that it would further investigate residents’ claims related to this matter. On February 25, 2022, the Amsterdam District Court ruled that New Enviri was liable for only one alleged violation and that this alleged violation was unintentional. The court issued a fine of €5.0 thousand, to be held in abeyance. Both New Enviri and the APPO appealed this ruling. An appellate hearing was held on July 5, 2024, with the APPO seeking €0.3 million in fines. On July 19, 2024, the Court of Appeals ruled that New Enviri was liable for two alleged intentional violations and issued a fine of €25 thousand. Both New Enviri and the APPO have appealed this ruling. On April 23, 2025, the APPO withdrew its appeal of the Court of Appeal's ruling from July 19, 2024 and New Enviri withdrew its reciprocal appeal on May 8, 2025. As such, the Court of Appeal's July 19, 2024 ruling has become final and binding. New Enviri is vigorously contesting all allegations against it and is also working with its customer to ensure the control of emissions. New Enviri has contractual indemnity rights from its customer that it believes will substantially cover any fines or penalties. Due to multiple defenses available to New Enviri, including that the majority of the alleged issues relate to the customer's operations, New Enviri does not believe a loss is probable or potentially material.

Brazilian Tax Dispute

On December 30, 2020, New Enviri received an assessment from the municipal authority in Ipatinga, Brazil, alleging $2.0 million in unpaid service taxes from the period 2015 to 2020. This dispute is currently in the collection action phase of the legal process and the amount assessed includes interest charges that may increase at statutorily determined amounts per month and are assessed on the aggregate amount of the principal and penalties. In addition, while in the collection action phase, the losing party could be subject to a charge to cover statutorily mandated legal fees, which are generally calculated as a percentage of the total assessed amounts due, inclusive of penalty and interest. After calculating the interest and penalties accrued, New Enviri estimates that the current overall potential liability for this case is approximately $7.6 million as of March 31, 2026. On July 21, 2023, New Enviri filed the last administrative appeal against the decision that maintained the assessment and a final administrative decision is still pending. Due to the multiple defenses that are available, New Enviri does not believe a loss is probable and, as a result, no loss provision has been recorded in New Enviri's Condensed Combined Financial Statements and New Enviri does not expect that any costs that are reasonably possible to be incurred by New Enviri in connection with this tax dispute would have a material adverse effect on New Enviri's financial condition, results of operations or cash flows.

New Enviri intends to continue its practice of vigorously defending itself against this tax claim under various alternatives, including judicial appeal. New Enviri will continue to evaluate its potential liability with regard to this claim on a quarterly basis; however, it is not possible to predict the ultimate outcome.

Brazilian Labor Disputes

New Enviri is subject to ongoing collective bargaining and individual labor claims in Brazil in HE which allege, among other things, New Enviri’s failure to pay required amounts for overtime and vacation at certain sites. New Enviri is vigorously defending itself against these claims; however, litigation is inherently unpredictable, particularly in foreign jurisdictions. While New Enviri does not currently expect that the ultimate resolution of these claims will have a material adverse effect on New Enviri’s combined financial condition, results of operations or cash flows, it is not possible to predict the ultimate outcome of these labor-related disputes.

Orion Metals Mining Pty. Ltd.

On July 11, 2018, New Enviri entered into an agreement with Orion Metals Mining Pty Ltd. (“Orion”) to provide slag processing services at Orion’s Highveld facility in South Africa. On October 3, 2018, New Enviri received a demand letter from Orion, asserting that New Enviri had failed to maintain minimum monthly processing requirements in breach of said agreement. The parties entered arbitration, with Orion filing a Statement of Claim on February 15, 2019, asserting approximately $28.5 million in damages for alleged claims for misrepresentation, rescission, and breach of contract. On September 4, 2019, New Enviri counterclaimed, asserting approximately $3.4 million against Orion and its sureties for damages arising from Orion’s unlawful repudiation of the agreement. The matter thereafter became dormant, with Orion taking no action to prosecute its claims for nearly five years. In March 2025, Orion sought to revive the proceedings and its claims. On August 22, 2025, New Enviri brought a dismissal application seeking an award that Orion’s claims be dismissed for inordinate and inexcusable delay, which Orion has opposed. New Enviri vigorously contests all allegations against it. Due to the multiple defenses and counterclaims available, New Enviri does not believe a loss is probable or estimable at this time.

Asbestos Actions

New Enviri is named as one of many defendants in legal actions in the U.S. alleging personal injury from exposure to airborne asbestos over the past several decades. In their suits, the plaintiffs have named as defendants, among others, many manufacturers, distributors and installers of numerous types of equipment or products that allegedly contained asbestos.

As of March 31, 2026, there were approximately 17,000 pending asbestos personal injury actions filed against New Enviri. The vast majority of these actions were filed in the New York Supreme Court (New York County), of which the majority of such actions were on the Deferred/Inactive Docket created by the New York Supreme Court in December 2002 for all pending and future asbestos actions filed by persons who cannot demonstrate that they have a malignant condition or discernible physical impairment. A relatively small portion of cases are on the Active or In Extremis docket in New York County or on active dockets in other jurisdictions. The complaints in most of those actions generally follow a form that contains a standard demand of significant damages, regardless of the individual plaintiff's alleged medical condition, and without identifying any New Enviri product.

New Enviri will continue to vigorously defend against such claims and is confident that it will be successful in doing so. New Enviri has never been a producer, manufacturer or processor of asbestos fibers. Any asbestos-containing part of a New Enviri product used in the past was purchased from a supplier and the asbestos encapsulated in other materials such that airborne exposure, if it occurred, was not harmful and is not associated with the types of injuries alleged in the pending actions.

New Enviri has liability insurance coverage under various primary and excess policies that New Enviri believes will be available, if necessary, to substantially cover any liability that might ultimately be incurred in the asbestos actions referred to above. The costs and expenses of the asbestos actions are being paid by New Enviri's insurers.

In view of the persistence of asbestos litigation in the U.S., New Enviri expects to continue to receive additional claims in the future. New Enviri intends to continue its practice of vigorously defending these claims and cases. As of March 31, 2026, New Enviri has successfully dismissed approximately 28,500 cases by stipulation or summary judgment prior to trial.

It is not possible to predict the ultimate outcome of asbestos-related actions in the U.S. due to the unpredictable nature of this litigation, and no loss provision has been recorded in New Enviri's Condensed Combined Financial Statements because a loss contingency is not deemed probable or estimable. Despite this uncertainty, and although results of operations and cash flows for a given period could be adversely affected by asbestos-related actions, New Enviri does not expect that any costs that are reasonably possible to be incurred by New Enviri in connection with asbestos litigation would have a material adverse effect on New Enviri's financial condition, results of operations or cash flows.

Other

New Enviri is subject to various other claims and legal proceedings covering a wide range of matters that arose in the ordinary course of business. In the opinion of management, all such matters are adequately covered by insurance or by established reserves, and, if not so covered, are without merit or are of such kind, or involve such amounts, as would not have a material adverse effect on the financial position, results of operations or cash flows of New Enviri.

Insurance liabilities are recorded when it is probable that a liability has been incurred for a particular event and the amount of loss associated with the event can be reasonably estimated. Insurance reserves have been estimated based primarily upon actuarial calculations and reflect the undiscounted estimated liabilities for ultimate losses, including claims incurred but not reported. Inherent in these estimates are assumptions that are based on New Enviri's history of claims and losses, a detailed analysis of existing claims with respect to potential value, and current legal and legislative trends. If actual claims differ from those projected by management, changes (either increases or decreases) to insurance reserves may be required and would be recorded through income in the period the change was determined. When a recognized liability has been determined to be covered by third-party insurance, New Enviri records an insurance claim receivable to reflect the covered liability. Insurance claim receivables are included in Other receivables on New Enviri's Condensed Combined Balance Sheets. See Note 3, Summary of Significant Accounting Policies in New Enviri’s audited combined financial statements for the year ended December 31, 2025, that was filed in Enviri II's Registration Statement on Form 10, as filed with the SEC on March 20, 2026, and declared effective on May 11, 2026, under Accrued Insurance and Loss Reserves, for additional information.

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Property, Plant and Equipment [Abstract]

Trade Accounts Receivables and Other Receivables - Schedule of Changes in Provisions For Allowance For Credit Loss - New Enviri (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]
Change in provision for expected credit losses	$ 232	$ (272)
New Enviri
Accounts, Notes, Loans and Financing Receivable [Line Items]
Change in provision for expected credit losses	$ 90	$ 106

Inventories - Schedule of Inventory (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Inventory Disclosure [Abstract]
Finished goods	$ 8,721	$ 11,057
Work-in-process	14,809	13,679
Raw materials and purchased parts	101,549	107,056
Stores and supplies	48,197	48,756
Total inventories	$ 173,276	$ 180,548

Property, Plant and Equipment

3 Months Ended

Mar. 31, 2026

Property, Plant and Equipment

PP&E consist of the following:


(In thousands)	March 31 2026		December 31 2025
Land and improvements	$	97,718	$	95,324

Buildings and improvements	254,336		250,452
Machinery and equipment	1,723,342		1,731,009
Uncompleted construction	52,130		47,837
Gross property, plant and equipment	2,127,526		2,124,622
Less: Accumulated depreciation	(1,437,435)		(1,424,958)
Property, plant and equipment, net	$	690,091	$	699,664

Other Expense (Income), Net

3 Months Ended

Mar. 31, 2026

Other Income and Expenses [Abstract]

Other Expense (Income), Net

The major components of this Condensed Consolidated Statements of Operations caption were as follows:


	Three Months Ended
	March 31
(In thousands)		2026		2025
Employee termination benefit costs		$	745	$	2,518
Other costs for exit activities (a)		12,334		1,958

Asset impairments		—		583


Net gains on sale of assets		(218)		(768)

Other expense (income), net		$	12,861	$	4,291

(a) Includes costs related to the planned sale of Clean Earth

Debt and Credit Agreements - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 31, 2026 USD ($)	Feb. 28, 2026 USD ($)	Nov. 30, 2025 USD ($)	Feb. 28, 2025
Debt Instrument [Line Items]
Debt Instrument, Covenant, Net Debt to Consolidated Adjusted EBITDA Ratio			3.00
Debt Instrument, Covenant, EBITDA Ratio, Quarterly Decrease				0.25
Debt Instrument, Covenant, Interest Rate Coverage Ratio, Maximum				2.50
Consolidated Adjusted EBITDA To Consolidated Interest Charges Ratio	2.78
Debt Covenant Period One
Debt Instrument [Line Items]
Debt Instrument, Covenant, EBITDA Ratio, Maximum				5.00
Debt Covenant Period Two
Debt Instrument [Line Items]
Debt Instrument, Covenant, EBITDA Ratio, Maximum			5.50	4.00
Debt Covenant Period Three
Debt Instrument [Line Items]
Debt Instrument, Covenant, EBITDA Ratio, Maximum			5.00
Debt Covenant Period Four
Debt Instrument [Line Items]
Debt Instrument, Covenant, EBITDA Ratio, Maximum			4.50
Revolving Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Facility limit		$ 50.0
Capitalized fees			$ 1.8
Total net debt to consolidated adjusted EBITDA ratio	4.98
Debt Instrument, Covenant, Maximum Borrowing Capacity Increase	$ 156.9
Debt Instrument, Covnenat, Decrease in Adjusted EBITDA	28.5
Debt Instrument, Covenant, Increase in Interest Expense	$ 11.9

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - New Enviri (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Foreign currency translation adjustments, deferred income taxes	$ (1,375)	$ 1,956
Net gain (loss) on cash flow hedging instruments, deferred income taxes	(435)	783
Unrealized gain (loss) on marketable securities, deferred income taxes	0	1
New Enviri
Foreign currency translation adjustments, deferred income taxes	0	11
Net gain (loss) on cash flow hedging instruments, deferred income taxes	13	(60)
Unrealized gain (loss) on marketable securities, deferred income taxes	$ 0	$ 1

Review of Operations by Segment (Tables)

3 Months Ended

Mar. 31, 2026

Segment Reporting [Abstract]

Schedule of operations by segment



	Three Months Ended March 31, 2026
(in thousands)	Harsco Environmental	Clean Earth	Harsco Rail	Total Reportable Segments		Corporate	Total
Segment Profit and Loss:
Total revenues	256,717	225,755	67,331	$	549,803	—	$	549,803
Less:
Cost of services and products sold	218,007	168,860	57,972	444,839		—	444,839
Selling, general and administrative expenses	27,943	41,013	11,758	80,714		10,742	91,456




Other segment activities (a)	738	104	798	1,640		11,075	12,715

Operating income (loss) from continuing operations	10,029	15,778	(3,197)	$	22,610	(21,817)	$	793
Plus:
Interest income							473
Interest expense							(27,833)
Facility fees and debt-related income (expense)							(2,294)
Defined benefit pension income (expense)							(3,936)
Income (loss) from continuing operations before income taxes and equity in income							$	(32,797)

Other Segment Information:
Depreciation	27,896	11,103	1,196	$	40,195	233	$	40,428
Amortization (b)	572	5,938	285	$	6,795	1,049	$	7,844
Capital expenditures	17,407	14,423	1,768	$	33,598	129	$	33,727



	Three Months Ended March 31, 2025
(in thousands)	Harsco Environmental	Clean Earth	Harsco Rail	Total Reportable Segments		Corporate	Total
Segment Profit and Loss:
Total revenues	243,106	234,854	69,947	$	547,907	—	$	547,907
Less:
Cost of services and products sold	202,017	173,619	49,417	425,053		—	425,053
Selling, general and administrative expenses	26,628	38,962	11,582	77,172		11,936	89,108




Other segment activities (a)	4,388	(15)	1,810	6,183		(1,698)	4,485

Operating income (loss) from continuing operations	10,073	22,288	7,138	$	39,499	(10,238)	$	29,261
Plus:
Interest income							454
Interest expense							(26,574)
Facility fees and debt-related income (expense)							(2,612)
Defined benefit pension income (expense)							(5,201)
Income (loss) from continuing operations before income taxes and equity in income							$	(4,672)

Other Segment Information:
Depreciation	25,509	9,620	1,032	$	36,161	281	$	36,442
Amortization (b)	540	5,845	67	$	6,452	951	$	7,403
Capital expenditures	14,094	6,652	780	$	21,526	98	$	21,624

(b) Amortization expense in Corporate relates to the amortization of deferred financing costs.

