Condensed Consolidated Statement of Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Capital in Excess of Par Value	Retained Earnings	Treasury Stock	Deferred Compensation Obligation	Accumulated Other Comprehensive Income (Loss)	Non- controlling Interests
Balance — (in shares) at Dec. 31, 2021		176,793			46,794
Balance — at Dec. 31, 2021	$ 1,837,345	$ 220,991	$ 506,386	$ 3,691,023	$ (2,057,706)	$ 7,214	$ (563,589)	$ 33,026
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock activity under stock plans (in shares)					370
Stock activity under stock plans	(3,532)		(21,246)		$ 17,806	(92)
Stock-based compensation	11,011		11,011
Net earnings	(13,679)			(15,820)				2,141
Cash dividends declared ($0.20 per share)	(26,525)			(26,525)
Other comprehensive income (loss), net of tax	(13,128)						(14,464)	1,336
Other, net	(437)						0	(437)
Balance — (in shares) at Mar. 31, 2022		176,793			46,424
Balance — at Mar. 31, 2022	$ 1,791,055	$ 220,991	496,151	3,648,678	$ (2,039,900)	7,122	(578,053)	36,066
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared per share (in dollars per share)	$ 0.20
Balance — (in shares) at Dec. 31, 2022	176,793	176,793			46,359
Balance — at Dec. 31, 2022	$ 1,858,607	$ 220,991	507,484	3,774,209	$ (2,036,882)	6,979	(647,788)	33,614
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock activity under stock plans (in shares)					437
Stock activity under stock plans	(5,052)		(25,290)		$ 20,365	(127)
Stock-based compensation	9,953		9,953
Net earnings	29,996			26,766				3,230
Cash dividends declared ($0.20 per share)	(26,596)			(26,596)
Other comprehensive income (loss), net of tax	13,093						16,254	(3,161)
Other, net	$ (304)							(304)
Balance — (in shares) at Mar. 31, 2023	176,793	176,793			45,922
Balance — at Mar. 31, 2023	$ 1,879,697	$ 220,991	$ 492,147	$ 3,774,379	$ (2,016,517)	$ 6,852	$ (631,534)	$ 33,379
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared per share (in dollars per share)	$ 0.20