Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating Activities
Net income (loss)	$ 130,373	$ (83,083)
Depreciation and amortization	31,605	29,461
Tax-effected loss on divestiture of MSA LLC (Note 17)	0	199,578
Stock-based compensation (Note 11)	9,229	13,029
Pension income (Note 14)	(3,108)	(4,040)
Deferred income tax benefit (Note 10)	(2,226)	(393)
Loss (gain) on asset dispositions, net	752	(713)
Pension contributions (Note 14)	(2,632)	(4,092)
Currency exchange losses, net	1,730	7,285
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	(15,798)	(10,410)
Inventories (Note 4)	(32,798)	5,896
Accounts payable	20,980	(6,756)
Other current assets and liabilities	(35,109)	5,943
Other noncurrent assets and liabilities	1,190	3,887
Cash Flow From (Used in) Operating Activities	104,188	(190,841)
Investing Activities
Capital expenditures	(25,560)	(18,322)
Property disposals and other investing	74	2,674
Cash Flow Used in Investing Activities	(25,486)	(15,648)
Financing Activities
Proceeds from long-term debt (Note 12)	598,000	1,108,000
Payments on long-term debt (Note 12)	(611,260)	(871,102)
Debt issuance costs	0	(963)
Cash dividends paid	(38,589)	(36,514)
Company stock purchases (Note 7)	(16,829)	(3,871)
Exercise of stock options (Note 7)	326	542
Employee stock purchase plan (Note 7)	634	497
Cash Flow (Used in) From Financing Activities	(67,718)	196,589
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(10,557)	(5,651)
Increase (decrease) in cash, cash equivalents and restricted cash	427	(15,551)
Beginning cash, cash equivalents and restricted cash	148,408	164,428
Ending cash, cash equivalents and restricted cash	148,835	148,877
Supplemental cash flow information:
Cash and cash equivalents	146,830	146,897
Restricted cash included in prepaid expenses and other current assets	2,005	1,980
Total cash, cash equivalents and restricted cash	$ 148,835	$ 148,877