Basis of Presentation - Revision of Statements of Operations (Details) - USD ($)
$ / shares in Units, $ in Thousands

3 Months Ended

Mar. 31, 2026

Mar. 31, 2025

$ 549,803

$ 547,907

549,010

518,646

793

29,261

Income (loss) from continuing operations before income taxes and equity in income

(3,936)

(5,201)

(32,797)

(4,672)

Income tax benefit (expense) from continuing operations

24,387

(2,001)

Net income (loss) attributable to Enviri Corporation

(9,538)

(7,812)

(10,665)

(9,013)

Amounts attributable to Enviri Corporation common stockholders:

Income (loss) from continuing operations, net of tax

(9,514)

(7,846)

Net income (loss) attributable to Enviri Corporation

$ (10,665)

$ (9,013)

Basic earnings (loss) per common share attributable to Enviri Corporation common stockholders:

Basic earnings (loss) per share attributable to Harsco Corporation common stockholders (in dollars per share)

$ (0.12)

$ (0.10)

^[1]

(0.13)

(0.11)

Diluted earnings (loss) per common share attributable to Enviri Corporation common stockholders:

Diluted earnings (loss) per share attributable to Enviri Corporation common stockholders (in dollars per share)

(0.12)

(0.10)

^[1]

$ (0.13)

$ (0.11)

As Previously Reported

$ 548,284

517,629

30,655

Income (loss) from continuing operations before income taxes and equity in income

(5,033)

(3,110)

Income tax benefit (expense) from continuing operations

(7,946)

Net income (loss) attributable to Enviri Corporation

(12,195)

(13,396)

Amounts attributable to Enviri Corporation common stockholders:

Income (loss) from continuing operations, net of tax

(12,229)

Net income (loss) attributable to Enviri Corporation

$ (13,396)

Basic earnings (loss) per common share attributable to Enviri Corporation common stockholders:

Basic earnings (loss) per share attributable to Harsco Corporation common stockholders (in dollars per share)

$ (0.15)

(0.17)

Diluted earnings (loss) per common share attributable to Enviri Corporation common stockholders:

Diluted earnings (loss) per share attributable to Enviri Corporation common stockholders (in dollars per share)

(0.15)

$ (0.17)

Revision

$ (377)

1,017

(1,394)

Income (loss) from continuing operations before income taxes and equity in income

(168)

(1,562)

Income tax benefit (expense) from continuing operations

5,945

Net income (loss) attributable to Enviri Corporation

4,383

4,383

Amounts attributable to Enviri Corporation common stockholders:

Income (loss) from continuing operations, net of tax

4,383

Net income (loss) attributable to Enviri Corporation

$ 4,383

Basic earnings (loss) per common share attributable to Enviri Corporation common stockholders:

Basic earnings (loss) per share attributable to Harsco Corporation common stockholders (in dollars per share)

$ 0.05

0.05

Diluted earnings (loss) per common share attributable to Enviri Corporation common stockholders:

Diluted earnings (loss) per share attributable to Enviri Corporation common stockholders (in dollars per share)

0.05

$ 0.05

Service Revenues

$ 484,025

$ 476,463

Service Revenues | As Previously Reported

381,964

372,402

Service Revenues | Revision

476,840

(377)

Product Revenues

65,778

71,444

Product Revenues | As Previously Reported

$ 62,264

52,378

Product Revenues | Revision

51,361

Other Income and Expenses [Abstract]

$ 1,017

[1]	Earnings (loss) per share attributable to Enviri Corporation common stockholders is calculated based on actual amounts. As a result, these per share amounts may not total due to rounding.

Basis of Presentation - Revision of Statements of Equity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning balance	$ 295,587	$ 429,666
Net income (loss)	(9,538)	(7,812)
Total other comprehensive income	4,788	8,114
Vesting of restricted stock units and other stock grants, net	(5,878)	(1,357)
Vesting of performance share units, net	(10,837)	(122)
Amortization of unearned stock-based compensation, net of forfeitures	2,329	4,044
Ending balance	274,911	432,533
Total other comprehensive income, deferred income taxes	$ (2,006)	$ 2,487
Vesting of restricted stock units and other stock grants (in shares)	427,651	284,643
Vesting of performance share units (in shares)	726,189	14,860
As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning balance		$ 449,599
Net income (loss)		(12,195)
Total other comprehensive income		8,718
Vesting of restricted stock units and other stock grants, net		(1,357)
Vesting of performance share units, net		(122)
Amortization of unearned stock-based compensation, net of forfeitures		4,044
Ending balance		448,687
Revision
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning balance		(19,933)
Net income (loss)		4,383
Total other comprehensive income		(604)
Vesting of restricted stock units and other stock grants, net		0
Vesting of performance share units, net		0
Amortization of unearned stock-based compensation, net of forfeitures		0
Ending balance		(16,154)
Common Stock Issued
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning balance	$ 149,519	146,844
Vesting of restricted stock units and other stock grants, net	943	636
Vesting of performance share units, net	1,636	35
Ending balance	152,334	147,515
Common Stock Issued \| As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning balance		146,844
Vesting of restricted stock units and other stock grants, net		636
Vesting of performance share units, net		35
Ending balance		147,515
Common Stock Issued \| Revision
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning balance		0
Vesting of restricted stock units and other stock grants, net		0
Vesting of performance share units, net		0
Ending balance		0
Common Stock Treasury
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning balance	(864,646)	(851,881)
Vesting of restricted stock units and other stock grants, net	(5,878)	(1,357)
Vesting of performance share units, net	(10,837)	(122)
Ending balance	(882,901)	(853,360)
Common Stock Treasury \| As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning balance		(851,881)
Vesting of restricted stock units and other stock grants, net		(1,357)
Vesting of performance share units, net		(122)
Ending balance		(853,360)
Common Stock Treasury \| Revision
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning balance		0
Vesting of restricted stock units and other stock grants, net		0
Vesting of performance share units, net		0
Ending balance		0
Additional Paid-in Capital
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning balance	273,436	255,102
Vesting of restricted stock units and other stock grants, net	(943)	(636)
Vesting of performance share units, net	(1,636)	(35)
Amortization of unearned stock-based compensation, net of forfeitures	2,329	4,044
Ending balance	272,950	258,475
Additional Paid-in Capital \| As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning balance		255,102
Vesting of restricted stock units and other stock grants, net		(636)
Vesting of performance share units, net		(35)
Amortization of unearned stock-based compensation, net of forfeitures		4,044
Ending balance		258,475
Additional Paid-in Capital \| Revision
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning balance		0
Vesting of restricted stock units and other stock grants, net		0
Vesting of performance share units, net		0
Amortization of unearned stock-based compensation, net of forfeitures		0
Ending balance		0
Retained Earnings
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning balance	1,211,234	1,378,835
Net income (loss)	(10,665)	(9,013)
Ending balance	1,200,569	1,369,822
Retained Earnings \| As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning balance		1,400,347
Net income (loss)		(13,396)
Ending balance		1,386,951
Retained Earnings \| Revision
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning balance		(21,512)
Net income (loss)		4,383
Ending balance		(17,129)
AOCI Attributable to Parent
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning balance	(514,481)	(537,385)
Total other comprehensive income	4,708	7,747
Ending balance	(509,773)	(529,638)
AOCI Attributable to Parent \| As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning balance		(538,964)
Total other comprehensive income		8,351
Ending balance		(530,613)
AOCI Attributable to Parent \| Revision
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning balance		1,579
Total other comprehensive income		(604)
Ending balance		975
Noncontrolling Interests
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning balance	40,525	38,151
Net income (loss)	1,127	1,201
Total other comprehensive income	80	367
Ending balance	$ 41,732	39,719
Noncontrolling Interests \| As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning balance		38,151
Net income (loss)		1,201
Total other comprehensive income		367
Ending balance		39,719
Noncontrolling Interests \| Revision
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning balance		0
Net income (loss)		0
Total other comprehensive income		0
Ending balance		$ 0

Trade Accounts Receivables and Other Receivables - Narrative - New Enviri (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Jun. 30, 2022	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025	Feb. 28, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable		$ 296,442		$ 278,488
Accounts receivable past due by twelve months or more		6,000
New Enviri
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable		237,688		229,687
Accounts receivable past due by twelve months or more		5,700
Related party notes payable		189,000		182,100
Greater than 12 months
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable		8,300
Greater than 12 months \| New Enviri
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable		7,500
PNC
Accounts, Notes, Loans and Financing Receivable [Line Items]
AR facility term	3 years
Accounts receivable securitization, maximum purchase commitment					$ 160,000
Total outstanding trade receivables sold and derecognized		160,000		160,000
Accounts receivable from securitization		57,900		47,500
Additional proceeds		0	$ 10,000
PNC \| New Enviri
Accounts, Notes, Loans and Financing Receivable [Line Items]
AR facility term	3 years
Accounts receivable securitization, maximum purchase commitment					$ 160,000
Total outstanding trade receivables sold and derecognized		160,000		160,000
Accounts receivable from securitization		57,900		$ 47,500
Additional proceeds		$ 0	$ 10,000

Derivative Instruments, Hedging Activities and Fair Value - Instrument Not Designated As Hedging Instrument - New Enviri (Details) - Foreign currency exchange forward contracts - Cost of services and products sold - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Derivative [Line Items]
Amount of Gain (Loss) Recognized in Income on Derivatives	$ 11,486	$ (15,156)
New Enviri
Derivative [Line Items]
Amount of Gain (Loss) Recognized in Income on Derivatives	$ 11,486	$ (15,156)

Insider Trading Arrangements	3 Months Ended
Insider Trading Arrangements	Mar. 31, 2026
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

Other Expense (Income), Net (Tables)

3 Months Ended

Mar. 31, 2026

Schedule of other (income) expenses

The major components of this Condensed Consolidated Statements of Operations caption were as follows:


	Three Months Ended
	March 31
(In thousands)		2026		2025
Employee termination benefit costs		$	745	$	2,518
Other costs for exit activities (a)		12,334		1,958

Asset impairments		—		583


Net gains on sale of assets		(218)		(768)

Other expense (income), net		$	12,861	$	4,291

(a) Includes costs related to the planned sale of Clean Earth

Basis of Presentation - New Enviri (Policies)	3 Months Ended
Basis of Presentation - New Enviri (Policies)	Mar. 31, 2026
Basis of Presentation [Line Items]
Basis of Presentation	Basis of Presentation The Company has prepared these unaudited condensed consolidated financial statements in accordance with U.S. GAAP for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X of the SEC. Accordingly, the unaudited Condensed Consolidated Financial Statements do not include all information and disclosure required by U.S. GAAP for annual financial statements. The December 31, 2025 Condensed Consolidated Balance Sheet information contained in this Quarterly Report on Form 10-Q was derived from the 2025 audited consolidated financial statements. These unaudited Condensed Consolidated Financial Statements should be read in conjunction with the audited Consolidated Financial Statements, including the notes thereto, included in New Enviri's Information Statement (the "Information Statement"), dated May 8, 2026, attached as Exhibit 99.1 to New Enviri's Current Report on Form 8-K furnished to the SEC on May 11, 2026. In the opinion of management, all adjustments (all of which are of a normal recurring nature) that are necessary for a fair statement are reflected in these unaudited Condensed Consolidated Financial Statements. As used in this section, the term the “Company” means Enviri Corporation, a Delaware corporation, and its direct and indirect subsidiaries prior to the completion of the Holding Company Merger.
Recently Adopted and Recently Issued Accounting Standards	Recently Adopted and Recently Issued Accounting Standards The following accounting standards were adopted during the three months ended March 31, 2026: The Company adopted a change issued by the FASB that provides an optional practical expedient for estimating future credit losses on current accounts receivable and current contract assets that arise from certain contracts with customers. The adoption of this change did not have a material impact on the Company's financial statements. The Company adopted changes issued by the FASB, which required greater disaggregation of income tax disclosures, related to the income tax rate reconciliation and income taxes paid for each annual reporting period. The Company applied the new disclosure requirements prospectively to its annual report for the year ended December 31, 2025.The adoption of these changes did not have a material impact on the Company's consolidated financial statements. The following accounting standards have been issued and become effective for the Company at a future date: In December 2025, the FASB issued an update that provides authoritative guidance on the recognition, measurement and presentation of government grants received by business entities. This update defines government grants and establishes recognition criteria and disclosure requirements. This update becomes effective starting with the Company's annual financial statements for the year ended December 31, 2028 and includes the interim periods within each annual reporting period. Early adoption is permitted. The Company is currently evaluating the impact that this update will have on the Company's financial statements. In November 2024, the FASB issued changes which require disaggregated disclosure of income statement expenses within the footnotes to the financial statement for each interim and annual reporting period. The changes become effective starting with the Company's annual financial statements for the year ended December 31, 2027 and will be in effect for the Company's interim financial statements after December 31, 2027. The guidance should be applied on a prospective basis with the option to apply the standard retrospectively. Early adoption is permitted. The Company is currently evaluating the impact that this change will have on the Company's disclosures.
New Enviri
Basis of Presentation [Line Items]
Basis of Presentation	Basis of Presentation New Enviri has prepared these unaudited Condensed Combined Financial Statements as of May 11, 2026 and in accordance with U.S. GAAP for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X of the SEC. Accordingly, the unaudited Condensed Combined Financial Statements do not include all information and disclosure required by U.S. GAAP for annual financial statements. The December 31, 2025 Condensed Combined Balance Sheets information contained in this Quarterly Report on Form 10-Q was derived from the 2025 audited Combined Financial Statements. These unaudited Condensed Combined Financial Statements should be read in conjunction with the audited combined financial statements, including the notes thereto, included in New Enviri's Information Statement (the "Information Statement"), dated May 8, 2026, attached as Exhibit 99.1 to New Enviri's Current Report on Form 8-K furnished to the SEC on May 11, 2026. In the opinion of management, all adjustments (all of which are of a normal recurring nature) that are necessary for a fair statement are reflected in these unaudited Condensed Combined Financial Statements. The operations comprising New Enviri are in two segments – HE and Rail, all of which are wholly owned by Enviri. Accordingly, Enviri’s net investment in these operations is shown in lieu of stockholders' equity in the Condensed Combined Financial Statements.
Recently Adopted and Recently Issued Accounting Standards	Recently Adopted and Recently Issued Accounting Standards The following accounting standards were adopted during the three months ended March 31, 2026: New Enviri adopted a change issued by the FASB that provides an optional practical expedient for estimating future credit losses on current accounts receivable and current contract assets that arise from certain contracts with customers. The adoption of this change did not have a material impact on New Enviri's financial statements. New Enviri adopted changes issued by the FASB, which required greater disaggregation of income tax disclosures, related to the income tax rate reconciliation and income taxes paid for each annual reporting period. New Enviri applied the new disclosure requirements prospectively to its audited combined financial statements in the Information Statement for the year ended December 31, 2025.The adoption of these changes did not have a material impact on New Enviri’s combined financial statements. The following accounting standards have been issued and become effective for New Enviri at a future date: In December 2025, the FASB issued an update that provides authoritative guidance on the recognition, measurement and presentation of government grants received by business entities. This update defines government grants and establishes recognition criteria and disclosure requirements. This update becomes effective starting with New Enviri's annual financial statements for the year ended December 31, 2028 and includes the interim periods within each annual reporting period. Early adoption is permitted. New Enviri is currently evaluating the impact that this update will have on New Enviri's financial statements. In November 2024, the FASB issued changes which require disaggregated disclosure of income statement expenses within the footnotes to the financial statement for each interim and annual reporting period. The changes become effective starting with New Enviri's annual financial statements for the year ended December 31, 2027 and will be in effect for New Enviri's interim financial statements after December 31, 2027. The guidance should be applied on a prospective basis with the option to apply the standard retrospectively. Early adoption is permitted. New Enviri is currently evaluating the impact that this change will have on its disclosures.

