CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Deferred Stock Units	Retained Earnings	Accumulated Other Comprehensive (Loss) Income	Treasury Stock
Balance beginning of period (in shares) at Dec. 31, 2023		107,506
Balance beginning of period at Dec. 31, 2023	$ 1,484,530	$ 10,751	$ 1,569,565	$ 5,530	$ 4,444,571	$ (71,206)	$ (4,474,681)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	235,579				235,579
Other comprehensive (loss) income, net	(9,191)					(9,191)
Repurchases of common stock, net	(177,192)						(177,192)
Common stock issued for share-based compensation plans, including excess tax benefit (in shares)		161
Common stock issued for share-based compensation plans, including excess tax benefit	20,780	$ 16	20,792	(28)
Share-based compensation cost	14,400		14,392	8
Balance end of period (in shares) at Mar. 31, 2024		107,667
Balance end of period at Mar. 31, 2024	1,568,906	$ 10,767	1,604,749	5,510	4,680,150	(80,397)	(4,651,873)
Balance beginning of period (in shares) at Dec. 31, 2023		107,506
Balance beginning of period at Dec. 31, 2023	1,484,530	$ 10,751	1,569,565	5,530	4,444,571	(71,206)	(4,474,681)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	438,877
Other comprehensive (loss) income, net	(13,975)
Balance end of period (in shares) at Jun. 30, 2024		107,686
Balance end of period at Jun. 30, 2024	1,580,253	$ 10,769	1,625,451	5,885	4,883,448	(85,181)	(4,860,119)
Balance beginning of period (in shares) at Mar. 31, 2024		107,667
Balance beginning of period at Mar. 31, 2024	1,568,906	$ 10,767	1,604,749	5,510	4,680,150	(80,397)	(4,651,873)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	203,298				203,298
Other comprehensive (loss) income, net	(4,784)					(4,784)
Repurchases of common stock, net	(208,246)						(208,246)
Common stock issued for share-based compensation plans, including excess tax benefit (in shares)		19
Common stock issued for share-based compensation plans, including excess tax benefit	5,360	$ 2	4,983	375
Share-based compensation cost	15,719		15,719	0
Balance end of period (in shares) at Jun. 30, 2024		107,686
Balance end of period at Jun. 30, 2024	$ 1,580,253	$ 10,769	1,625,451	5,885	4,883,448	(85,181)	(4,860,119)
Balance beginning of period (in shares) at Dec. 31, 2024	107,836	107,836
Balance beginning of period at Dec. 31, 2024	$ 1,595,313	$ 10,784	1,673,863	5,885	5,332,438	(93,645)	(5,334,012)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	242,677				242,677
Other comprehensive (loss) income, net	3,554					3,554
Repurchases of common stock, net	(415,260)						(415,260)
Common stock issued for share-based compensation plans, including excess tax benefit (in shares)		80
Common stock issued for share-based compensation plans, including excess tax benefit	7,114	$ 8	7,135	(29)
Share-based compensation cost	14,615		14,615
Balance end of period (in shares) at Mar. 31, 2025		107,916
Balance end of period at Mar. 31, 2025	$ 1,448,013	$ 10,792	1,695,613	5,856	5,575,115	(90,091)	(5,749,272)
Balance beginning of period (in shares) at Dec. 31, 2024	107,836	107,836
Balance beginning of period at Dec. 31, 2024	$ 1,595,313	$ 10,784	1,673,863	5,885	5,332,438	(93,645)	(5,334,012)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	536,666
Other comprehensive (loss) income, net	$ 16,695
Balance end of period (in shares) at Jun. 30, 2025	108,041	108,041
Balance end of period at Jun. 30, 2025	$ 1,458,827	$ 10,804	1,727,410	6,229	5,869,104	(76,950)	(6,077,770)
Balance beginning of period (in shares) at Mar. 31, 2025		107,916
Balance beginning of period at Mar. 31, 2025	1,448,013	$ 10,792	1,695,613	5,856	5,575,115	(90,091)	(5,749,272)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	293,989				293,989
Other comprehensive (loss) income, net	13,141					13,141
Repurchases of common stock, net	(328,498)						(328,498)
Common stock issued for share-based compensation plans, including excess tax benefit (in shares)		125
Common stock issued for share-based compensation plans, including excess tax benefit	17,328	$ 12	16,943	373
Share-based compensation cost	$ 14,854		14,854
Balance end of period (in shares) at Jun. 30, 2025	108,041	108,041
Balance end of period at Jun. 30, 2025	$ 1,458,827	$ 10,804	$ 1,727,410	$ 6,229	$ 5,869,104	$ (76,950)	$ (6,077,770)