CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss), Net	Retained Earnings
Beginning Balance (in shares) at Dec. 31, 2020		78,860
Beginning Balance at Dec. 31, 2020	$ 3,233,865	$ 8	$ 974,556	$ 43,501	$ 2,215,800
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	581,059				581,059
Net change in unrealized gains (losses) from investments	0
Net change in foreign currency translation adjustment	(25,902)			(25,902)
Issuance of common stock relating to employee equity compensation plans (in shares)		434
Issuance of common stock relating to employee equity compensation plans	25,623		25,623
Tax withholdings related to net share settlements of equity awards	(107,343)		(107,343)
Common stock repurchased and retired (in shares)		(442)
Common stock repurchased and retired	(275,038)		(4,884)		(270,154)
Stock-based compensation	84,498		84,498
Ending Balance (in shares) at Sep. 30, 2021		78,852
Ending Balance at Sep. 30, 2021	3,516,762	$ 8	972,450	17,599	2,526,705
Beginning Balance (in shares) at Jun. 30, 2021		78,948
Beginning Balance at Jun. 30, 2021	3,384,410	$ 8	895,831	29,616	2,458,955
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	180,969				180,969
Net change in unrealized gains (losses) from investments	20			20
Net change in foreign currency translation adjustment	(12,037)			(12,037)
Issuance of common stock relating to employee equity compensation plans (in shares)		69
Issuance of common stock relating to employee equity compensation plans	12,490		12,490
Tax withholdings related to net share settlements of equity awards	(2,454)		(2,454)
Common stock repurchased and retired (in shares)		(165)
Common stock repurchased and retired	(115,038)		(1,819)		(113,219)
Equity forward contract related to accelerated stock repurchase	40,000		40,000
Stock-based compensation	28,402		28,402
Ending Balance (in shares) at Sep. 30, 2021		78,852
Ending Balance at Sep. 30, 2021	3,516,762	$ 8	972,450	17,599	2,526,705
Beginning Balance (in shares) at Dec. 31, 2021		78,710
Beginning Balance at Dec. 31, 2021	3,622,714	$ 8	999,006	4,326	2,619,374
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	319,798				319,798
Net change in unrealized gains (losses) from investments	(3,758)			(3,758)
Net change in foreign currency translation adjustment	(41,313)			(41,313)
Issuance of common stock relating to employee equity compensation plans (in shares)		302
Issuance of common stock relating to employee equity compensation plans	26,149		26,149
Tax withholdings related to net share settlements of equity awards	(52,611)		(52,611)
Common stock repurchased and retired (in shares)		(901)
Common stock repurchased and retired	(275,036)		(10,525)		(264,511)
Stock-based compensation	98,679		98,679
Ending Balance (in shares) at Sep. 30, 2022		78,111
Ending Balance at Sep. 30, 2022	3,694,622	$ 8	1,060,698	(40,745)	2,674,661
Beginning Balance (in shares) at Jun. 30, 2022		78,059
Beginning Balance at Jun. 30, 2022	3,599,081	$ 8	1,016,882	(19,770)	2,601,961
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	72,700				72,700
Net change in unrealized gains (losses) from investments	(729)			(729)
Net change in foreign currency translation adjustment	(20,246)			(20,246)
Issuance of common stock relating to employee equity compensation plans (in shares)		52
Issuance of common stock relating to employee equity compensation plans	11,322		11,322
Tax withholdings related to net share settlements of equity awards	(424)		(424)
Stock-based compensation	32,918		32,918
Ending Balance (in shares) at Sep. 30, 2022		78,111
Ending Balance at Sep. 30, 2022	$ 3,694,622	$ 8	$ 1,060,698	$ (40,745)	$ 2,674,661