CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY (DEFICIT) - USD ($) shares in Thousands, $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Additional Paid-in Capital	Deferred Stock Units	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Loss	Treasury Stock	Noncontrolling Interest
Balance beginning of period (in shares) at Dec. 31, 2018			105,087
Balance beginning of period at Dec. 31, 2018	$ (9,233)		$ 10,509	$ 1,138,216	$ 4,524	$ 1,167,928		$ (41,791)	$ (2,288,899)	$ 280
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	427,792					427,720				72
Other comprehensive gain (loss), net	(4,391)							(4,391)
Repurchases of common stock, net	(311,644)								(311,644)
Common stock issued under stock plans, net (in shares)			624
Common stock issued under stock plans, net	36,023		$ 62	36,551	(590)
Deferred stock units activity	0			(324)	324
Share-based compensation cost	39,278			39,074	204
Balance end of period (in shares) at Dec. 31, 2019			105,711
Balance end of period at Dec. 31, 2019	177,825	$ (1,829)	$ 10,571	1,213,517	4,462	1,595,648	$ (1,829)	(46,182)	(2,600,543)	352
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	582,131					581,776				355
Other comprehensive gain (loss), net	(7,433)							(7,433)
Repurchases of common stock, net	(199,347)								(199,347)
Common stock issued under stock plans, net (in shares)			746
Common stock issued under stock plans, net	50,497		$ 75	51,368	(946)
Deferred stock units activity	0			(894)	894
Share-based compensation cost	$ 30,951			30,858	93
Balance end of period (in shares) at Dec. 31, 2020	106,457		106,457
Balance end of period at Dec. 31, 2020	$ 632,795		$ 10,646	1,294,849	4,503	2,175,595		(53,615)	(2,799,890)	707
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	744,844					744,845				(1)
Other comprehensive gain (loss), net	131							131
Acquisition of noncontrolling interest (Note 4)	(990)			(284)						(706)
Repurchases of common stock, net	(770,801)								(770,801)
Common stock issued under stock plans, net (in shares)			421
Common stock issued under stock plans, net	46,258		$ 42	46,228	(12)				0
Deferred stock units activity	0			(1,035)	1,035
Share-based compensation cost	$ 37,755			37,562	193
Balance end of period (in shares) at Dec. 31, 2021	106,878		106,878
Balance end of period at Dec. 31, 2021	$ 689,992		$ 10,688	$ 1,377,320	$ 5,719	$ 2,920,440		$ (53,484)	$ (3,570,691)	$ 0