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	Treasury Stock
Balance beginning of period (in shares) at Dec. 31, 2021		106,878
Balance beginning of period at Dec. 31, 2021	$ 689,992	$ 10,688	$ 1,377,320	$ 5,719	$ 2,920,440	$ (53,484)	$ (3,570,691)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	679,089				679,089
Other comprehensive gain (loss), net of tax	(24,312)					(24,312)
Repurchases of common stock, net of issuances	(821,421)						(821,421)
Common stock issued under stock plans, net (in shares)		315
Common stock issued under stock plans, net	35,619	$ 31	36,195	(607)
Share-based compensation cost	49,770		49,700	70
Balance end of period (in shares) at Dec. 31, 2022		107,193
Balance end of period at Dec. 31, 2022	608,737	$ 10,719	1,463,215	5,182	3,599,529	(77,796)	(4,392,112)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	845,042				845,042
Other comprehensive gain (loss), net of tax	6,590					6,590
Repurchases of common stock, net of issuances	(82,569)						(82,569)
Common stock issued under stock plans, net (in shares)		313
Common stock issued under stock plans, net	46,991	$ 32	46,639	320
Share-based compensation cost	$ 59,739		59,711	28
Balance end of period (in shares) at Dec. 31, 2023	107,506	107,506
Balance end 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	887,867				887,867
Other comprehensive gain (loss), net of tax	(22,439)					(22,439)
Repurchases of common stock, net of issuances	(859,331)						(859,331)
Common stock issued under stock plans, net (in shares)		330
Common stock issued under stock plans, net	44,391	$ 33	44,010	348
Share-based compensation cost	$ 60,295		60,288	7
Balance end of period (in shares) at Dec. 31, 2024	107,836	107,836
Balance end of period at Dec. 31, 2024	$ 1,595,313	$ 10,784	$ 1,673,863	$ 5,885	$ 5,332,438	$ (93,645)	$ (5,334,012)