Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Operating Activities
Net income	$ 284,967	$ 58,583	$ 179,630
Depreciation and amortization	64,333	60,773	56,317
Tax-effected loss on divestiture of MSA LLC (Note 20)	0	199,578	0
Stock-based compensation (Note 12)	18,185	30,023	19,650
Pension income (Note 15)	(8,147)	(7,915)	(11,499)
Deferred income tax (benefit) provision (Note 11)	(98)	(8,514)	5,171
Loss on asset write-down and dispositions, net	819	173	6,290
Pension contributions (Note 15)	(7,877)	(5,217)	(5,032)
Currency exchange losses, net (Note 7)	3,638	17,079	10,255
Product liability expense (Note 20)	0	3	20,590
Collections on insurance receivable and notes receivable, insurance companies (Note 20)	0	0	9,516
Product liability payments (Note 20)	0	(5,250)	(36,755)
Contribution on divestiture of MSA LLC (Note 20)	0	(341,186)	0
Changes in:
Trade receivables	(1,383)	(7,102)	(38,587)
Inventories (Note 5)	(14,673)	51,585	(67,366)
Accounts payable	3,057	(5,452)	7,585
Other current assets and liabilities	(49,087)	53,509	(1,795)
Other noncurrent assets and liabilities	2,694	2,187	3,485
Cash Flow From Operating Activities	296,428	92,857	157,455
Investing Activities
Capital expenditures	(54,223)	(42,764)	(42,553)
Purchase of short-term investments (Note 19)	0	0	(79,542)
Proceeds from maturities of short-term investments (Note 19)	0	0	119,000
Property disposals and other investing	468	2,811	(1,389)
Cash Flow Used In Investing Activities	(53,755)	(39,953)	(4,484)
Financing Activities
Payments on long-term debt (Note 13)	(1,243,897)	(1,871,102)	(1,023,000)
Proceeds from long-term debt (Note 13)	1,149,643	1,895,000	1,010,000
Debt issuance costs	(200)	(1,138)	0
Cash dividends paid	(78,759)	(73,488)	(71,497)
Company stock purchases (Note 8)	(37,340)	(3,961)	(34,394)
Exercise of stock options (Note 8)	501	1,473	4,650
Employee stock purchase plan (Note 8)	1,363	963	891
Cash Flow Used In Financing Activities	(208,689)	(52,253)	(113,350)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(17,295)	(16,671)	(16,631)
Change in cash, cash equivalents and restricted cash	16,689	(16,020)	22,990
Beginning cash, cash equivalents and restricted cash	148,408	164,428	141,438
Ending cash, cash equivalents and restricted cash	165,097	148,408	164,428
Supplemental cash flow information:
Cash and cash equivalents	164,560	146,442	162,902
Restricted cash included in prepaid expenses and other current assets	537	1,966	1,526
Total cash, cash equivalents and restricted cash	165,097	148,408	164,428
Interest paid in cash	35,703	47,258	20,740
Income tax paid in cash	$ 102,673	$ 69,085	$ 60,491