Components of Accumulated Other Comprehensive Loss - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	$ 295,587	$ 429,666
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	1,027	3,695
Amounts reclassified from AOCI, net of tax	3,761	4,419
Total other comprehensive income (loss)	4,788	8,114
Less: OCI attributable to noncontrolling interests	(80)	(367)
Ending balance	274,911	432,533
Cumulative Foreign Exchange Translation Adjustments
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	(199,071)	(229,257)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(6,378)	15,101
Amounts reclassified from AOCI, net of tax	0	0
Total other comprehensive income (loss)	(6,378)	15,101
Less: OCI attributable to noncontrolling interests	(80)	(367)
OCI attributable to Enviri Corporation	(6,458)	14,734
Ending balance	(205,529)	(214,523)
Effective Portion of Derivatives Designated as Hedging Instruments
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	15	3,769
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	1,912	(2,824)
Amounts reclassified from AOCI, net of tax	(656)	27
Total other comprehensive income (loss)	1,256	(2,797)
Less: OCI attributable to noncontrolling interests	0	0
OCI attributable to Enviri Corporation	1,256	(2,797)
Ending balance	1,271	972
Cumulative Unrecognized Actuarial Losses on Pension Obligations
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	(315,450)	(311,919)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	5,493	(8,580)
Amounts reclassified from AOCI, net of tax	4,417	4,392
Total other comprehensive income (loss)	9,910	(4,188)
Less: OCI attributable to noncontrolling interests	0	0
OCI attributable to Enviri Corporation	9,910	(4,188)
Ending balance	(305,540)	(316,107)
Unrealized Gain (Loss) on Marketable Securities
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	25	22
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	(2)
Amounts reclassified from AOCI, net of tax	0	0
Total other comprehensive income (loss)	0	(2)
Less: OCI attributable to noncontrolling interests	0	0
OCI attributable to Enviri Corporation	0	(2)
Ending balance	25	20
Accumulated Other Comprehensive Loss
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	(514,481)	(537,385)
Total other comprehensive income (loss)	4,708	7,747
OCI attributable to Enviri Corporation	4,708	7,747
Ending balance	$ (509,773)	$ (529,638)

Basis of Presentation (Tables)

3 Months Ended

Mar. 31, 2026

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of revisions of financial statements

The impact of revising the Condensed Consolidated Statements of Operations for the period presented is as follows:


	Three Months Ended March 31, 2025
(In thousands, except per share amounts)	As Previously Reported		Revision		As Revised
Revenues from continuing operations:
Service revenues	$	476,840	$	(377)	$	476,463

Total revenues	548,284		(377)		547,907

Costs and expenses from continuing operations:

Cost of products sold	51,361		1,017		52,378
Total costs and expenses	517,629		1,017		518,646
Operating income (loss) from continuing operations	30,655		(1,394)		29,261

Defined benefit pension income (expense)	(5,033)		(168)		(5,201)
Income (loss) from continuing operations before income taxes and equity in income	(3,110)		(1,562)		(4,672)
Income tax benefit (expense) from continuing operations	(7,946)		5,945		(2,001)
Net income (loss)	(12,195)		4,383		(7,812)
Net income (loss) attributable to Enviri Corporation	$	(13,396)	$	4,383	$	(9,013)

Amounts attributable to Enviri Corporation common stockholders:
Income (loss) from continuing operations, net of tax	$	(12,229)	$	4,383	$	(7,846)
Net income (loss) attributable to Enviri Corporation common stockholders	$	(13,396)	$	4,383	$	(9,013)

Basic earnings (loss) per share attributable to Enviri Corporation common stockholders: (a)
Continuing operations	$	(0.15)	$	0.05	$	(0.10)
Basic earnings (loss) per share attributable to Enviri Corporation common stockholders	$	(0.17)	$	0.05	$	(0.11)

Diluted earnings (loss) per share attributable to Enviri Corporation common stockholders: (a)
Continuing operations	$	(0.15)	$	0.05	$	(0.10)
Diluted earnings (loss) per share attributable to Enviri Corporation common stockholders	$	(0.17)	$	0.05	$	(0.11)

(a) Earnings (loss) per share attributable to Enviri Corporation common stockholders is calculated based on actual amounts. As a result, these per share amounts may not total due to rounding.

The impact of revising the Condensed Consolidated Statements of Comprehensive Income (Loss) for the period presented is as follows:


	Three Months Ended March 31, 2025
(In thousands, except per share amounts)	As Previously Reported		Revision		As Revised
Net income (loss)	$	(12,195)	$	4,383	$	(7,812)
Other comprehensive income (loss):
Foreign currency translation adjustments, net of deferred taxes	15,723		(622)		15,101
Pension liability adjustment, net of deferred taxes	(4,206)		18		(4,188)
Total other comprehensive income (loss)	8,718		(604)		8,114
Total comprehensive income (loss)	(3,477)		3,779		302
Comprehensive income (loss) attributable to Enviri Corporation	$	(5,045)	$	3,779	$	(1,266)

The impact of revising the Condensed Consolidated Statements of Cash Flows for the period presented is as follows:


	Three Months Ended March 31, 2025
(In thousands, except per share amounts)	As Previously Reported		Revision		As Revised
Cash flows from operating activities:
Net income (loss)	$	(12,195)	$	4,383	$	(7,812)
Deferred income tax (benefit) expense	2,776		(5,599)		(2,823)
Changes in assets and liabilities, net of acquisitions and dispositions of businesses:
Accounts receivable	(13,501)		377		(13,124)
Inventories	(8,995)		1,017		(7,978)
Retirement plan liabilities, net	4,488		168		4,656
Other assets and liabilities	8,034		(346)		7,688
Net cash (used) provided by operating activities	6,600		—		6,600
Net cash used by investing activities	(18,447)		—		(18,447)
Net cash (used) provided by financing activities	26,127		—		26,127
Effect of exchange rate changes on cash and cash equivalents, including restricted cash	(9)		—		(9)
Net increase (decrease) in cash and cash equivalents, including restricted cash	14,271		—		14,271
Cash and cash equivalents, including restricted cash, at beginning of period	90,158		—		90,158
Cash and cash equivalents, including restricted cash, at end of period	$	104,429	$	—	$	104,429

The impact of revising the Condensed Consolidated Statements of Equity for all periods presented is as follows:


	As Previously Reported
	Enviri Corporation Stockholders’ Equity
	Common Stock				Additional Paid-in Capital		Retained Earnings		Accumulated Other Comprehensive Loss		Noncontrolling Interests
(In thousands, except share amounts)	Issued		Treasury										Total
Balances, December 31, 2024	$	146,844	$	(851,881)	$	255,102	$	1,400,347	$	(538,964)	$	38,151	$	449,599
Net income (loss)	—		—		—		(13,396)		—		1,201		(12,195)
Total other comprehensive income (loss), net of deferred income taxes of $2,487	—		—		—		—		8,351		367		8,718
Vesting of restricted stock units and other stock grants, net 284,643 shares	636		(1,357)		(636)		—		—		—		(1,357)
Vesting of performance share units, net 14,860 shares	35		(122)		(35)		—		—		—		(122)
Amortization of unearned stock-based compensation, net of forfeitures	—		—		4,044		—		—		—		4,044
Balances, March 31, 2025	$	147,515	$	(853,360)	$	258,475	$	1,386,951	$	(530,613)	$	39,719	$	448,687


	Revision
	Enviri Corporation Stockholders’ Equity
	Common Stock				Additional Paid-in Capital		Retained Earnings		Accumulated Other Comprehensive Loss		Noncontrolling Interests
(In thousands, except share amounts)	Issued		Treasury										Total
Balances, December 31, 2024	$	—	$	—	$	—	$	(21,512)	$	1,579	$	—	$	(19,933)
Net income (loss)	—		—		—		4,383		—		—		4,383
Total other comprehensive income (loss)	—		—		—		—		(604)		—		(604)
Vesting of restricted stock units and other stock grants	—		—		—		—		—		—		—
Vesting of performance share units	—		—		—		—		—		—		—
Amortization of unearned stock-based compensation, net of forfeitures	—		—		—		—		—		—		—
Balances, March 31, 2025	$	—	$	—	$	—	$	(17,129)	$	975	$	—	$	(16,154)


	As Revised
	Enviri Corporation Stockholders’ Equity
	Common Stock				Additional Paid-in Capital		Retained Earnings		Accumulated Other Comprehensive Loss		Noncontrolling Interests
(In thousands, except share amounts)	Issued		Treasury										Total
Balances, December 31, 2024	$	146,844	$	(851,881)	$	255,102	$	1,378,835	$	(537,385)	$	38,151	$	429,666
Net income (loss)	—		—		—		(9,013)		—		1,201		(7,812)

Total other comprehensive income (loss), net of deferred income taxes of $2,487	—		—		—		—		7,747		367		8,114
Vesting of restricted stock units and other stock grants, net 284,643 shares	636		(1,357)		(636)		—		—		—		(1,357)
Vesting of performance share units, net 14,860 shares	35		(122)		(35)		—		—		—		(122)
Amortization of unearned stock-based compensation, net of forfeitures	—		—		4,044		—		—		—		4,044
Balances, March 31, 2025	$	147,515	$	(853,360)	$	258,475	$	1,369,822	$	(529,638)	$	39,719	$	432,533

CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 105,697	$ 103,671
Restricted cash	15,779	21,677
Trade accounts receivable, net	285,516	267,439
Other receivables	40,328	46,930
Inventories	173,276	180,548
Current portion of contract assets	32,217	26,968
Prepaid expenses	52,983	61,996
Other current assets	16,314	11,452
Total current assets	722,110	720,681
Property, plant and equipment, net	690,091	699,664
Right-of-use assets, net	133,073	132,323
Goodwill	753,858	758,680
Intangible assets, net	266,508	273,088
Retirement plan assets	55,740	55,743
Deferred income tax assets	24,142	11,419
Other assets	58,587	57,073
Total assets	2,704,109	2,708,671
Current liabilities:
Short-term borrowings	8,699	11,490
Current maturities of long-term debt	25,835	25,874
Accounts payable	257,326	239,650
Accrued compensation	74,804	67,331
Income taxes payable	5,006	4,083
Reserve for forward losses on contracts	56,743	61,037
Current portion of advances on contracts	8,825	7,982
Derivative liabilities	14,122	20,839
Current portion of operating lease liabilities	29,924	30,077
Other current liabilities	159,408	165,661
Total current liabilities	640,692	634,024
Long-term debt	1,556,751	1,530,309
Retirement plan liabilities	25,912	26,208
Operating lease liabilities	105,538	104,654
Environmental liabilities	38,019	38,256
Deferred tax liabilities	6,495	21,689
Other liabilities	55,791	57,944
Total liabilities	2,429,198	2,413,084
COMMITMENTS AND CONTINGENCIES
HARSCO CORPORATION STOCKHOLDERS' EQUITY
Common stock	152,334	149,519
Additional paid-in capital	272,950	273,436
Accumulated other comprehensive loss	(509,773)	(514,481)
Retained earnings	1,200,569	1,211,234
Treasury stock	(882,901)	(864,646)
Total Enviri Corporation stockholders’ equity	233,179	255,062
Noncontrolling interests	41,732	40,525
Total equity	274,911	295,587
Total liabilities and equity	$ 2,704,109	$ 2,708,671

Income Taxes - New Enviri (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Income Tax Contingency [Line Items]
Income tax expense (benefit)	$ (24,387)	$ 2,001
Unrecognized tax benefits	6,000		$ 6,700
Unrecognized income tax benefit that will be recognized within the next twelve months	2,000
New Enviri
Income Tax Contingency [Line Items]
Income tax expense (benefit)	5,436	$ 3,342
Unrecognized tax benefits	2,400		$ 3,100
Unrecognized income tax benefit that will be recognized within the next twelve months	$ 400

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Subparagraph (ee)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-32

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-12

Reference 8: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 231
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-231

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 250
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483443/250-10-50-9

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 6.I.7)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479360/740-10-S99-1

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 250
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483443/250-10-50-8

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-10

Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (h)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-22

Reference 14: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(9))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1

Reference 15: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Subparagraph (a)
-SubTopic 20
-Topic 740
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482659/740-20-45-2

Reference 16: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(h))
-SubTopic 10
-Topic 235
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment (Tables)

3 Months Ended

Mar. 31, 2026

Schedule of property, plant and equipment

PP&E consist of the following:


(In thousands)	March 31 2026		December 31 2025
Land and improvements	$	97,718	$	95,324

Buildings and improvements	254,336		250,452
Machinery and equipment	1,723,342		1,731,009
Uncompleted construction	52,130		47,837
Gross property, plant and equipment	2,127,526		2,124,622
Less: Accumulated depreciation	(1,437,435)		(1,424,958)
Property, plant and equipment, net	$	690,091	$	699,664

Trade Accounts Receivables and Other Receivables - New Enviri (Tables)

3 Months Ended

Mar. 31, 2026

Accounts, Notes, Loans and Financing Receivable [Line Items]

Schedule of accounts receivable

Accounts receivable consist of the following:


(In thousands)	March 31 2026		December 31 2025
Trade accounts receivable	$	296,442	$	278,488
Less: Allowance for expected credit losses	(10,926)		(11,049)

Trade accounts receivable, net	$	285,516	$	267,439

Other receivables (a)	$	40,328	$	46,930

(a) Other receivables include employee receivables, insurance receivable, tax claims and refunds and other miscellaneous items not included in Trade accounts receivable, net.

