Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating activities
Net earnings	$ 325,513	$ 430,483	$ 298,937
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	184,373	163,991	167,037
Gain on disposal of property and equipment	(554)	(455)	(303)
Inventory write-offs for obsolescence	37,426	26,898	20,657
Pensions and other postretirement benefits, net of contributions	(9,559)	(615)	2,106
Stock compensation expense	16,532	6,545	6,605
Loss on early extinguishment of debt	18,874	0	0
Deferred income taxes	36,783	38,677	50,613
Other operating activities	9,442	835	9,621
Change in U.S. transition tax liability	(27,670)	(14,757)	(14,757)
Change in repatriation tax liability	(63,600)	(25,201)	0
Net change in operating assets and liabilities, net of effects of businesses acquired	(161,857)	(142,113)	(83,412)
Net cash provided by operating activities	365,703	484,288	457,104
Investing activities
Capital expenditures	(329,410)	(325,308)	(218,372)
Proceeds from sale of property and equipment	1,156	1,198	1,317
Purchase of and deposits for businesses, net of cash acquired	(13,753)	(50,000)	(20,847)
Purchase of short-term investments	(117,523)	(285,956)	(140,603)
Maturity of short-term investments	387,898	132,901	147,893
Other investing activities	(1,219)	(1,766)	129
Net cash used in investing activities	(72,851)	(528,931)	(230,483)
Financing activities
Proceeds from long-term borrowings	750,000	0	0
Repurchase of convertible debt instruments	(386,745)	0	(300)
Net proceeds (payments) on revolving credit facility	(42,000)	42,000	0
Debt issuance costs	(26,823)	0	0
Cash paid for capped call	(94,200)	0	0
Repurchase of common stock held in treasury	(78,684)	(82,972)	0
Distributions to noncontrolling interests	(867)	(741)	(800)
Cash withholding taxes paid when shares withheld for vested equity awards	(3,994)	(2,123)	(1,963)
Net cash provided by (used in) financing activities	61,061	(101,023)	(58,814)
Effect of exchange rate changes on cash and cash equivalents	7,981	(17,617)	(13,573)
Net increase (decrease) in cash and cash equivalents	361,894	(163,283)	154,234
Cash and cash equivalents at beginning of year	610,825	774,108	619,874
Cash and cash equivalents at end of year	972,719	610,825	774,108
Common Stock [Member]
Financing activities
Dividends paid	(50,787)	(52,348)	(51,094)
Class B Convertible Common Stock [Member]
Financing activities
Dividends paid	$ (4,839)	$ (4,839)	$ (4,657)