CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income, Net [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Noncontrolling Interests [Member]
Beginning balance at Dec. 31, 2022	$ 3,045,168	$ 6,547	$ 859,345	$ 16,853	$ 2,468,730	$ (308,598)	$ 2,291
Beginning balance (in shares) at Dec. 31, 2022		65,472,000				(5,565,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock option exercises	118		(217)			$ 335
Stock option exercises (in shares)						13,000
Issuance of stock for equity awards, net of forfeitures			(10,075)			$ 10,075
Issuance of stock for equity awards, net of forfeitures (in shares)						182,000
Tax withholdings on equity award vesting	(3,595)					$ (3,595)
Tax withholdings on equity award vesting (in shares)						(54,000)
Amortization of share-based compensation	8,912		8,912
Treasury stock purchases	(37,600)					$ (37,600)
Treasury stock purchases (in shares)						(522,000)
Excise taxes on treasury stock purchases	(276)					$ (276)
Total comprehensive income, net of taxes	100,082			2,143	98,065		(126)
Ending balance at Jun. 30, 2023	3,112,809	$ 6,547	857,965	18,996	2,566,795	$ (339,659)	2,165
Ending balance (in shares) at Jun. 30, 2023		65,472,000				(5,946,000)
Beginning balance at Mar. 31, 2023	3,085,140	$ 6,547	856,680	17,017	2,509,428	$ (306,746)	2,214
Beginning balance (in shares) at Mar. 31, 2023		65,472,000				(5,504,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of stock for equity awards, net of forfeitures			(1,819)			$ 1,819
Issuance of stock for equity awards, net of forfeitures (in shares)						33,000
Tax withholdings on equity award vesting	(40)					$ (40)
Amortization of share-based compensation	3,104		3,104
Treasury stock purchases	(34,416)					$ (34,416)
Treasury stock purchases (in shares)						(475,000)
Excise taxes on treasury stock purchases	(276)					$ (276)
Total comprehensive income, net of taxes	59,297			1,979	57,367		(49)
Ending balance at Jun. 30, 2023	3,112,809	$ 6,547	857,965	18,996	2,566,795	$ (339,659)	2,165
Ending balance (in shares) at Jun. 30, 2023		65,472,000				(5,946,000)
Beginning balance at Dec. 31, 2023	3,186,677	$ 6,547	863,963	35,006	2,691,665	$ (411,750)	1,246
Beginning balance (in shares) at Dec. 31, 2023		65,472,000				(6,843,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock option exercises	4,096		1,434			$ 2,662
Stock option exercises (in shares)						54,000
Issuance of stock for equity awards, net of forfeitures			(12,538)			$ 12,538
Issuance of stock for equity awards, net of forfeitures (in shares)						207,000
Tax withholdings on equity award vesting	(5,339)					$ (5,339)
Tax withholdings on equity award vesting (in shares)						(67,000)
Amortization of share-based compensation	9,399		9,399
Treasury stock purchases	(85,466)					$ (85,466)
Treasury stock purchases (in shares)						(871,000)
Excise taxes on treasury stock purchases	(704)					$ (704)
Total comprehensive income, net of taxes	154,015			118	153,922		(25)
Ending balance at Jun. 30, 2024	3,262,678	$ 6,547	862,258	35,124	2,845,587	$ (488,059)	1,221
Ending balance (in shares) at Jun. 30, 2024		65,472,000				(7,520,000)
Beginning balance at Mar. 31, 2024	3,216,741	$ 6,547	859,150	34,611	2,761,733	$ (446,393)	1,093
Beginning balance (in shares) at Mar. 31, 2024		65,472,000				(7,199,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock option exercises	2,585		1,115			$ 1,470
Stock option exercises (in shares)						35,000
Issuance of stock for equity awards, net of forfeitures			(998)			$ 998
Issuance of stock for equity awards, net of forfeitures (in shares)						17,000
Tax withholdings on equity award vesting	(55)					$ (55)
Tax withholdings on equity award vesting (in shares)						(1,000)
Amortization of share-based compensation	2,991		2,991
Treasury stock purchases	(43,679)					$ (43,679)
Treasury stock purchases (in shares)						(372,000)
Excise taxes on treasury stock purchases	(400)					$ (400)
Total comprehensive income, net of taxes	84,495			513	83,854	0	128
Ending balance at Jun. 30, 2024	$ 3,262,678	$ 6,547	$ 862,258	$ 35,124	$ 2,845,587	$ (488,059)	$ 1,221
Ending balance (in shares) at Jun. 30, 2024		65,472,000				(7,520,000)