Schedule of provision for doubtful accounts related to trade accounts receivable

The change in provision for expected credit losses related to trade accounts receivable was as follows:


	Three Months Ended
	March 31
(In thousands)		2026		2025
Change in provision for expected credit losses		$	232	$	(272)

Schedule of Net Amounts Sold and Program Capacities

The following table reflects balances for net amounts sold and program capacities for the arrangements:


(In millions)	March 31 2026		December 31 2025
Net amounts sold under factoring arrangements	$	20.0	$	16.4
Program capacities	20.6		21.1

Accounts, Notes, Loans and Financing Receivable [Line Items]

Schedule of accounts receivable

Accounts receivable consist of the following:


(In thousands)	March 31 2026		December 31 2025
Trade accounts receivable	$	237,688	$	229,687
Less: Allowance for expected credit losses	(9,567)		(9,624)
Trade accounts receivable, net	228,121		220,063
Other receivables (a)	$	93,272	$	88,024

Schedule of provision for doubtful accounts related to trade accounts receivable

The change in provision for expected credit losses related to trade accounts receivable was as follows:


	Three Months Ended
	March 31
(In thousands)	2026		2025
Change in provision for expected credit losses	$	90	$	106

Schedule of Net Amounts Sold and Program Capacities

The following table reflects balances for net amounts sold and program capacities for the arrangements:


(In millions)	March 31 2026		December 31 2025
Net amounts sold under factoring arrangements	$	20.0	$	16.4
Program capacities	20.6		21.1

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (9,538)	$ (7,812)
Other comprehensive income (loss):
Foreign currency translation adjustments, net of deferred income taxes	(6,378)	15,101
Net gain (loss) on cash flow hedging instruments, net of deferred income taxes	1,256	(2,797)
Pension liability adjustments, net of deferred income taxes	9,910	(4,188)
Unrealized gain (loss) on marketable securities, net of deferred income taxes	0	(2)
Total other comprehensive income (loss)	4,788	8,114
Total comprehensive income (loss)	(4,750)	302
Less: Comprehensive (income) loss attributable to noncontrolling interests	(1,207)	(1,568)
Comprehensive income (loss) attributable to Enviri Corporation	$ (5,957)	$ (1,266)

CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - New Enviri (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Total other comprehensive income, deferred income taxes	$ (2,006)	$ 2,487
New Enviri
Total other comprehensive income, deferred income taxes	$ 13	$ (48)

Amount of tax expense (benefit) allocated to other comprehensive income (loss).

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Derivative Instruments, Hedging Activities and Fair Value - Narrative (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	Dec. 31, 2025	Mar. 31, 2026	Mar. 31, 2025
Foreign Currency Derivatives
Net asset (liability) offset against collateral	$ (0.3)	$ 1.2
Pre-tax net gains (losses) on certain loans designated as hedges of net investments in foreign subsidiaries		0.1	$ (0.6)
Long-term debt, fair value	1,566.4	1,588.3
Foreign currency exchange forward contracts
Foreign Currency Derivatives
Derivative, Notional Amount	639.0	614.3
Term Loan
Foreign Currency Derivatives
Principal amount	$ 300.0
Term Loan \| Term Loan Facility, Fixed-Rate \| Minimum
Foreign Currency Derivatives
Variable rate basis spread (as a percent)	3.06%
Term Loan \| Term Loan Facility, Fixed-Rate \| Maximum
Foreign Currency Derivatives
Variable rate basis spread (as a percent)	3.12%
Reported Value Measurement
Foreign Currency Derivatives
Long-term Debt	$ 1,567.0	$ 1,592.4

Derivative Instruments, Hedging Activities and Fair Value - Fair Value of Outstanding Derivative Contracts - New Enviri (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Derivative contracts
Asset derivatives	$ 8,173	$ 2,576
Liability derivatives	14,122	20,839
New Enviri
Derivative contracts
Asset derivatives	8,173	2,576
Liability derivatives	14,122	20,839
Foreign currency exchange forward contracts \| Other current assets
Derivative contracts
Asset derivatives	5,350	1,376
Foreign currency exchange forward contracts \| Derivative liabilities
Derivative contracts
Liability derivatives	14,122	20,839
Foreign currency exchange forward contracts \| New Enviri \| Other current assets
Derivative contracts
Asset derivatives	5,350	1,376
Foreign currency exchange forward contracts \| New Enviri \| Derivative liabilities
Derivative contracts
Liability derivatives	14,122	20,839
Interest rate swaps \| Other current assets
Derivative contracts
Asset derivatives	1,661	887
Interest rate swaps \| Other assets
Derivative contracts
Asset derivatives	1,162	313
Interest rate swaps \| New Enviri \| Other current assets
Derivative contracts
Asset derivatives	1,661	887
Interest rate swaps \| New Enviri \| Other assets
Derivative contracts
Asset derivatives	1,162	313
Fair Value of Derivatives Designated as Hedging Instruments
Derivative contracts
Asset derivatives	2,991	1,236
Liability derivatives	495	861
Fair Value of Derivatives Designated as Hedging Instruments \| New Enviri
Derivative contracts
Asset derivatives	2,991	1,236
Liability derivatives	495	861
Fair Value of Derivatives Designated as Hedging Instruments \| Foreign currency exchange forward contracts \| Other current assets
Derivative contracts
Asset derivatives	168	36
Fair Value of Derivatives Designated as Hedging Instruments \| Foreign currency exchange forward contracts \| Derivative liabilities
Derivative contracts
Liability derivatives	495	861
Fair Value of Derivatives Designated as Hedging Instruments \| Foreign currency exchange forward contracts \| New Enviri \| Other current assets
Derivative contracts
Asset derivatives	168	36
Fair Value of Derivatives Designated as Hedging Instruments \| Foreign currency exchange forward contracts \| New Enviri \| Derivative liabilities
Derivative contracts
Liability derivatives	495	861
Fair Value of Derivatives Designated as Hedging Instruments \| Interest rate swaps \| Other current assets
Derivative contracts
Asset derivatives	1,661	887
Fair Value of Derivatives Designated as Hedging Instruments \| Interest rate swaps \| Other assets
Derivative contracts
Asset derivatives	1,162	313
Fair Value of Derivatives Designated as Hedging Instruments \| Interest rate swaps \| New Enviri \| Other current assets
Derivative contracts
Asset derivatives	1,661	887
Fair Value of Derivatives Designated as Hedging Instruments \| Interest rate swaps \| New Enviri \| Other assets
Derivative contracts
Asset derivatives	1,162	313
Fair Value of Derivatives Not Designated as Hedging Instruments
Derivative contracts
Asset derivatives	5,182	1,340
Liability derivatives	13,627	19,978
Fair Value of Derivatives Not Designated as Hedging Instruments \| New Enviri
Derivative contracts
Asset derivatives	5,182	1,340
Liability derivatives	13,627	19,978
Fair Value of Derivatives Not Designated as Hedging Instruments \| Foreign currency exchange forward contracts \| Other current assets
Derivative contracts
Asset derivatives	5,182	1,340
Fair Value of Derivatives Not Designated as Hedging Instruments \| Foreign currency exchange forward contracts \| Derivative liabilities
Derivative contracts
Liability derivatives	13,627	19,978
Fair Value of Derivatives Not Designated as Hedging Instruments \| Foreign currency exchange forward contracts \| New Enviri \| Other current assets
Derivative contracts
Asset derivatives	5,182	1,340
Fair Value of Derivatives Not Designated as Hedging Instruments \| Foreign currency exchange forward contracts \| New Enviri \| Derivative liabilities
Derivative contracts
Liability derivatives	13,627	19,978
Fair Value of Derivatives Not Designated as Hedging Instruments \| Interest rate swaps \| Other current assets
Derivative contracts
Asset derivatives	0	0
Fair Value of Derivatives Not Designated as Hedging Instruments \| Interest rate swaps \| Other assets
Derivative contracts
Asset derivatives	0	0
Fair Value of Derivatives Not Designated as Hedging Instruments \| Interest rate swaps \| New Enviri \| Other current assets
Derivative contracts
Asset derivatives	0	0
Fair Value of Derivatives Not Designated as Hedging Instruments \| Interest rate swaps \| New Enviri \| Other assets
Derivative contracts
Asset derivatives	$ 0	$ 0

Employee Benefit Plans - New Enviri (Tables)

3 Months Ended

Mar. 31, 2026

Schedule of net benefit costs



	Three Months Ended
	March 31
Defined Benefit Pension Plans Net Periodic Pension Cost (Benefit)	U.S. Plans				International Plans
(In thousands)	2026		2025		2026		2025
Service costs	$	—	$	—	$	260	$	303
Interest costs	2,031		2,313		7,372		7,387
Expected return on plan assets	(2,287)		(2,562)		(7,804)		(6,499)
Recognized prior service costs	—		—		108		113
Recognized actuarial losses	751		785		3,754		3,698


Defined benefit pension plans net periodic pension cost (benefit)	$	495	$	536	$	3,690	$	5,002

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of net benefit costs


	Three Months Ended
	March 31
Defined Benefit Pension Plans Net Periodic Pension Cost (Benefit)	U.S. Plans				International Plans
(In thousands)	2026		2025		2026		2025
Service costs	$	—	$	—	$	260	$	303
Interest costs	2,031		2,313		7,372		7,387
Expected return on plan assets	(2,287)		(2,562)		(7,804)		(6,499)
Recognized prior service costs	—		—		108		113
Recognized actuarial losses	751		785		3,754		3,698
Defined benefit pension plans net periodic pension cost (benefit)	$	495	$	536	$	3,690	$	5,002

Other Expense (Income), Net - New Enviri (Tables)

3 Months Ended

Mar. 31, 2026

Disaggregation of Income Statement Expense, Caption [Line Items]

Schedule of other (income) expenses

The major components of this Condensed Consolidated Statements of Operations caption were as follows:


	Three Months Ended
	March 31
(In thousands)		2026		2025
Employee termination benefit costs		$	745	$	2,518
Other costs for exit activities (a)		12,334		1,958

Asset impairments		—		583


Net gains on sale of assets		(218)		(768)

Other expense (income), net		$	12,861	$	4,291

(a) Includes costs related to the planned sale of Clean Earth

Disaggregation of Income Statement Expense, Caption [Line Items]

Schedule of other (income) expenses

The major components of this Condensed Combined Statements of Operations caption were as follows:


	Three Months Ended
	March 31
(In thousands)	2026		2025
Employee termination benefit costs	$	670	$	2,438
Other costs for exit activities (a)	12,270		1,958
Asset impairments	—		583
Net gains on sale of assets	(218)		(768)
Other (income) expenses, net	$	12,722	$	4,211

(a) Includes costs related to the planned sale of Clean Earth

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Goodwill and Intangible Assets Disclosure [Abstract]

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - New Enviri (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Cash flows from operating activities:
Net income (loss)	$ (9,538)	$ (7,812)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	40,428	36,442
Amortization	7,844	7,403
Deferred income tax (benefit) expense	(30,161)	(2,823)
Equity in (income) loss of unconsolidated entities, net	(23)	(28)
Right-of-use assets	8,343	7,416
Stock-based compensation	2,329	4,044
Other, net	(1,675)	(637)
Changes in assets and liabilities, net of acquisitions and dispositions of businesses:
Accounts receivable	(16,334)	(13,124)
Inventories	7,387	(7,978)
Contract assets	(6,563)	6,456
Accounts payable	16,296	9,138
Accrued interest payable	(6,728)	(6,931)
Accrued compensation	8,048	(15,105)
Advances on contracts and other customer advances	688	(14,770)
Operating lease liabilities	(8,323)	(7,435)
Retirement plan liabilities, net	3,530	4,656
Other assets and liabilities	5,988	7,688
Net cash (used) provided by operating activities	21,536	6,600
Cash flows from investing activities:
Purchases of property, plant and equipment	(33,727)	(21,624)
Proceeds from sales of assets	1,950	1,447
Net proceeds (payments) from settlement of foreign currency forward exchange contracts	1,294	1,737
Net cash used by investing activities	(30,668)	(18,447)
Cash flows from financing activities:
Short-term borrowings, net	109	2,812
Borrowings and repayments under Revolving Credit Facility, net	31,000	30,000
Repayments of Term Loan	(1,250)	(1,250)
Cash paid for finance leases and other long-term debt	(5,548)	(4,158)
Net cash (used) provided by financing activities	8,059	26,127
Effect of exchange rate changes on cash and cash equivalents, including restricted cash	(2,799)	(9)
Net increase (decrease) in cash and cash equivalents, including restricted cash	(3,872)	14,271
Cash and cash equivalents, including restricted cash, at beginning of period	125,348	90,158
Cash and cash equivalents, including restricted cash, at end of period	121,476	104,429
New Enviri
Cash flows from operating activities:
Net income (loss)	(48,564)	(23,799)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	29,325	26,822
Amortization	1,906	1,558
Deferred income tax (benefit) expense	490	(1,292)
Equity in (income) loss of unconsolidated entities, net	(23)	(28)
Right-of-use assets	3,162	2,821
Stock-based compensation	1,179	2,219
Other, net	(1,604)	(721)
Changes in assets and liabilities, net of acquisitions and dispositions of businesses:
Accounts receivable	(7,536)	(10,198)
Inventories	7,328	(7,692)
Contract assets	(6,563)	6,456
Accounts payable	11,091	6,010
Accrued interest payable	(6,728)	(6,931)
Accrued compensation	8,704	(1,692)
Advances on contracts and other customer advances	688	(14,770)
Operating lease liabilities	(3,167)	(2,931)
Retirement plan liabilities, net	3,251	4,576
Other assets and liabilities	(6,328)	(1,093)
Net cash (used) provided by operating activities	(13,389)	(20,685)
Cash flows from investing activities:
Purchases of property, plant and equipment	(19,304)	(14,972)
Proceeds from sales of assets	1,827	1,399
Net proceeds (payments) from settlement of foreign currency forward exchange contracts	1,293	1,738
Net cash used by investing activities	(16,184)	(11,835)
Cash flows from financing activities:
Short-term borrowings, net	109	2,812
Net transfers (to)/from Parent	(5,408)	7,015
Payments from related party notes	6,874	10,018
Borrowings and repayments under Revolving Credit Facility, net	31,000	30,000
Repayments of Term Loan	(1,250)	(1,250)
Cash paid for finance leases and other long-term debt	(2,721)	(1,871)
Net cash (used) provided by financing activities	28,604	46,724
Effect of exchange rate changes on cash and cash equivalents, including restricted cash	(2,799)	(9)
Net increase (decrease) in cash and cash equivalents, including restricted cash	(3,768)	14,195
Cash and cash equivalents, including restricted cash, at beginning of period	125,164	89,892
Cash and cash equivalents, including restricted cash, at end of period	$ 121,396	$ 104,087

