Components of Accumulated Other Comprehensive Loss

12 Months Ended

Dec. 31, 2025

Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]

Components of Accumulated Other Comprehensive Loss

Components of Accumulated Other Comprehensive Loss*

AOCI is included on the Consolidated Statements of Stockholders' Equity. The components of AOCI, net of the effect of income taxes, and activity for the years ended December 31, 2025 and 2024 are 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, 2023	$	(184,376)		$	(470)		$	(357,159)		$	15	$	(541,990)
OCI before reclassifications	(45,998)		(a)	7,036		(b)	27,716		(c)	7		(11,239)
Amounts reclassified from AOCI, net of tax	(108)			(2,797)			17,524			—		14,619
Total OCI	(46,106)			4,239			45,240			7		3,380
Less: OCI attributable to noncontrolling interests	1,225			—			—			—		1,225
OCI attributable to Enviri Corporation	(44,881)			4,239			45,240			7		4,605
Balance at December 31, 2024	(229,257)			3,769			(311,919)			22		(537,385)
OCI before reclassifications	32,045		(a)	(4,824)		(b)	(21,046)		(c)	3		6,178
Amounts reclassified from AOCI, net of tax	—			1,070			17,515			—		18,585
Total OCI	32,045			(3,754)			(3,531)			3		$	24,763
Less: OCI attributable to noncontrolling interests	(1,859)			—			—			—		(1,859)
OCI attributable to Enviri Corporation	30,186			(3,754)			(3,531)			3		22,904
Balance at December 31, 2025	$	(199,071)		$	15		$	(315,450)		$	25	$	(514,481)

(a)     Principally foreign currency fluctuation.

(b)     Principally net change from periodic revaluations.

(c)     Principally changes due to annual actuarial remeasurements and foreign currency translation.

Amounts reclassified from AOCI for 2025 and 2024 are as follows:

	Year Ended December 31, 2025		Year Ended December 31, 2024		Affected Caption on the Consolidated Statements of Operations
(In thousands)
Amortization of defined benefit pension items (d):
Actuarial losses	$	18,547	$	19,213	Defined benefit pension income (expense)
Prior-service costs	490		492		Defined benefit pension income (expense)
Settlement/curtailment gain	(707)		(1,125)		Defined benefit pension income (expense)
Total before tax	18,330		18,580
Tax benefit	(815)		(1,056)
Total reclassification of defined benefit pension items, net of tax	$	17,515	$	17,524
Amortization of cash flow hedging instruments(e):
Foreign currency exchange forward contracts	$	1,454	$	(695)	Product revenues
Interest rate swaps	(230)		(3,018)		Interest expense
Total before tax	1,224		(3,713)
Tax benefit	(154)		916
Total reclassification of cash flow hedging instruments	$	1,070	$	(2,797)
Recognition of cumulative foreign exchange translation adjustments:
Gain on substantial liquidation of subsidiaries(f)	$	—	$	(108)	Other (income) expenses, net
Total reclassification of cumulative foreign exchange translation adjustments	$	—	$	(108)

(d)     These AOCI components are included in the computation of NPPC. See Note 10, Employee Benefit Plans, for additional information.

(e) See Note 15, Financial Instruments for additional information.

(f)    No tax impact