Reclassifications Out of Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2023

Equity [Abstract]

Reclassification Out of Accumulated Other Comprehensive Loss

	MSA Safety Incorporated						Noncontrolling Interests
(In thousands)	2023		2022		2021		2023		2022		2021
Pension and other post-retirement benefits(a)
Balance at beginning of period	$	(50,335)	$	(57,296)	$	(115,552)	$	—	$	—	$	—
Unrecognized net actuarial gains (losses)	8,654		(2,862)		54,384		—		—		—
Tax (expense) benefit	(1,514)		703		(12,804)		—		—		—
Total other comprehensive gain (loss) before reclassifications, net of tax	7,140		(2,159)		41,580		—		—		—
Amounts reclassified from accumulated other comprehensive loss into net income:
Amortization of prior service credit (Note 15)	(84)		(199)		(95)		—		—		—
Recognized net actuarial losses (Note 15)	812		12,592		22,531		—		—		—
Tax benefit	(185)		(3,273)		(5,760)		—		—		—
Total amount reclassified from accumulated other comprehensive loss, net of tax, into net income	543		9,120		16,676		—		—		—
Total other comprehensive income	$	7,683	$	6,961	$	58,256	$	—	$	—	$	—
Balance at end of period	$	(42,652)	$	(50,335)	$	(57,296)	$	—	$	—	$	—
Available-for-sale securities
Balance at beginning of period	$	(2)	$	(5)	$	(1)	$	—	$	—	$	—
Unrealized gain (loss) on available-for-sale securities (Note 19)	2		3		(4)		—		—		—
Balance at end of period	$	—	$	(2)	$	(5)	$	—	$	—	$	—
Foreign currency translation
Balance at beginning of period	$	(108,380)	$	(91,839)	$	(66,844)	$	—	$	—	$	372
Reclassification from accumulated other comprehensive loss into net income(b)	101		2,912		267		—		—		—
Acquisition of noncontrolling interests in consolidated subsidiaries	—		—		—		—		—		(280)
Foreign currency translation adjustments	21,682		(19,453)		(25,262)		—		—		(92)
Balance at end of period	$	(86,597)	$	(108,380)	$	(91,839)	$	—	$	—	$	—
(a)Reclassifications out of accumulated other comprehensive loss and into net income are included in the computation of net periodic pension and other post-retirement benefit costs (refer to Note 15—Pensions and Other Post-retirement Benefits). (b)Reclassifications out of accumulated other comprehensive loss and into net income relate primarily to the approval of our plan to close a foreign subsidiary. The reclassifications are included in Currency exchange losses, net, within the Consolidated Statements of Income.