Property, Plant and Equipment - Components - New Enviri (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Property, Plant and Equipment
Gross property, plant and equipment	$ 2,127,526	$ 2,124,622
Less: Accumulated depreciation	(1,437,435)	(1,424,958)
Property, plant and equipment, net	690,091	699,664
New Enviri
Property, Plant and Equipment
Gross property, plant and equipment	1,693,721	1,705,401
Less: Accumulated depreciation	(1,282,870)	(1,281,302)
Property, plant and equipment, net	410,851	424,099
Land
Property, Plant and Equipment
Gross property, plant and equipment	97,718	95,324
Land \| New Enviri
Property, Plant and Equipment
Gross property, plant and equipment	24,318	24,541
Buildings and improvements
Property, Plant and Equipment
Gross property, plant and equipment	254,336	250,452
Buildings and improvements \| New Enviri
Property, Plant and Equipment
Gross property, plant and equipment	162,267	162,000
Machinery and equipment
Property, Plant and Equipment
Gross property, plant and equipment	1,723,342	1,731,009
Machinery and equipment \| New Enviri
Property, Plant and Equipment
Gross property, plant and equipment	1,481,197	1,493,339
Uncompleted construction
Property, Plant and Equipment
Gross property, plant and equipment	52,130	47,837
Uncompleted construction \| New Enviri
Property, Plant and Equipment
Gross property, plant and equipment	$ 25,939	$ 25,521

Debt and Credit Agreements - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Debt obligation	$ 1,592,425	$ 1,567,001
Less: deferred financing costs	(9,839)	(10,818)
Total debt obligations, net of deferred financing costs	1,582,586	1,556,183
Current maturities of long-term debt	(25,835)	(25,874)
Long-term debt	1,556,751	1,530,309
Other financing payable (including finance leases) in varying amounts
Debt Instrument [Line Items]
Debt obligation	84,175	88,501
Term Loan Facility \| Term Loan
Debt Instrument [Line Items]
Debt obligation	476,250	477,500
Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt obligation	557,000	526,000
Senior Notes \| 5.75% Senior Notes
Debt Instrument [Line Items]
Debt obligation	$ 475,000	$ 475,000
Interest rate	5.75%

Goodwill and Other Intangible Assets

3 Months Ended

Mar. 31, 2026

Goodwill and Other Intangible Assets

Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2026

Retirement Benefits [Abstract]

Schedule of net benefit costs



	Three Months Ended
	March 31
Defined Benefit Pension Plans Net Periodic Pension Cost (Benefit)	U.S. Plans				International Plans
(In thousands)	2026		2025		2026		2025
Service costs	$	—	$	—	$	260	$	303
Interest costs	2,031		2,313		7,372		7,387
Expected return on plan assets	(2,287)		(2,562)		(7,804)		(6,499)
Recognized prior service costs	—		—		108		113
Recognized actuarial losses	751		785		3,754		3,698


Defined benefit pension plans net periodic pension cost (benefit)	$	495	$	536	$	3,690	$	5,002

Subsequent Events (Details) - Subsequent Event - Clean Earth segment $ in Billions	Jun. 01, 2026 USD ($)
Subsequent Event [Line Items]
Sale proceeds	$ 3.0
Stockholders of CE Holdings
Subsequent Event [Line Items]
Sale proceeds	1.3
New Enviri
Subsequent Event [Line Items]
Sale proceeds	$ 1.7

Relationship with Parent and Related Entities - New Enviri - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Related Party Transaction [Line Items]
Trade accounts receivable, net	$ 285,516		$ 267,439
New Enviri
Related Party Transaction [Line Items]
Related party notes payable	189,000		182,100
Trade accounts receivable, net	228,121		220,063
Affiliated Entity \| New Enviri
Related Party Transaction [Line Items]
Related party notes payable	189,000		182,100
Trade accounts receivable, net	0		$ 0
Stock-based compensation expense	1,179	$ 2,219
Affiliated Entity \| PSUs \| New Enviri
Related Party Transaction [Line Items]
Stock-based compensation expense	$ 600	$ 100
Performance period	3 years

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Inventories - New Enviri

3 Months Ended

Mar. 31, 2026

Inventories

Inventories consist of the following:


(In thousands)	March 31 2026		December 31 2025
Finished goods	$	8,721	$	11,057
Work-in-process	14,809		13,679

Raw materials and purchased parts	101,549		107,056
Stores and supplies	48,197		48,756
Total inventories	$	173,276	$	180,548

Inventories

Inventories consist of the following:


(In thousands)	March 31 2026		December 31 2025
Finished goods	$	8,151	$	10,483
Work-in-process	14,809		13,679
Raw materials and purchased parts	101,549		107,056
Stores and supplies	39,996		40,500
Total inventories	$	164,505	$	171,718

Organization and Nature of Operations - New Enviri	3 Months Ended
Organization and Nature of Operations - New Enviri	Mar. 31, 2026
New Enviri
Organization [Line Items]
Organization and Nature of Operations - New Enviri	Organization and Nature of Operations The accompanying unaudited Condensed Combined Financial Statements present, on a historical cost basis, the combined assets and liabilities of New Enviri, which comprises substantially all of the Harsco Environmental and Harsco Rail segments of Enviri Corporation. These segments and the types of products and services offered include the following: Harsco Environmental HE is a global provider of on-site environmental services for the management of waste and byproduct streams from our customers, which includes resource recovery and recycling of waste materials, materials handling and logistical support and aluminum dross and scrap management. HE also manufactures value-added downstream products from industrial waste streams, or ecoproducts, which includes road surfacing materials, metallurgical additives, agriculture and turf products and cement additives. Harsco Rail Rail is a global provider of railway track maintenance equipment and services. Rail’s products include highly engineered railway track maintenance equipment, after-market parts and safety and diagnostics technology systems. In addition, Rail provides railway maintenance services to major railways, mass transit systems and equipment leasing companies.

Commitment and Contingencies - New Enviri (Tables)

3 Months Ended

Mar. 31, 2026

Schedule of Loss Contingencies by Contingency

The following table summarizes information related to the location and undiscounted amount of the Company's environmental liabilities:


(In thousands)	March 31 2026		December 31 2025
Current portion of environmental liabilities (a)	$	12,573	$	12,736
Long-term environmental liabilities	38,019		38,256
Total environmental liabilities	$	50,592	$	50,992

(a) The current portion of environmental liabilities is included in the caption Other current liabilities on the Condensed Consolidated Balance Sheets.

Schedule of Loss Contingencies by Contingency

The following table summarizes information related to the location and undiscounted amount of New Enviri's environmental liabilities:


(In thousands)	March 31 2026		December 31 2025
Current portion of environmental liabilities (a)	$	8,637	$	9,020
Long-term environmental liabilities	19,105		19,105
Total environmental liabilities	$	27,742	$	28,125

(a) The current portion of environmental liabilities is included in the caption Other current liabilities on the Condensed Combined Balance Sheets.

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Schedule of long-term debt instruments

Leases - Components of Lease Expense - New Enviri (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Finance leases:
Depreciation expense	$ 4,811	$ 3,959
Interest on lease liabilities	1,532	1,392
Operating leases	10,419	9,572
Variable and short-term lease expense	13,085	12,580
Sublease income	(47)	(2)
Total lease expense	29,800	27,501
New Enviri
Finance leases:
Depreciation expense	1,653	1,352
Interest on lease liabilities	377	334
Operating leases	3,202	3,056
Variable and short-term lease expense	8,693	7,460
Sublease income	(2)	(2)
Total lease expense	$ 13,923	$ 12,200

Debt and Credit Agreements (Tables)

3 Months Ended

Mar. 31, 2026

Debt Disclosure [Abstract]

Long-term debt consists of the following:


(In thousands)	March 31 2026		December 31 2025

Senior Secured Credit Facilities:
Term Loan	$	476,250	$	477,500


Revolving Credit Facility	557,000		526,000
5.75% Senior Notes	475,000		475,000
Other financing payable (including finance leases) in varying amounts	84,175		88,501
Total debt obligations	1,592,425		1,567,001
Less: deferred financing costs	(9,839)		(10,818)
Total debt obligations, net of deferred financing costs	1,582,586		1,556,183
Less: current maturities of long-term debt	(25,835)		(25,874)
Long-term debt	$	1,556,751	$	1,530,309

Schedule of facility fees and debt-related income (expense)

The components of the Condensed Consolidated Statements of Operations caption Facility fees and debt-related income (expense) were as follows:


	Three Months Ended
	March 31
(In thousands)		2026		2025

Unused debt commitment and amendment fees		$	(75)	$	(188)
Securitization and factoring fees		(2,219)		(2,424)
Facility fees and debt-related income (expense)		$	(2,294)	$	(2,612)

Trade Accounts Receivables and Other Receivables - Schedule of Factoring Arrangements Net Amounts Sold and Program Capacities - New Enviri (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net amounts sold under factoring arrangements	$ 285,516	$ 267,439
Program capacities	20,600	21,100
New Enviri
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net amounts sold under factoring arrangements	228,121	220,063
Program capacities	20,600	21,100
Accounts Receivable Under Factoring Arrangement
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net amounts sold under factoring arrangements	20,000	16,400
Accounts Receivable Under Factoring Arrangement \| New Enviri
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net amounts sold under factoring arrangements	$ 20,000	$ 16,400

Relationship with Parent and Related Entities - New Enviri - General Corporate Expenses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Related Party Transaction [Line Items]
Selling, general and administrative expenses	$ 91,456	$ 89,108
New Enviri
Related Party Transaction [Line Items]
Selling, general and administrative expenses	44,591	43,188
Affiliated Entity \| New Enviri
Related Party Transaction [Line Items]
Selling, general and administrative expenses	$ 11,896	$ 11,768

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

+ References + Details

Relationship with Parent and Related Entities - New Enviri (Tables)

3 Months Ended

Mar. 31, 2026

Schedule of Related Party Transactions


	Three Months Ended March 31
(In thousands)	2026		2025
Selling, general and administrative expenses	$	11,896	$	11,768
Total allocated costs	$	11,896	$	11,768

Total costs charged to New Enviri related to employee participation in the incentive plans were $1.2 million and $2.2 million during the three months ended March 31, 2026 and 2025, respectively. These charges are included within the Selling, general and administrative expenses and are presented in the following table:


	Three Months Ended March 31
(In thousands)	2026		2025
Amount Recorded for Direct Employees	$	328	$	819
Amount Allocated for Shared Employees	851		1,400
Total Stock-Based Compensation	$	1,179	$	2,219

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - New Enviri (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Net income (loss)	$ (9,538)	$ (7,812)
Other comprehensive income (loss):
Foreign currency translation adjustments, net of deferred income taxes	(6,378)	15,101
Net gain (loss) on cash flow hedging instruments, net of deferred income taxes	1,256	(2,797)
Pension liability adjustments, net of deferred income taxes	9,910	(4,188)
Unrealized gain (loss) on marketable securities, net of deferred income taxes	0	(2)
Total other comprehensive income (loss)	4,788	8,114
Total comprehensive income (loss)	(4,750)	302
Less: Comprehensive (income) loss attributable to noncontrolling interests	(1,207)	(1,568)
Comprehensive income (loss) attributable to Enviri Corporation	(5,957)	(1,266)
New Enviri
Net income (loss)	(48,564)	(23,799)
Other comprehensive income (loss):
Foreign currency translation adjustments, net of deferred income taxes	(5,005)	13,155
Net gain (loss) on cash flow hedging instruments, net of deferred income taxes	1,705	(3,640)
Pension liability adjustments, net of deferred income taxes	10,107	(3,934)
Unrealized gain (loss) on marketable securities, net of deferred income taxes	0	(2)
Total other comprehensive income (loss)	6,807	5,579
Total comprehensive income (loss)	(41,757)	(18,220)
Less: Comprehensive (income) loss attributable to noncontrolling interests	(1,207)	(1,568)
Comprehensive income (loss) attributable to Enviri Corporation	$ (42,964)	$ (19,788)

CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock Issued	Common Stock Treasury	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Beginning balance at Dec. 31, 2024	$ 429,666	$ 146,844	$ (851,881)	$ 255,102	$ 1,378,835	$ (537,385)	$ 38,151
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(7,812)				(9,013)		1,201
Total other comprehensive income	8,114					7,747	367
Vesting of restricted stock units and other stock grants, net	(1,357)	636	(1,357)	(636)
Vesting of performance share units, net	(122)	35	(122)	(35)
Amortization of unearned stock-based compensation, net of forfeitures	4,044			4,044
Ending balance at Mar. 31, 2025	432,533	147,515	(853,360)	258,475	1,369,822	(529,638)	39,719
Increase (Decrease) in Stockholders' Equity
Total other comprehensive income, deferred income taxes	$ 2,487
Vesting of restricted stock units and other stock grants (in shares)	284,643
Vesting of performance share units (in shares)	14,860
Beginning balance at Dec. 31, 2025	$ 295,587	149,519	(864,646)	273,436	1,211,234	(514,481)	40,525
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(9,538)				(10,665)		1,127
Total other comprehensive income	4,788					4,708	80
Stock appreciation rights exercised, net	(1,540)	236	(1,540)	(236)
Vesting of restricted stock units and other stock grants, net	(5,878)	943	(5,878)	(943)
Vesting of performance share units, net	(10,837)	1,636	(10,837)	(1,636)
Amortization of unearned stock-based compensation, net of forfeitures	2,329			2,329
Ending balance at Mar. 31, 2026	274,911	$ 152,334	$ (882,901)	$ 272,950	$ 1,200,569	$ (509,773)	$ 41,732
Increase (Decrease) in Stockholders' Equity
Total other comprehensive income, deferred income taxes	$ (2,006)
Vesting of restricted stock units and other stock grants (in shares)	427,651
Vesting of performance share units (in shares)	726,189

Inventories - Schedule of Inventory - New Enviri (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Inventory [Line Items]
Finished goods	$ 8,721	$ 11,057
Work-in-process	14,809	13,679
Raw materials and purchased parts	101,549	107,056
Stores and supplies	48,197	48,756
Total inventories	173,276	180,548
New Enviri
Inventory [Line Items]
Finished goods	8,151	10,483
Work-in-process	14,809	13,679
Raw materials and purchased parts	101,549	107,056
Stores and supplies	39,996	40,500
Total inventories	$ 164,505	$ 171,718

