CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Shares	Noncontrolling Interests	Total
Beginning Balance at Dec. 31, 2021	$ 9,858	$ 451,268	$ 2,970,303	$ (257,386)	$ (2,309,941)	$ (193)	$ 863,909
Beginning Balance (in shares) at Dec. 31, 2021	58,787,000
Increase (Decrease) in Stockholders' Equity
Net income			126,030			1	126,031
Defined benefit pension plan activity, net of tax				107			107
Unrealized gain on derivatives designated and qualifying as cash flow hedges, net of tax				5,355			5,355
Currency translation adjustment				(7,583)		134	(7,449)
Cash dividends declared			(32,505)				(32,505)
Stock-based compensation activity		10,834			1,349		12,183
Stock-based compensation activity (in shares)	116,000
Purchase of shares for treasury					(104,579)		(104,579)
Purchase of shares for treasury (in shares)	(805,000)
Other		115	(107)				8
Ending Balance at Mar. 31, 2022	$ 9,858	462,217	3,063,721	(259,507)	(2,413,171)	(58)	863,060
Ending Balance (in shares) at Mar. 31, 2022	58,098,000
Beginning Balance at Dec. 31, 2022	$ 9,858	481,857	3,306,500	(275,299)	(2,488,776)	(99)	1,034,041
Beginning Balance (in shares) at Dec. 31, 2022	57,624,000
Increase (Decrease) in Stockholders' Equity
Net income			121,931			28	121,959
Defined benefit pension plan activity, net of tax				560			560
Unrealized gain on derivatives designated and qualifying as cash flow hedges, net of tax				9,131			9,131
Currency translation adjustment				14,772			14,772
Cash dividends declared			(36,971)				(36,971)
Stock-based compensation activity		12,475			1,635		14,110
Stock-based compensation activity (in shares)	143,000
Purchase of shares for treasury					(32,158)		(32,158)
Purchase of shares for treasury (in shares)	(194,000)
Other		3,691	(3,917)			18	(208)
Ending Balance at Mar. 31, 2023	$ 9,858	$ 498,023	$ 3,387,543	$ (250,836)	$ (2,519,299)	$ (53)	$ 1,125,236
Ending Balance (in shares) at Mar. 31, 2023	57,573,000