CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Capital in Excess of Par Value	Accum. Deficit	Accum. Other Comp. Loss	Non-controlling Interest
Beginning balance (in shares) at Dec. 31, 2022		198,466,000
Beginning balance at Dec. 31, 2022	$ 1,677,215	$ 1,985	$ 2,249,698	$ (527,603)	$ (29,530)	$ (17,335)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	63,144			63,532		(388)
Other comprehensive income (loss)	(15,312)				(15,312)
Stock-based compensation (in shares)		327,000
Stock-based compensation	5,234	$ 3	5,231
Stock options exercised (in shares)		481,000
Stock options exercised	3,014	$ 5	3,009
Taxes withheld on issuance of stock-based awards	(5,100)		(5,100)
Dividends declared to common stockholders	(16,784)			(16,784)
Repurchase and cancellation of common stock (in shares)		(1,302,000)
Repurchase and cancellation of common stock	(40,427)	$ (13)	(14,811)	(25,603)
Distributions to noncontrolling interest	(823)					(823)
Cumulative translation adjustments	8					8
Ending balance (in shares) at Mar. 31, 2023		197,972,000
Ending balance at Mar. 31, 2023	1,670,169	$ 1,980	2,238,027	(506,458)	(44,842)	(18,538)
Beginning balance (in shares) at Dec. 31, 2022		198,466,000
Beginning balance at Dec. 31, 2022	1,677,215	$ 1,985	2,249,698	(527,603)	(29,530)	(17,335)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	159,770
Other comprehensive income (loss)	(6,163)
Ending balance (in shares) at Jun. 30, 2023		196,296,000
Ending balance at Jun. 30, 2023	1,712,322	$ 1,963	2,220,909	(457,148)	(35,693)	(17,709)
Beginning balance (in shares) at Mar. 31, 2023		197,972,000
Beginning balance at Mar. 31, 2023	1,670,169	$ 1,980	2,238,027	(506,458)	(44,842)	(18,538)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	96,626			95,797		829
Other comprehensive income (loss)	9,149				9,149
Stock-based compensation (in shares)		180,000
Stock-based compensation	6,341	$ 2	6,339
Stock options exercised (in shares)		27,000
Stock options exercised	24		24
Taxes withheld on issuance of stock-based awards	(2,039)		(2,039)
Dividends declared to common stockholders	(16,758)			(16,758)
Repurchase and cancellation of common stock (in shares)		(1,883,000)
Repurchase and cancellation of common stock	(51,190)	$ (19)	(21,442)	(29,729)
Ending balance (in shares) at Jun. 30, 2023		196,296,000
Ending balance at Jun. 30, 2023	$ 1,712,322	$ 1,963	2,220,909	(457,148)	(35,693)	(17,709)
Beginning balance (in shares) at Dec. 31, 2023	191,300,000	191,135,000
Beginning balance at Dec. 31, 2023	$ 1,661,031	$ 1,913	2,166,911	(455,676)	(36,526)	(15,591)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	113,160			112,923		237
Other comprehensive income (loss)	(6,985)				(6,985)
Stock-based compensation (in shares)		677,000
Stock-based compensation	6,173	$ 7	6,166
Stock options exercised (in shares)		168,000
Stock options exercised	917	$ 2	915
Taxes withheld on issuance of stock-based awards	(11,821)		(11,821)
Dividends declared to common stockholders	(17,967)			(17,967)
Repurchase and cancellation of common stock (in shares)		(1,611,000)
Repurchase and cancellation of common stock	(49,399)	$ (18)	(18,288)	(31,093)
Distributions to noncontrolling interest	0					0
Cumulative translation adjustments	65					65
Ending balance (in shares) at Mar. 31, 2024		190,369,000
Ending balance at Mar. 31, 2024	$ 1,695,174	$ 1,904	2,143,883	(391,813)	(43,511)	(15,289)
Beginning balance (in shares) at Dec. 31, 2023	191,300,000	191,135,000
Beginning balance at Dec. 31, 2023	$ 1,661,031	$ 1,913	2,166,911	(455,676)	(36,526)	(15,591)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	168,551
Other comprehensive income (loss)	$ (13,626)
Repurchase and cancellation of common stock (in shares)	(1,611,055)
Repurchase and cancellation of common stock	$ (49,400)
Ending balance (in shares) at Jun. 30, 2024	190,500,000	190,459,000
Ending balance at Jun. 30, 2024	$ 1,729,233	$ 1,905	2,150,847	(357,445)	(50,152)	(15,922)
Beginning balance (in shares) at Mar. 31, 2024		190,369,000
Beginning balance at Mar. 31, 2024	1,695,174	$ 1,904	2,143,883	(391,813)	(43,511)	(15,289)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	55,391			52,569		2,822
Other comprehensive income (loss)	(6,641)				(6,641)
Stock-based compensation (in shares)		9,000
Stock-based compensation	6,505	$ 0	6,505
Stock options exercised (in shares)		81,000
Stock options exercised	596	$ 1	595
Taxes withheld on issuance of stock-based awards	(136)		(136)
Dividends declared to common stockholders	(18,201)			(18,201)
Repurchase and cancellation of common stock (in shares)		0
Repurchase and cancellation of common stock	0	$ 0	0	0
Distributions to noncontrolling interest	(3,417)					(3,417)
Cumulative translation adjustments	$ (38)					(38)
Ending balance (in shares) at Jun. 30, 2024	190,500,000	190,459,000
Ending balance at Jun. 30, 2024	$ 1,729,233	$ 1,905	$ 2,150,847	$ (357,445)	$ (50,152)	$ (15,922)