Relationship with Parent and Related Entities - New Enviri - Stock-Based Compensation Expense (Details) - Affiliated Entity - New Enviri - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Related Party Transaction [Line Items]
Total Stock-Based Compensation	$ 1,179	$ 2,219
Direct Employees
Related Party Transaction [Line Items]
Total Stock-Based Compensation	328	819
Shared Employees
Related Party Transaction [Line Items]
Total Stock-Based Compensation	$ 851	$ 1,400

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Property, Plant and Equipment - Components (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Property, Plant and Equipment
Gross property, plant and equipment	$ 2,127,526	$ 2,124,622
Less: Accumulated depreciation	(1,437,435)	(1,424,958)
Property, plant and equipment, net	690,091	699,664
Land
Property, Plant and Equipment
Gross property, plant and equipment	97,718	95,324
Buildings and improvements
Property, Plant and Equipment
Gross property, plant and equipment	254,336	250,452
Machinery and equipment
Property, Plant and Equipment
Gross property, plant and equipment	1,723,342	1,731,009
Uncompleted construction
Property, Plant and Equipment
Gross property, plant and equipment	$ 52,130	$ 47,837

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Cash flows from operating activities:
Net income (loss)	$ (9,538)	$ (7,812)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	40,428	36,442
Amortization	7,844	7,403
Deferred income tax (benefit) expense	(30,161)	(2,823)
Equity in (income) loss of unconsolidated entities, net	(23)	(28)
Right-of-use assets	8,343	7,416
Stock-based compensation	2,329	4,044
Other, net	(1,675)	(637)
Changes in assets and liabilities, net of acquisitions and dispositions of businesses:
Accounts receivable	(16,334)	(13,124)
Inventories	7,387	(7,978)
Contract assets	(6,563)	6,456
Accounts payable	16,296	9,138
Accrued interest payable	(6,728)	(6,931)
Accrued compensation	8,048	(15,105)
Advances on contracts and other customer advances	688	(14,770)
Operating lease liabilities	(8,323)	(7,435)
Retirement plan liabilities, net	3,530	4,656
Other assets and liabilities	5,988	7,688
Net cash (used) provided by operating activities	21,536	6,600
Cash flows from investing activities:
Purchases of property, plant and equipment	(33,727)	(21,624)
Proceeds from sales of assets	1,950	1,447
Expenditures for intangible assets	(185)	(7)
Net proceeds (payments) from settlement of foreign currency forward exchange contracts	1,294	1,737
Net cash used by investing activities	(30,668)	(18,447)
Cash flows from financing activities:
Short-term borrowings, net	109	2,812
Borrowings and repayments under Revolving Credit Facility, net	31,000	30,000
Repayments of Term Loan	(1,250)	(1,250)
Cash paid for finance leases and other long-term debt	(5,548)	(4,158)
Stock-based compensation - Employee taxes paid	(16,252)	(1,277)
Net cash (used) provided by financing activities	8,059	26,127
Effect of exchange rate changes on cash and cash equivalents, including restricted cash	(2,799)	(9)
Net increase (decrease) in cash and cash equivalents, including restricted cash	(3,872)	14,271
Cash and cash equivalents, including restricted cash, at beginning of period	125,348	90,158
Cash and cash equivalents, including restricted cash, at end of period	121,476	104,429
Reconciliation of cash and cash equivalents and restricted cash reported in the Condensed Consolidated Balance Sheets:
Cash and cash equivalents	105,697	102,471
Restricted cash	15,779	1,958
Cash and cash equivalents, including restricted cash, at end of period	$ 121,476	$ 104,429

Leases - New Enviri (Tables)

3 Months Ended

Mar. 31, 2026

Components of lease expense

The components of lease expense were as follows:


	Three Months Ended
	March 31
(In thousands)		2026		2025
Finance leases:
Depreciation expense		$	4,811	$	3,959
Interest on lease liabilities		1,532		1,392
Operating leases		10,419		9,572
Variable and short-term lease expense		13,085		12,580
Sublease income		(47)		(2)
Total lease expense		$	29,800	$	27,501

Components of lease expense

The components of lease expense were as follows:


	Three Months Ended
	March 31
(In thousands)	2026		2025
Finance leases:
Depreciation expense	$	1,653	$	1,352
Interest on lease liabilities	377		334
Operating leases	3,202		3,056
Variable and short-term lease expense	8,693		7,460
Sublease income	(2)		(2)
Total lease expense	$	13,923	$	12,200

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($)
shares in Thousands, $ in Thousands

3 Months Ended

Mar. 31, 2026

Mar. 31, 2025

$ 549,803

$ 547,907

Selling, general and administrative expenses

91,456

89,108

Research and development expenses

465

467

Other expense (income), net

12,861

4,291

549,010

518,646

Facility fees and debt-related income (expense)

793

29,261

Interest income

473

454

Interest expense

(27,833)

(26,574)

(2,294)

(2,612)

Income (loss) from continuing operations before income taxes and equity in income

(3,936)

(5,201)

(32,797)

(4,672)

Income tax benefit (expense) from continuing operations

24,387

(2,001)

Equity in income (loss) of unconsolidated entities, net

Income (loss) from continuing operations

(8,387)

(6,645)

Discontinued operations:

Income (loss) from discontinued businesses

(1,558)

(1,579)

Income tax benefit (expense) from discontinued businesses

407

412

Income (loss) from discontinued operations, net of tax

(1,151)

(1,167)

Less: Net loss (income) attributable to noncontrolling interests

(9,538)

(7,812)

(1,127)

(1,201)

Net income (loss) attributable to Enviri Corporation

(10,665)

(9,013)

Amounts attributable to Enviri Corporation common stockholders:

Income (loss) from continuing operations, net of tax

(9,514)

(7,846)

Income (loss) from discontinued operations, net of tax

(1,151)

(1,167)

Net income (loss) attributable to Enviri Corporation

$ (10,665)

$ (9,013)

Weighted-average shares of common stock outstanding (in shares)

82,291

80,331

Basic earnings (loss) per common share attributable to Enviri Corporation common stockholders:

Discontinued operations (in dollars per share)

$ (0.12)

$ (0.10)

(0.01)

Basic earnings (loss) per share attributable to Enviri Corporation common stockholders (in dollars per share)

^[1]

$ (0.13)

$ (0.11)

Diluted weighted-average shares of common stock outstanding (in shares)

82,291

80,331

Diluted earnings (loss) per common share attributable to Enviri Corporation common stockholders:

Discontinued operations (in dollars per share)

$ (0.12)

$ (0.10)

(0.01)

Diluted earnings (loss) per share attributable to Enviri Corporation common stockholders (in dollars per share)

^[1]

$ (0.13)

$ (0.11)

Product Revenues

$ 65,778

$ 71,444

62,264

52,378

Service Revenues

484,025

476,463

Derivative Instruments and Hedging Activities Disclosure [Abstract]

$ 381,964

$ 372,402

[1]	Earnings (loss) per share attributable to Enviri Corporation common stockholders is calculated based on actual amounts. As a result, these per share amounts may not total due to rounding.

Derivative Instruments, Hedging Activities and Fair Value

3 Months Ended

Mar. 31, 2026

Derivative Instruments, Hedging Activities and Fair Value

Derivative Instruments and Hedging Activities

The fair value of outstanding derivative contracts recorded as assets and liabilities on the Company's Condensed Consolidated Balance Sheets was as follows:


(In thousands)	Balance Sheet Location	Fair Value of Derivatives Designated as Hedging Instruments		Fair Value of Derivatives Not Designated as Hedging Instruments		Total Fair Value
March 31, 2026
Asset derivatives (Level 2):
Foreign currency exchange forward contracts	Other current assets	$	168	$	5,182	$	5,350
Interest rate swaps	Other current assets	1,661		—		1,661
Interest rate swaps	Other assets	1,162		—		1,162
Total		$	2,991	$	5,182	$	8,173

Liability derivatives (Level 2):
Foreign currency exchange forward contracts	Derivative liabilities	$	495	$	13,627	$	14,122


Total		$	495	$	13,627	$	14,122

December 31, 2025
Asset derivatives (Level 2):
Foreign currency exchange forward contracts	Other current assets	$	36	$	1,340	$	1,376


Interest rate swaps	Other current assets	887		—		887
Interest rate swaps	Other assets	313		—		$	313
Total		$	1,236	$	1,340	$	2,576

Liability derivatives (Level 2):
Foreign currency exchange forward contracts	Derivative liabilities	$	861	$	19,978	$	20,839


Total		$	861	$	19,978	$	20,839

The effect of derivative instruments on the Company's Condensed Consolidated Statements of Comprehensive Income (Loss) was as follows:

Derivatives Designated as Hedging Instruments



	Gain (Loss) Recognized in OCI on Derivatives				Loss (Gain) Reclassified from AOCI into Income - Effective Portion or Equity
	Three Months Ended				Three Months Ended
	March 31				March 31
(In thousands)	2026		2025		2026		2025
Foreign currency exchange forward contracts	$	491	$	(871)	$	(422)	$	192
Interest rate swaps	2,072		(2,784)		(449)		(117)

	$	2,563	$	(3,655)	$	(871)	$	75

The locations and amounts of gain (loss) recognized on the Company's Condensed Consolidated Statements of Operations was as follows:



	Three Months Ended
	March 31
	2026				2025
(In thousands)	Product Revenues		Interest Expense			Product Revenues		Interest Expense
Total amounts in the Condensed Consolidated Statement of Operations in which the effects of derivatives designated as hedging instruments are recorded	$	65,778	$	(27,833)		$	71,444	$	(26,574)
Interest rate swaps:
Gain (loss) reclassified from AOCI into income	—		449			—		117

Foreign exchange contracts:
Gain (loss) reclassified from AOCI into income	422		—			(192)		—

Derivatives Not Designated as Hedging Instruments


	Location of Gain (Loss) Recognized in Income on Derivatives (a)		Amount of Gain (Loss) Recognized in Income on Derivatives (a)
		Three Months Ended
		March 31
(In thousands)			2026		2025

Foreign currency exchange forward contracts	Cost of services and products sold		$	11,486	$	(15,156)

(a) These gains (losses) offset other amounts recognized in cost of services and products sold principally as a result of intercompany or third party foreign currency exposures.

Foreign Currency Exchange Forward Contracts

Interest Rate Swaps

Fair Value of Other Financial Instruments

Commitments and Contingencies

3 Months Ended

Mar. 31, 2026

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Environmental

The following table summarizes information related to the location and undiscounted amount of the Company's environmental liabilities:


(In thousands)	March 31 2026		December 31 2025
Current portion of environmental liabilities (a)	$	12,573	$	12,736
Long-term environmental liabilities	38,019		38,256
Total environmental liabilities	$	50,592	$	50,992

(a) The current portion of environmental liabilities is included in the caption Other current liabilities on the Condensed Consolidated Balance Sheets.

Legal Proceedings

DEA Investigation

Brazilian Tax Dispute

Asbestos Actions

Other

Trade Accounts Receivables and Other Receivables

3 Months Ended

Mar. 31, 2026

Receivables [Abstract]

Trade Accounts Receivables and Other Receivables

Trade Accounts Receivables and Other receivables

Accounts receivable consist of the following:


(In thousands)	March 31 2026		December 31 2025
Trade accounts receivable	$	296,442	$	278,488
Less: Allowance for expected credit losses	(10,926)		(11,049)

Trade accounts receivable, net	$	285,516	$	267,439

Other receivables (a)	$	40,328	$	46,930

(a) Other receivables include employee receivables, insurance receivable, tax claims and refunds and other miscellaneous items not included in Trade accounts receivable, net.

The change in provision for expected credit losses related to trade accounts receivable was as follows:


	Three Months Ended
	March 31
(In thousands)		2026		2025
Change in provision for expected credit losses		$	232	$	(272)

At March 31, 2026, $8.3 million of the Company's trade accounts receivable were past due by twelve months or more, with $6.0 million of this amount reserved.

Accounts Receivable Securitization Facility

No proceeds were received from the AR Facility during the three months ended March 31, 2026. The Company received proceeds of $10.0 million during the three months ended March 31, 2025.

Factoring Arrangements


(In millions)	March 31 2026		December 31 2025
Net amounts sold under factoring arrangements	$	20.0	$	16.4
Program capacities	20.6		21.1

Reconciliation of Basic and Diluted Shares

3 Months Ended

Mar. 31, 2026

Earnings Per Share [Abstract]

Reconciliation of Basic and Diluted Shares

Reconciliation of Basic and Diluted Shares*


	Three Months Ended
	March 31
(In thousands, except per share amounts)		2026		2025
Income (loss) from continuing operations attributable to Enviri Corporation common stockholders		$	(9,514)	$	(7,846)
Weighted-average shares outstanding:
Weighted-average shares outstanding - basic		82,291		80,331
Dilutive effect of stock-based compensation		—		—
Weighted-average shares outstanding - diluted		82,291		80,331

Earnings (loss) from continuing operations per common share, attributable to Enviri Corporation common stockholders:
Basic		$	(0.12)	$	(0.10)

Diluted		$	(0.12)	$	(0.10)


	Three Months Ended
	March 31
(In thousands)		2026	2025
Restricted stock units		1,163	2,077

Stock appreciation rights		2,682	3,330
Performance share units		547	2,457

Debt and Credit Agreements - Schedule of Facility Fees and Debt-Related Income (Expense) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Debt Disclosure [Abstract]
Unused debt commitment and amendment fees	$ (75)	$ (188)
Securitization and factoring fees	(2,219)	(2,424)
Facility fees and debt-related income (expense)	$ (2,294)	$ (2,612)

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Statement of Comprehensive Income [Abstract]
Foreign currency translation adjustments, deferred income taxes	$ (1,375)	$ 1,956
Net gain (loss) on cash flow hedging instruments, deferred income taxes	(435)	783
Pension liability adjustments, deferred income taxes	(196)	(253)
Unrealized gain (loss) on marketable securities, deferred income taxes	$ 0	$ 1

