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, 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)	173,391	173,558					(167)
Foreign currency translation adjustments	(66,111)	235	(65,805)				(541)
Changes in unrecognized pension gains and related amortization, net of tax	506		506
Changes in derivative gains (losses), net of tax	5,509		5,509
Stock awards and option exercises	46,988			4	8,853	38,131
Cash dividends declared on common stock	(54,232)	(54,232)
Treasury stock purchased	(17,134)				(17,134)
Ending balance at Jun. 30, 2024	2,410,215	2,229,377	(368,524)	721	(547,685)	1,082,560	13,766
Beginning balance at Mar. 31, 2024	2,362,933	2,165,858	(347,418)	720	(545,630)	1,075,329	14,074
Increase (Decrease) in Stockholders' Equity
Net income (loss)	90,458	90,454					4
Foreign currency translation adjustments	(24,009)	233	(23,930)				(312)
Changes in unrecognized pension gains and related amortization, net of tax	223		223
Changes in derivative gains (losses), net of tax	2,601		2,601
Stock awards and option exercises	10,235			1	3,003	7,231
Cash dividends declared on common stock	(27,168)	(27,168)
Treasury stock purchased	(5,058)				(5,058)
Ending balance at Jun. 30, 2024	2,410,215	2,229,377	(368,524)	721	(547,685)	1,082,560	13,766
Beginning balance at Dec. 31, 2024	2,485,924	2,370,537	(429,475)	725	(595,781)	1,125,882	14,036
Increase (Decrease) in Stockholders' Equity
Net income (loss)	190,395	190,518					(123)
Foreign currency translation adjustments	245,117	1	241,337				3,779
Changes in unrecognized pension gains and related amortization, net of tax	395		395
Changes in derivative gains (losses), net of tax	(18,005)		(18,005)
Stock awards and option exercises	24,401			2	6,554	17,845
Cash dividends declared on common stock	(59,641)	(59,641)
Treasury stock purchased	(150,000)				(150,000)
Excise tax on treasury shares	(772)				(772)
Ending balance at Jun. 30, 2025	2,717,814	2,501,415	(205,748)	727	(739,999)	1,143,727	17,692
Beginning balance at Mar. 31, 2025	2,551,534	2,419,414	(350,858)	726	(674,344)	1,142,620	13,976
Increase (Decrease) in Stockholders' Equity
Net income (loss)	111,732	111,720					12
Foreign currency translation adjustments	162,756	(1)	159,053				3,704
Changes in unrecognized pension gains and related amortization, net of tax	195		195
Changes in derivative gains (losses), net of tax	(14,138)		(14,138)
Stock awards and option exercises	5,642			1	4,534	1,107
Cash dividends declared on common stock	(29,718)	(29,718)
Treasury stock purchased	(70,000)				(70,000)
Excise tax on treasury shares	(189)				(189)
Ending balance at Jun. 30, 2025	$ 2,717,814	$ 2,501,415	$ (205,748)	$ 727	$ (739,999)	$ 1,143,727	$ 17,692