Components of Accumulated Other Comprehensive Loss (Tables)

6 Months Ended

Jun. 30, 2025

Equity [Abstract]

Schedule of accumulated other comprehensive loss

18. Components of Accumulated Other Comprehensive Loss

AOCI is included on the Condensed Consolidated Statements of Stockholders' Equity. The components of AOCI, net of the effect of income taxes, and activity for the six months ended June 30, 2025 and 2024, 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, 2024	$	(228,698)	$	3,769	$	(314,057)	$	22	$	(538,964)
OCI before reclassifications (a)(b)	38,670		(5,019)		(24,499)		6		9,158
Amounts reclassified from AOCI, net of tax	—		422		9,171		—		9,593
Total OCI	38,670		(4,597)		(15,328)		6		18,751
Less: OCI attributable to noncontrolling interests	(1,155)		—		—		—		(1,155)
OCI attributable to Enviri Corporation	37,515		(4,597)		(15,328)		6		17,596
Balance at June 30, 2025	$	(191,183)	$	(828)	$	(329,385)	$	28	$	(521,368)

	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, 2023	(183,499)	(470)	(355,740)	15	(539,694)
OCI before reclassifications (a)(b)	(27,340)	3,712	2,058	(3)	(21,573)
Amounts reclassified from AOCI, net of tax	—	(1,721)	9,395	—	7,674
Total OCI	(27,340)	1,991	11,453	(3)	(13,899)
Less: OCI attributable to noncontrolling interests	1,045	—	—	—	1,045
OCI attributable to Enviri Corporation	(26,295)	1,991	11,453	(3)	(12,854)
Balance at June 30, 2024	(209,794)	1,521	(344,287)	12	(552,548)

(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				Six Months Ended				Location on the Condensed Consolidated Statements of Operations
	June 30				June 30
	2025		2024		2025		2024
Amortization of cash flow hedging instruments:
Foreign currency exchange forward contracts	$	697	$	(93)	$	889	$	(497)	Product revenues
Interest rate swaps	(113)		(871)		(230)		(1,753)		Interest expense
Total before income taxes	584		(964)		659		(2,250)
Income taxes	(189)		245		(237)		529
Total reclassification of cash flow hedging instruments, net of tax	$	395	$	(719)	$	422	$	(1,721)
Amortization of defined benefit pension items (c):
Actuarial losses	$	4,806	$	4,839	$	9,341	$	9,685	Defined benefit pension income (expense)
Prior service costs	123		117		237		235		Defined benefit pension income (expense)
Total before income taxes	4,929		4,956		9,578		9,920
Income taxes	(203)		(262)		(407)		(525)
Total reclassification of defined benefit pension items, net of tax	$	4,726	$	4,694	$	9,171	$	9,395

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