Components of Accumulated Other Comprehensive Loss - Reclassification out of Accumulated Other Comprehensive Income - New Enviri (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	$ 27,833	$ 26,574
Income (loss) from continuing operations before income taxes and equity in income	(32,797)	(4,672)
Income tax expense (benefit)	(24,387)	2,001
Net income (loss)	(9,538)	(7,812)
New Enviri
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	26,687	25,486
Income (loss) from continuing operations before income taxes and equity in income	(41,593)	(18,906)
Income tax expense (benefit)	5,436	3,342
Net income (loss)	(48,564)	(23,799)
Amount Reclassified from Accumulated Other Comprehensive Loss \| Effective Portion of Derivatives Designated as Hedging Instruments
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) from continuing operations before income taxes and equity in income	(871)	75
Income tax expense (benefit)	215	(48)
Net income (loss)	(656)	27
Amount Reclassified from Accumulated Other Comprehensive Loss \| Effective Portion of Derivatives Designated as Hedging Instruments \| New Enviri
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) from continuing operations before income taxes and equity in income	(871)	75
Income tax expense (benefit)	0	0
Net income (loss)	(871)	75
Amount Reclassified from Accumulated Other Comprehensive Loss \| Effective Portion of Derivatives Designated as Hedging Instruments \| Foreign currency exchange forward contracts
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Product revenues	(422)	192
Amount Reclassified from Accumulated Other Comprehensive Loss \| Effective Portion of Derivatives Designated as Hedging Instruments \| Foreign currency exchange forward contracts \| New Enviri
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Product revenues	(422)	192
Amount Reclassified from Accumulated Other Comprehensive Loss \| Effective Portion of Derivatives Designated as Hedging Instruments \| Interest rate swaps
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	(449)	(117)
Amount Reclassified from Accumulated Other Comprehensive Loss \| Effective Portion of Derivatives Designated as Hedging Instruments \| Interest rate swaps \| New Enviri
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	(449)	(117)
Amount Reclassified from Accumulated Other Comprehensive Loss \| Defined benefit pension items
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) from continuing operations before income taxes and equity in income	4,613	4,596
Income tax expense (benefit)	(196)	(204)
Net income (loss)	4,417	4,392
Amount Reclassified from Accumulated Other Comprehensive Loss \| Defined benefit pension items \| New Enviri
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) from continuing operations before income taxes and equity in income	4,613	4,596
Income tax expense (benefit)	0	0
Net income (loss)	4,613	4,596
Amount Reclassified from Accumulated Other Comprehensive Loss \| Actuarial losses
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Defined benefit pension income (expense)	4,505	4,483
Amount Reclassified from Accumulated Other Comprehensive Loss \| Actuarial losses \| New Enviri
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Defined benefit pension income (expense)	4,505	4,483
Amount Reclassified from Accumulated Other Comprehensive Loss \| Prior service costs
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Defined benefit pension income (expense)	108	113
Amount Reclassified from Accumulated Other Comprehensive Loss \| Prior service costs \| New Enviri
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Defined benefit pension income (expense)	$ 108	$ 113

Review of Operations by Segment - New Enviri (Tables)

3 Months Ended

Mar. 31, 2026

Schedule of operations by segment



	Three Months Ended March 31, 2026
(in thousands)	Harsco Environmental	Clean Earth	Harsco Rail	Total Reportable Segments		Corporate	Total
Segment Profit and Loss:
Total revenues	256,717	225,755	67,331	$	549,803	—	$	549,803
Less:
Cost of services and products sold	218,007	168,860	57,972	444,839		—	444,839
Selling, general and administrative expenses	27,943	41,013	11,758	80,714		10,742	91,456




Other segment activities (a)	738	104	798	1,640		11,075	12,715

Operating income (loss) from continuing operations	10,029	15,778	(3,197)	$	22,610	(21,817)	$	793
Plus:
Interest income							473
Interest expense							(27,833)
Facility fees and debt-related income (expense)							(2,294)
Defined benefit pension income (expense)							(3,936)
Income (loss) from continuing operations before income taxes and equity in income							$	(32,797)

Other Segment Information:
Depreciation	27,896	11,103	1,196	$	40,195	233	$	40,428
Amortization (b)	572	5,938	285	$	6,795	1,049	$	7,844
Capital expenditures	17,407	14,423	1,768	$	33,598	129	$	33,727



	Three Months Ended March 31, 2025
(in thousands)	Harsco Environmental	Clean Earth	Harsco Rail	Total Reportable Segments		Corporate	Total
Segment Profit and Loss:
Total revenues	243,106	234,854	69,947	$	547,907	—	$	547,907
Less:
Cost of services and products sold	202,017	173,619	49,417	425,053		—	425,053
Selling, general and administrative expenses	26,628	38,962	11,582	77,172		11,936	89,108




Other segment activities (a)	4,388	(15)	1,810	6,183		(1,698)	4,485

Operating income (loss) from continuing operations	10,073	22,288	7,138	$	39,499	(10,238)	$	29,261
Plus:
Interest income							454
Interest expense							(26,574)
Facility fees and debt-related income (expense)							(2,612)
Defined benefit pension income (expense)							(5,201)
Income (loss) from continuing operations before income taxes and equity in income							$	(4,672)

Other Segment Information:
Depreciation	25,509	9,620	1,032	$	36,161	281	$	36,442
Amortization (b)	540	5,845	67	$	6,452	951	$	7,403
Capital expenditures	14,094	6,652	780	$	21,526	98	$	21,624

(b) Amortization expense in Corporate relates to the amortization of deferred financing costs.

Schedule of operations by segment


	Three Months Ended March 31, 2026
(in thousands)	Harsco Environmental		Harsco Rail		Total Reportable Segments		Corporate		Total
Segment Profit and Loss:
Total revenues	$	256,717	$	67,331	$	324,048	$	—	$	324,048
Less:
Cost of services and products sold	218,007		57,972		275,979		—		275,979
Selling, general and administrative expenses (c)	31,968		13,019		44,987		(396)		44,591
Other segment activities (a)	738		798		1,536		11,075		12,611
Operating income (loss) from continuing operations	6,004		(4,458)		1,546		(10,679)		$	(9,133)
Plus:
Interest income									458
Interest expense									(26,687)
Facility fees and debt-related income (expense)									(2,294)
Defined benefit pension income (expense)									(3,937)
Income (loss) from continuing operations before income taxes and equity in income									$	(41,593)

Other Segment Information:
Depreciation	27,896		1,196		29,092		233		$	29,325
Amortization (b)	572		285		857		1,049		$	1,906
Capital expenditures	17,407		1,768		19,175		129		$	19,304


	Three Months Ended March 31, 2025
(in thousands)	Harsco Environmental		Harsco Rail		Total Reportable Segments		Corporate		Total
Segment Profit and Loss:
Total revenues	$	243,106	$	69,947	$	313,053	$	—	$	313,053
Less:
Cost of services and products sold	202,017		49,417		251,434		—		251,434
Selling, general and administrative expenses (c)	30,598		12,736		43,334		(146)		43,188
Other segment activities (a)	4,388		1,810		6,198		(1,698)		4,500
Operating income (loss) from continuing operations	6,103		5,984		12,087		1,844		$	13,931
Plus:
Interest income									454
Interest expense									(25,486)
Facility fees and debt-related income (expense)									(2,612)
Defined benefit pension income (expense)									(5,193)
Income (loss) from continuing operations before income taxes and equity in income									$	(18,906)

Other Segment Information:
Depreciation	25,509		1,032		26,541		281		$	26,822
Amortization (b)	540		67		607		951		$	1,558
Capital expenditures	14,094		780		14,874		98		$	14,972

(a) Other segment activities include amounts reflected in the captions Research and development costs, Other income (expenses), net, and certain activities reported in Cost of services and products sold on New Enviri's Condensed Combined Statements of Operations.

(b) Amortization expense in Corporate relates to the amortization of deferred financing costs.

Basis of Presentation - Revision of Statements of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Cash flows from operating activities:
Net income (loss)	$ (9,538)	$ (7,812)
Deferred income tax (benefit) expense	(30,161)	(2,823)
Changes in assets and liabilities, net of acquisitions and dispositions of businesses:
Accounts receivable	(16,334)	(13,124)
Inventories	7,387	(7,978)
Retirement plan liabilities, net	3,530	4,656
Other assets and liabilities	5,988	7,688
Net cash (used) provided by operating activities	21,536	6,600
Net cash used by investing activities	(30,668)	(18,447)
Net cash (used) provided by financing activities	8,059	26,127
Effect of exchange rate changes on cash and cash equivalents, including restricted cash	(2,799)	(9)
Net increase (decrease) in cash and cash equivalents, including restricted cash	(3,872)	14,271
Cash and cash equivalents, including restricted cash, at beginning of period	125,348	90,158
Cash and cash equivalents, including restricted cash, at end of period	$ 121,476	104,429
As Previously Reported
Cash flows from operating activities:
Net income (loss)		(12,195)
Deferred income tax (benefit) expense		2,776
Changes in assets and liabilities, net of acquisitions and dispositions of businesses:
Accounts receivable		(13,501)
Inventories		(8,995)
Retirement plan liabilities, net		4,488
Other assets and liabilities		8,034
Net cash (used) provided by operating activities		6,600
Net cash used by investing activities		(18,447)
Net cash (used) provided by financing activities		26,127
Effect of exchange rate changes on cash and cash equivalents, including restricted cash		(9)
Net increase (decrease) in cash and cash equivalents, including restricted cash		14,271
Cash and cash equivalents, including restricted cash, at beginning of period		90,158
Cash and cash equivalents, including restricted cash, at end of period		104,429
Revision
Cash flows from operating activities:
Net income (loss)		4,383
Deferred income tax (benefit) expense		(5,599)
Changes in assets and liabilities, net of acquisitions and dispositions of businesses:
Accounts receivable		377
Inventories		1,017
Retirement plan liabilities, net		168
Other assets and liabilities		(346)
Net cash (used) provided by operating activities		0
Net cash used by investing activities		0
Net cash (used) provided by financing activities		0
Effect of exchange rate changes on cash and cash equivalents, including restricted cash		0
Net increase (decrease) in cash and cash equivalents, including restricted cash		0
Cash and cash equivalents, including restricted cash, at beginning of period		0
Cash and cash equivalents, including restricted cash, at end of period		$ 0

Subsequent Event	3 Months Ended
Subsequent Event	Mar. 31, 2026
Subsequent Events [Abstract]
Subsequent Event	Subsequent Events On June 1, 2026, through the completion of the Transactions, Veolia acquired the Clean Earth segment for aggregate consideration of approximately $3.0 billion, subject to customary adjustments. Of the aggregate consideration, $1.3 billion was paid directly to the stockholders of CE Holdings, the former stockholders of Enviri, and the remaining $1.7 billion was paid to Enviri LLC, as successor by merger to the Company, pursuant to an intercompany note issued by CE Holdings to Enviri LLC in connection with the Reorganization. The $1.7 billion was primarily used to pay off the entirety of the outstanding balances on the Revolving Credit Facility and a portion of the Term Loan, redeem the Senior Notes in full, repay the AR Facility in connection with its termination, pay transaction expenses and retain cash to support Rail's large European engineered-to-order rail contracts.

Property, Plant and Equipment - New Enviri (Tables)

3 Months Ended

Mar. 31, 2026

Schedule of property, plant and equipment

PP&E consist of the following:


(In thousands)	March 31 2026		December 31 2025
Land and improvements	$	97,718	$	95,324

Buildings and improvements	254,336		250,452
Machinery and equipment	1,723,342		1,731,009
Uncompleted construction	52,130		47,837
Gross property, plant and equipment	2,127,526		2,124,622
Less: Accumulated depreciation	(1,437,435)		(1,424,958)
Property, plant and equipment, net	$	690,091	$	699,664

Schedule of property, plant and equipment

PP&E consist of the following:


(In thousands)	March 31 2026		December 31 2025
Land and improvements	$	24,318	$	24,541
Buildings and improvements	162,267		162,000
Machinery and equipment	1,481,197		1,493,339
Uncompleted construction	25,939		25,521
Gross property, plant and equipment	1,693,721		1,705,401
Less: Accumulated depreciation	(1,282,870)		(1,281,302)
Property, plant and equipment, net	$	410,851	$	424,099

Trade Accounts Receivables and Other Receivables (Tables)

3 Months Ended

Mar. 31, 2026

Receivables [Abstract]

Schedule of accounts receivable

Accounts receivable consist of the following:


(In thousands)	March 31 2026		December 31 2025
Trade accounts receivable	$	296,442	$	278,488
Less: Allowance for expected credit losses	(10,926)		(11,049)

Trade accounts receivable, net	$	285,516	$	267,439

Other receivables (a)	$	40,328	$	46,930

(a) Other receivables include employee receivables, insurance receivable, tax claims and refunds and other miscellaneous items not included in Trade accounts receivable, net.

Schedule of provision for doubtful accounts related to trade accounts receivable

The change in provision for expected credit losses related to trade accounts receivable was as follows:


	Three Months Ended
	March 31
(In thousands)		2026		2025
Change in provision for expected credit losses		$	232	$	(272)

Schedule of Net Amounts Sold and Program Capacities

The following table reflects balances for net amounts sold and program capacities for the arrangements:


(In millions)	March 31 2026		December 31 2025
Net amounts sold under factoring arrangements	$	20.0	$	16.4
Program capacities	20.6		21.1

Derivative Instruments, Hedging Activities and Fair Value - Instrument Not Designated As Hedging Instrument (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Foreign currency exchange forward contracts \| Cost of services and products sold
Derivative [Line Items]
Amount of Gain (Loss) Recognized in Income on Derivatives	$ 11,486	$ (15,156)

Components of Accumulated Other Comprehensive Loss (Tables)

3 Months Ended

Mar. 31, 2026

Equity [Abstract]

Schedule of accumulated other comprehensive loss

The components of AOCI, net of the effect of income taxes, and activity for the three months ended March 31, 2026 and 2025, were as follows:


	Components of AOCI, Net of Tax
(In thousands)	Cumulative Foreign Exchange Translation Adjustments		Effective Portion of Derivatives Designated as Hedging Instruments		Cumulative Unrecognized Actuarial Losses on Pension Obligations		Unrealized Gain (Loss) on Marketable Securities		Total
Balance at December 31, 2025	$	(199,071)	$	15	$	(315,450)	$	25	$	(514,481)

OCI before reclassifications (a)(b)	(6,378)		1,912		5,493		—		1,027
Amounts reclassified from AOCI, net of tax	—		(656)		4,417		—		3,761



Total OCI	(6,378)		1,256		9,910		—		4,788
Less: OCI attributable to noncontrolling interests	(80)		—		—		—		(80)
OCI attributable to Enviri Corporation	(6,458)		1,256		9,910		—		4,708
Balance at March 31, 2026	$	(205,529)	$	1,271	$	(305,540)	$	25	$	(509,773)


	Components of AOCI, Net of Tax
	Cumulative Foreign Exchange Translation Adjustments	Effective Portion of Derivatives Designated as Hedging Instruments	Cumulative Unrecognized Actuarial Losses on Pension Obligations	Unrealized Gain (Loss) on Marketable Securities	Total
Balance at December 31, 2024	(229,257)	3,769	(311,919)	22	(537,385)
OCI before reclassifications (a)(b)	15,101	(2,824)	(8,580)	(2)	3,695
Amounts reclassified from AOCI, net of tax	—	27	4,392	—	4,419
Total OCI	15,101	(2,797)	(4,188)	(2)	8,114
Less: OCI attributable to noncontrolling interests	(367)	—	—	—	(367)
OCI attributable to Enviri Corporation	14,734	(2,797)	(4,188)	(2)	7,747
Balance at March 31, 2025	(214,523)	972	(316,107)	20	(529,638)

(a) The cumulative amounts from foreign exchange translation and unrecognized actuarial losses on pension obligations are principally from foreign currency fluctuation.

