Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Operating Activities
Net income (loss)	$ 58,139		$ (150,173)
Depreciation and amortization	15,559		14,572
Tax-effected loss on divestiture of MSA LLC (Note 17)	0		199,578
Stock-based compensation (Note 11)	4,187		6,270
Pension income (Note 14)	(2,208)		(2,020)
Deferred income tax benefit (Note 10)	(2,190)		(237)
Loss on asset dispositions, net	51		739
Pension contributions (Note 14)	(1,316)		(2,046)
Currency exchange losses, net	2,333		4,175
Product liability expense (Note 17)	0		3
Product liability payments (Note 17)	0		(5,250)
Contribution on divestiture of MSA LLC (Note 17)	0		(341,186)
Changes in:
Trade receivables	12,132		21,662
Inventories (Note 4)	(14,946)		(7,404)
Accounts payable	6,175		(7,320)
Other current assets and liabilities	(26,328)		(18,041)
Other noncurrent assets and liabilities	(702)		769
Cash Flow From (Used in) Operating Activities	50,886		(285,909)
Investing Activities
Capital expenditures	(11,219)		(8,402)
Property disposals and other investing	0		35
Cash Flow Used in Investing Activities	(11,219)		(8,367)
Financing Activities
Proceeds from long-term debt (Note 12)	326,000		801,000
Payments on long-term debt (Note 12)	(331,010)		(505,588)
Debt issuance costs	0		(913)
Cash dividends paid	(18,490)		(18,045)
Company stock purchases (Note 7)	(5,838)		(3,687)
Exercise of stock options (Note 7)	253		4
Cash Flow (Used in) From Financing Activities	(29,085)		272,771
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(8,676)		(2,287)
Increase (decrease) in cash, cash equivalents and restricted cash	1,906		(23,792)
Beginning cash, cash equivalents and restricted cash	148,408		164,428
Ending cash, cash equivalents and restricted cash	150,314	$ 148,408	140,636
Supplemental cash flow information:
Cash and cash equivalents	148,329	146,442	138,906
Restricted cash included in prepaid expenses and other current assets	1,985		1,730
Total cash, cash equivalents and restricted cash	$ 150,314	$ 148,408	$ 140,636