CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Total	Retained Earnings	Accumulated Other Comprehensive (Loss) Income	Common Stock Par Value	Treasury Stock	Capital in Excess of Par Value	Non- Controlling Interest
Beginning balance at Dec. 31, 2022	$ 2,068,204	$ 1,929,240	$ (341,366)	$ 709	$ (503,266)	$ 968,618	$ 14,269
Increase (Decrease) in Stockholders' Equity
Net income (loss)	221,931	222,132					(201)
Foreign currency translation adjustments	(28,639)	(227)	(28,294)				(118)
Changes in unrecognized pension gains (losses) and related amortization, net of tax	644		644
Changes in derivative losses, net of tax	(2,424)		(2,424)
Stock awards and option exercises	67,986			6	7,935	60,045
Cash dividends declared on common stock	(76,711)	(76,711)
Treasury stock purchased	(37,302)				(37,302)
Ending balance at Sep. 30, 2023	2,213,689	2,074,434	(371,440)	715	(532,633)	1,028,663	13,950
Beginning balance at Jun. 30, 2023	2,188,426	2,017,065	(321,913)	713	(526,484)	1,005,007	14,038
Increase (Decrease) in Stockholders' Equity
Net income (loss)	84,298	84,296					2
Foreign currency translation adjustments	(52,514)	(1)	(52,423)				(90)
Changes in unrecognized pension gains (losses) and related amortization, net of tax	189		189
Changes in derivative losses, net of tax	2,707		2,707
Stock awards and option exercises	25,772			2	2,114	23,656
Cash dividends declared on common stock	(26,926)	(26,926)
Treasury stock purchased	(8,263)				(8,263)
Ending balance at Sep. 30, 2023	2,213,689	2,074,434	(371,440)	715	(532,633)	1,028,663	13,950
Beginning balance at Dec. 31, 2023	2,321,298	2,109,816	(308,734)	717	(539,404)	1,044,429	14,474
Increase (Decrease) in Stockholders' Equity
Net income (loss)	273,313	273,597					(284)
Foreign currency translation adjustments	625	235	(52)				442
Changes in unrecognized pension gains (losses) and related amortization, net of tax	108		108
Changes in derivative losses, net of tax	(202)		(202)
Stock awards and option exercises	73,910			6	10,736	63,168
Cash dividends declared on common stock	(84,108)	(84,108)
Treasury stock purchased	(31,303)				(31,303)
Ending balance at Sep. 30, 2024	2,553,641	2,299,540	(308,880)	723	(559,971)	1,107,597	14,632
Beginning balance at Jun. 30, 2024	2,410,215	2,229,377	(368,524)	721	(547,685)	1,082,560	13,766
Increase (Decrease) in Stockholders' Equity
Net income (loss)	99,922	100,039					(117)
Foreign currency translation adjustments	66,736	0	65,753				983
Changes in unrecognized pension gains (losses) and related amortization, net of tax	(398)		(398)
Changes in derivative losses, net of tax	(5,711)		(5,711)
Stock awards and option exercises	26,922			2	1,883	25,037
Cash dividends declared on common stock	(29,876)	(29,876)
Treasury stock purchased	(14,169)				(14,169)
Ending balance at Sep. 30, 2024	$ 2,553,641	$ 2,299,540	$ (308,880)	$ 723	$ (559,971)	$ 1,107,597	$ 14,632