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, 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	193,965				193,965
Other comprehensive income, net	6,136					6,136
Repurchases of common stock, net	(273,058)						(273,058)
Common stock issued under stock plans, including excess tax benefit (in shares)		125
Common stock issued under stock plans, including excess tax benefit	11,590	$ 12	11,583	(5)
Share-based compensation cost	11,173		11,122	51
Balance end of period (in shares) at Mar. 31, 2022		107,003
Balance end of period at Mar. 31, 2022	$ 639,798	$ 10,700	1,400,025	5,765	3,114,405	(47,348)	(3,843,749)
Balance beginning of period (in shares) at Dec. 31, 2022	107,193	107,193
Balance beginning 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	214,054				214,054
Other comprehensive income, net	1,181					1,181
Repurchases of common stock, net	(9,554)						(9,554)
Common stock issued under stock plans, including excess tax benefit (in shares)		128
Common stock issued under stock plans, including excess tax benefit	12,753	$ 13	12,765	(25)
Share-based compensation cost	$ 13,930		13,923	7
Balance end of period (in shares) at Mar. 31, 2023	107,321	107,321
Balance end of period at Mar. 31, 2023	$ 841,101	$ 10,732	$ 1,489,903	$ 5,164	$ 3,813,583	$ (76,615)	$ (4,401,666)