CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive (Loss)Income	Common Stock Par Value	Treasury Stock	Capital in Excess of Par Value	Non- Controlling Interest
Balance at beginning of period at Dec. 31, 2019	$ 1,572,252	$ (1,377)	$ 1,523,820	$ (1,377)	$ (341,948)	$ 686	$ (381,238)	$ 770,596	$ 336
Increase (Decrease) in Stockholders' Equity
Net income	214,090		214,040						50
Foreign currency translation adjustments	79,109				79,099				10
Changes in unrecognized pension gains (losses) and related amortization, net of tax	(19,175)				(19,175)
Changes in derivative gains (losses), net of tax	315				315
Stock awards and option exercises	98,229					9	19,655	78,565
Cash dividends declared on common stock	(92,658)		(92,658)
Balance at end of period at Dec. 31, 2020	1,850,785		1,643,825		(281,709)	695	(361,583)	849,161	396
Increase (Decrease) in Stockholders' Equity
Net income	243,638		244,097						(459)
Acquisitions of non-controlling interest	38,543								38,543
Purchases of subsidiary shares from non-controlling interest	(23,020)								(23,020)
Foreign currency translation adjustments	(71,742)				(71,475)				(267)
Changes in unrecognized pension gains (losses) and related amortization, net of tax	35,836				35,836
Changes in derivative gains (losses), net of tax	1,307				1,307
Stock awards and option exercises	85,910					9	18,528	67,373
Cash dividends declared on common stock	(98,509)		(98,509)
Treasury stock purchased	(78,148)						(78,148)
Balance at end of period at Dec. 31, 2021	1,984,600		1,789,413		(316,041)	704	(421,203)	916,534	15,193
Increase (Decrease) in Stockholders' Equity
Net income	239,555		239,288						267
Foreign currency translation adjustments	(80,431)				(79,240)				(1,191)
Changes in unrecognized pension gains (losses) and related amortization, net of tax	60,535				60,535
Changes in derivative gains (losses), net of tax	(6,620)				(6,620)
Stock awards and option exercises	62,152					5	10,063	52,084
Cash dividends declared on common stock	(99,461)		(99,461)
Treasury stock purchased	(92,126)						(92,126)
Balance at end of period at Dec. 31, 2022	$ 2,068,204		$ 1,929,240		$ (341,366)	$ 709	$ (503,266)	$ 968,618	$ 14,269