Reclassifications Out of Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2025

Equity [Abstract]

Reclassification Out of Accumulated Other Comprehensive Loss

	MSA Safety Incorporated
(In thousands)	2025		2024		2023
Pension and other post-retirement benefits(a)
Balance at beginning of period	$	(11,390)	$	(42,652)	$	(50,335)
Unrecognized net actuarial gains	40,868		39,049		8,654
Tax expense	(10,095)		(9,579)		(1,514)
Total other comprehensive gain before reclassifications, net of tax	30,773		29,470		7,140
Amounts reclassified from accumulated other comprehensive loss into net income:
Amortization of prior service cost (credit) (Note 16)	650		(42)		(84)
Recognized net actuarial losses (Note 16)	1,759		2,482		812
Tax benefit	(608)		(648)		(185)
Total amount reclassified from accumulated other comprehensive loss, net of tax, into net income	1,801		1,792		543
Total other comprehensive income	$	32,574	$	31,262	$	7,683
Balance at end of period	$	21,184	$	(11,390)	$	(42,652)
Foreign currency forward cash flow hedges
Balance at beginning of period	$	—	$	—	$	—
Unrealized losses on cash flow hedges (Note 19)	(215)		—		—
Balance at end of period	$	(215)	$	—	$	—
Available-for-sale securities
Balance at beginning of period	$	—	$	—	$	(2)
Unrealized gains on available-for-sale securities (Note 20)	—		—		2
Balance at end of period	$	—	$	—	$	—
Foreign currency translation
Balance at beginning of period	$	(130,259)	$	(86,597)	$	(108,380)
Reclassification of currency translation from accumulated other comprehensive loss into net income(b)	(764)		(1,200)		101
Foreign currency translation adjustments	68,273		(42,462)		21,682
Balance at end of period	$	(62,750)	$	(130,259)	$	(86,597)
(a)Reclassifications out of accumulated other comprehensive loss (AOCL) and into net income are included in the computation of net periodic pension and other post-retirement benefit costs (refer to Note 16—Pensions and Other Post-retirement Benefits). (b)Reclassifications out of AOCL and into net income relate primarily to the recognition of non-cash net cumulative translation (gains)/losses associated with certain foreign subsidiaries. The reclassifications are included in Currency exchange losses, net, within the Consolidated Statements of Income.