(b) The amounts related to the effective portion of derivatives designated as hedge instruments are due to the net change from periodic revaluations.

Reclassification out of accumulated other comprehensive income

Amounts reclassified from AOCI were as follows:


(In thousands)	Three Months Ended			Location on the Condensed Consolidated Statements of Operations
	March 31
		2026				2025



Amortization of cash flow hedging instruments:
Foreign currency exchange forward contracts		$	(422)	$	192	Product revenues



Interest rate swaps		(449)		(117)		Interest expense

Total before income taxes		(871)		75
Income taxes		215		(48)
Total reclassification of cash flow hedging instruments, net of tax		$	(656)	$	27

Amortization of defined benefit pension items (c):
Actuarial losses		$	4,505	$	4,483	Defined benefit pension income (expense)
Prior service costs		108		113		Defined benefit pension income (expense)



Total before income taxes		4,613		4,596
Income taxes		(196)		(204)
Total reclassification of defined benefit pension items, net of tax		$	4,417	$	4,392

(c) These AOCI components are included in the computation of net periodic pension costs. See Note 9, Employee Benefit Plans, for additional details.

Other Expense (Income), Net (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Other Income and Expenses [Abstract]
Employee termination benefit costs	$ 745	$ 2,518
Other costs for exit activities	12,334	1,958
Asset impairments	0	583
Net gains on sale of assets	(218)	(768)
Other expense (income), net	$ 12,861	$ 4,291

Trade Accounts Receivables and Other Receivables - Schedule of Receivables (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Receivables [Abstract]
Trade accounts receivable	$ 296,442	$ 278,488
Less: Allowance for expected credit losses	(10,926)	(11,049)
Trade accounts receivable, net	285,516	267,439
Other receivables	$ 40,328	$ 46,930

Debt and Credit Agreements - Schedule of Long-term Debt - New Enviri (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Debt obligation	$ 1,592,425	$ 1,567,001
Less: deferred financing costs	(9,839)	(10,818)
Total debt obligations, net of deferred financing costs	1,582,586	1,556,183
Current maturities of long-term debt	(25,835)	(25,874)
Long-term debt	1,556,751	1,530,309
Other financing payable (including finance leases) in varying amounts
Debt Instrument [Line Items]
Debt obligation	84,175	88,501
Term Loan Facility \| Term Loan
Debt Instrument [Line Items]
Debt obligation	476,250	477,500
Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt obligation	557,000	526,000
Senior Notes \| 5.75% Senior Notes
Debt Instrument [Line Items]
Debt obligation	$ 475,000	475,000
Interest rate	5.75%
New Enviri
Debt Instrument [Line Items]
Current maturities of long-term debt	$ (14,011)	(14,373)
New Enviri \| Nonrelated Party
Debt Instrument [Line Items]
Debt obligation	1,532,857	1,505,263
Less: deferred financing costs	(9,839)	(10,818)
Total debt obligations, net of deferred financing costs	1,523,018	1,494,445
Current maturities of long-term debt	(14,011)	(14,373)
Long-term debt	1,509,007	1,480,072
New Enviri \| Other financing payable (including finance leases) in varying amounts \| Nonrelated Party
Debt Instrument [Line Items]
Debt obligation	24,607	26,763
New Enviri \| Term Loan Facility \| Term Loan \| Nonrelated Party
Debt Instrument [Line Items]
Debt obligation	476,250	477,500
New Enviri \| Line of Credit \| Revolving Credit Facility \| Nonrelated Party
Debt Instrument [Line Items]
Debt obligation	557,000	526,000
New Enviri \| Senior Notes \| 5.75% Senior Notes \| Nonrelated Party
Debt Instrument [Line Items]
Debt obligation	$ 475,000	$ 475,000

Commitments and Contingencies - Schedule of Loss Contingencies by Contingency (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Commitments and Contingencies Disclosure [Abstract]
Current portion of environmental liabilities	$ 12,573	$ 12,736
Long-term environmental liabilities	38,019	38,256
Total environmental liabilities	$ 50,592	$ 50,992

Derivative Instruments, Hedging Activities and Fair Value - Effect of Derivative Instruments - New Enviri (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Effect of derivative instruments
Gain (Loss) Recognized in OCI on Derivatives	$ 2,563	$ (3,655)
Loss (Gain) Reclassified from AOCI into Income - Effective Portion or Equity	(871)	75
Foreign currency exchange forward contracts
Effect of derivative instruments
Gain (Loss) Recognized in OCI on Derivatives	491	(871)
Foreign currency exchange forward contracts \| Income (Loss) from Discontinued Businesses
Effect of derivative instruments
Loss (Gain) Reclassified from AOCI into Income - Effective Portion or Equity	(422)	192
Interest rate swaps
Effect of derivative instruments
Gain (Loss) Recognized in OCI on Derivatives	2,072	(2,784)
Interest rate swaps \| Interest Expense
Effect of derivative instruments
Loss (Gain) Reclassified from AOCI into Income - Effective Portion or Equity	(449)	(117)
New Enviri
Effect of derivative instruments
Gain (Loss) Recognized in OCI on Derivatives	2,563	(3,655)
Loss (Gain) Reclassified from AOCI into Income - Effective Portion or Equity	(871)	75
New Enviri \| Foreign currency exchange forward contracts
Effect of derivative instruments
Gain (Loss) Recognized in OCI on Derivatives	491	(871)
New Enviri \| Foreign currency exchange forward contracts \| Income (Loss) from Discontinued Businesses
Effect of derivative instruments
Loss (Gain) Reclassified from AOCI into Income - Effective Portion or Equity	(422)	192
New Enviri \| Interest rate swaps
Effect of derivative instruments
Gain (Loss) Recognized in OCI on Derivatives	2,072	(2,784)
New Enviri \| Interest rate swaps \| Interest Expense
Effect of derivative instruments
Loss (Gain) Reclassified from AOCI into Income - Effective Portion or Equity	$ (449)	$ (117)

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
Income Taxes (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ (24,387)	$ 2,001
Business exit costs	12,500
Tax benefit from vesting of stock-based compensation	5,100
Unrecognized tax benefits	6,000		$ 6,700
Unrecognized income tax benefit that will be recognized within the next twelve months	$ 2,000

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476153/220-40-55-4

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
-Paragraph 21
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476153/220-40-55-21

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476153/220-40-55-14

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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Components of Accumulated Other Comprehensive Loss - Accumulated Other Comprehensive Income (Loss) - New Enviri (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	$ 295,587	$ 429,666
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	1,027	3,695
Amounts reclassified from AOCI, net of tax	3,761	4,419
Total other comprehensive income (loss)	4,788	8,114
Less: OCI attributable to noncontrolling interests	(80)	(367)
Ending balance	274,911	432,533
Cumulative Foreign Exchange Translation Adjustments
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	(199,071)	(229,257)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(6,378)	15,101
Amounts reclassified from AOCI, net of tax	0	0
Total other comprehensive income (loss)	(6,378)	15,101
Less: OCI attributable to noncontrolling interests	(80)	(367)
OCI attributable to Enviri Corporation	(6,458)	14,734
Ending balance	(205,529)	(214,523)
Effective Portion of Derivatives Designated as Hedging Instruments
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	15	3,769
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	1,912	(2,824)
Amounts reclassified from AOCI, net of tax	(656)	27
Total other comprehensive income (loss)	1,256	(2,797)
Less: OCI attributable to noncontrolling interests	0	0
OCI attributable to Enviri Corporation	1,256	(2,797)
Ending balance	1,271	972
Cumulative Unrecognized Actuarial Losses on Pension Obligations
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	(315,450)	(311,919)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	5,493	(8,580)
Amounts reclassified from AOCI, net of tax	4,417	4,392
Total other comprehensive income (loss)	9,910	(4,188)
Less: OCI attributable to noncontrolling interests	0	0
OCI attributable to Enviri Corporation	9,910	(4,188)
Ending balance	(305,540)	(316,107)
Unrealized Gain (Loss) on Marketable Securities
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	25	22
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	(2)
Amounts reclassified from AOCI, net of tax	0	0
Total other comprehensive income (loss)	0	(2)
Less: OCI attributable to noncontrolling interests	0	0
OCI attributable to Enviri Corporation	0	(2)
Ending balance	25	20
Accumulated Other Comprehensive Loss
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	(514,481)	(537,385)
Total other comprehensive income (loss)	4,708	7,747
OCI attributable to Enviri Corporation	4,708	7,747
Ending balance	(509,773)	(529,638)
New Enviri
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	(568,361)	(438,079)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	3,065	908
Amounts reclassified from AOCI, net of tax	3,742	4,671
Total other comprehensive income (loss)	6,807	5,579
Less: OCI attributable to noncontrolling interests	(80)	(367)
Ending balance	(616,561)	(443,223)
New Enviri \| Cumulative Foreign Exchange Translation Adjustments
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	(204,315)	(229,880)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(5,005)	13,155
Amounts reclassified from AOCI, net of tax		0
Total other comprehensive income (loss)	(5,005)	13,155
Less: OCI attributable to noncontrolling interests	(80)	(367)
OCI attributable to Enviri Corporation	(5,085)	12,788
Ending balance	(209,400)	(217,092)
New Enviri \| Effective Portion of Derivatives Designated as Hedging Instruments
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	329	5,084
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	2,576	(3,715)
Amounts reclassified from AOCI, net of tax	(871)	75
Total other comprehensive income (loss)	1,705	(3,640)
Less: OCI attributable to noncontrolling interests	0	0
OCI attributable to Enviri Corporation	1,705	(3,640)
Ending balance	2,034	1,444
New Enviri \| Cumulative Unrecognized Actuarial Losses on Pension Obligations
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	(305,419)	(303,288)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	5,494	(8,530)
Amounts reclassified from AOCI, net of tax	4,613	4,596
Total other comprehensive income (loss)	10,107	(3,934)
Less: OCI attributable to noncontrolling interests	0	0
OCI attributable to Enviri Corporation	10,107	(3,934)
Ending balance	(295,312)	(307,222)
New Enviri \| Unrealized Gain (Loss) on Marketable Securities
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	25	22
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	(2)
Amounts reclassified from AOCI, net of tax	0	0
Total other comprehensive income (loss)	0	(2)
Less: OCI attributable to noncontrolling interests	0	0
OCI attributable to Enviri Corporation	0	(2)
Ending balance	25	20
New Enviri \| Accumulated Other Comprehensive Loss
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	(509,380)	(528,062)
Total other comprehensive income (loss)	6,727	5,212
OCI attributable to Enviri Corporation	6,727	5,212
Ending balance	$ (502,653)	$ (522,850)

Review of Operations by Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Segment Reporting [Abstract]
Number of reportable segments disclosed by definition flag	Total Reportable Segments
Operations by segment
Total revenues	$ 549,803	$ 547,907
Selling, general and administrative expenses	91,456	89,108
Other segment activities	12,715	4,485
Operating income (loss) from continuing operations	793	29,261
Interest income	473	454
Interest expense	(27,833)	(26,574)
Facility fees and debt-related income (expense)	(2,294)	(2,612)
Defined benefit pension income (expense)	(3,936)	(5,201)
Income (loss) from continuing operations before income taxes and equity in income	(32,797)	(4,672)
Depreciation	40,428	36,442
Amortization	7,844	7,403
Capital expenditures	33,727	21,624
Service and Product
Operations by segment
Cost of services and products sold	444,839	425,053
Operating Segments
Operations by segment
Total revenues	549,803	547,907
Selling, general and administrative expenses	80,714	77,172
Other segment activities	1,640	6,183
Operating income (loss) from continuing operations	22,610	39,499
Depreciation	40,195	36,161
Amortization	6,795	6,452
Capital expenditures	33,598	21,526
Operating Segments \| Service and Product
Operations by segment
Cost of services and products sold	444,839	425,053
Operating Segments \| Harsco Environmental
Operations by segment
Total revenues	256,717	243,106
Selling, general and administrative expenses	27,943	26,628
Other segment activities	738	4,388
Operating income (loss) from continuing operations	10,029	10,073
Depreciation	27,896	25,509
Amortization	572	540
Capital expenditures	17,407	14,094
Operating Segments \| Harsco Environmental \| Service and Product
Operations by segment
Cost of services and products sold	218,007	202,017
Operating Segments \| Clean Earth
Operations by segment
Total revenues	225,755	234,854
Selling, general and administrative expenses	41,013	38,962
Other segment activities	104	(15)
Operating income (loss) from continuing operations	15,778	22,288
Depreciation	11,103	9,620
Amortization	5,938	5,845
Capital expenditures	14,423	6,652
Operating Segments \| Clean Earth \| Service and Product
Operations by segment
Cost of services and products sold	168,860	173,619
Operating Segments \| Harsco Rail
Operations by segment
Total revenues	67,331	69,947
Selling, general and administrative expenses	11,758	11,582
Other segment activities	798	1,810
Operating income (loss) from continuing operations	(3,197)	7,138
Depreciation	1,196	1,032
Amortization	285	67
Capital expenditures	1,768	780
Operating Segments \| Harsco Rail \| Service and Product
Operations by segment
Cost of services and products sold	57,972	49,417
Corporate
Operations by segment
Total revenues	0	0
Selling, general and administrative expenses	10,742	11,936
Other segment activities	11,075	(1,698)
Operating income (loss) from continuing operations	(21,817)	(10,238)
Depreciation	233	281
Amortization	1,049	951
Capital expenditures	129	98
Corporate \| Service and Product
Operations by segment
Cost of services and products sold	$ 0	$ 0

Leases

3 Months Ended

Mar. 31, 2026

Leases [Abstract]

Leases*

The components of lease expense were as follows:


	Three Months Ended
	March 31
(In thousands)		2026		2025
Finance leases:
Depreciation expense		$	4,811	$	3,959
Interest on lease liabilities		1,532		1,392
Operating leases		10,419		9,572
Variable and short-term lease expense		13,085		12,580
Sublease income		(47)		(2)
Total lease expense		$	29,800	$	27,501