Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands		Total	Common Stock		Additional Paid-In Capital		Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2020	[1]		304,696
Beginning balance at Dec. 31, 2020		$ 3,320,291	$ 30	[1]	$ 1,292,409	[1]	$ 2,027,614	$ 238
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		180,366					180,366
Other comprehensive loss, net of tax		(1,102)						(1,102)
Stock-based compensation		37,553			37,553	[1]
Issuance of common stock in connection with employee equity incentive plans (in shares)	[1]		1,836
Issuance of common stock in connection with employee equity incentive plans		18,081			18,081	[1]
Tax withholding paid for net share settlement of equity awards (in shares)	[1]		(36)
Tax withholding paid for net share settlement of equity awards		(2,496)			(2,496)	[1]
Repurchase of common stock (in shares)	[1]		(1,468)
Repurchase of common stock		(101,355)					(101,355)
Ending balance (in shares) at Mar. 31, 2021	[1]		305,028
Ending balance at Mar. 31, 2021		3,451,338	$ 30	[1]	1,345,547	[1]	2,106,625	(864)
Beginning balance (in shares) at Dec. 31, 2021			307,681
Beginning balance at Dec. 31, 2021		3,978,600	$ 31		1,530,046		2,456,823	(8,300)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		272,259					272,259
Other comprehensive loss, net of tax		(22,201)						(22,201)
Stock-based compensation		50,279			50,279
Issuance of common stock in connection with employee equity incentive plans (in shares)			1,727
Issuance of common stock in connection with employee equity incentive plans		19,160			19,160
Tax withholding paid for net share settlement of equity awards (in shares)			(105)
Tax withholding paid for net share settlement of equity awards		$ (12,741)			(12,741)
Repurchase of common stock (in shares)		(1,171)	(1,171)
Repurchase of common stock		$ (136,228)					(136,228)
Common stock issued for business acquisition (in shares)			33
Common stock issued for business acquisition		4,049			4,049
Ending balance (in shares) at Mar. 31, 2022			308,165
Ending balance at Mar. 31, 2022		$ 4,153,177	$ 31		$ 1,590,793		$ 2,592,854	$ (30,501)

[1] Prior period results have been adjusted to reflect the four-for-one stock split effected in the form of a stock dividend in November 2021.