Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Operating Activities
Net income	$ 278,924	$ 284,967	$ 58,583
Depreciation and amortization	71,591	64,333	60,773
Tax-effected loss on divestiture of MSA LLC (Note 21)	0	0	199,578
Stock-based compensation (Note 12)	15,197	18,185	30,023
Pension income (Note 16)	(13,976)	(8,147)	(7,915)
Deferred income tax benefit (Note 11)	(4,962)	(98)	(8,514)
Loss on asset write-down and dispositions, net	1,408	819	173
Pension contributions (Note 16)	(7,028)	(7,877)	(5,217)
Currency exchange losses, net	15,801	3,638	17,079
Product liability expense (Note 21)	0	0	3
Product liability payments (Note 21)	0	0	(5,250)
Contribution on divestiture of MSA LLC (Note 21)	0	0	(341,186)
Changes in:
Trade receivables	(5,172)	(1,383)	(7,102)
Inventories (Note 5)	(10,464)	(14,673)	51,585
Accounts payable	(4,656)	3,057	(5,452)
Other current assets and liabilities	26,909	(49,087)	53,509
Other noncurrent assets and liabilities	295	2,694	2,187
Cash Flow From Operating Activities	363,867	296,428	92,857
Investing Activities
Capital expenditures	(68,438)	(54,223)	(42,764)
Acquisitions, net of cash acquired (Note 15)	189,275	0	0
Property disposals and other investing	79	468	2,811
Cash Flow Used In Investing Activities	(257,634)	(53,755)	(39,953)
Financing Activities
Payments on long-term debt (Note 13)	(1,076,384)	(1,243,897)	(1,871,102)
Proceeds from long-term debt (Note 13)	1,143,698	1,149,643	1,895,000
Debt issuance costs	(3,084)	(200)	(1,138)
Cash dividends paid	(82,344)	(78,759)	(73,488)
Company stock purchases (Note 8)	(89,962)	(37,340)	(3,961)
Exercise of stock options (Note 8)	569	501	1,473
Employee stock purchase plan (Note 8)	2,042	1,363	963
Cash Flow Used In Financing Activities	(105,465)	(208,689)	(52,253)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	127	(17,295)	(16,671)
Change in cash, cash equivalents and restricted cash	895	16,689	(16,020)
Beginning cash, cash equivalents and restricted cash	165,097	148,408	164,428
Ending cash, cash equivalents and restricted cash	165,992	165,097	148,408
Supplemental cash flow information:
Cash and cash equivalents	165,067	164,560	146,442
Restricted cash included in prepaid expenses and other current assets	925	537	1,966
Total cash, cash equivalents and restricted cash	165,992	165,097	148,408
Interest paid in cash	32,135	35,703	47,258
Income tax paid in cash	$ 101,605	$ 102,673	$ 69,085