CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands		Total		Common Stock	Additional Paid-in Capital	Company Stock Held By NQDC	Accumulated other comprehensive income (loss)	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2020	[1]			181,741
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuances under equity incentive plans (in shares)				1,581
Ending balance (in shares) at Jun. 30, 2021				183,322
Beginning balance at Dec. 31, 2020	[1]	$ 4,106,002		$ 182	$ 4,993,407	$ (9,839)	$ (16,139)	$ (861,609)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuances under equity incentive plans, net of tax				1	(11,091)
Stock-based compensation					101,147
Common stock held by the Nonqualified Deferred Compensation Plan (the NQDC)					368	(368)
Other comprehensive income (loss)							15,200
Net income		30,312						30,312
Ending balance at Jun. 30, 2021		4,241,571		$ 183	5,083,831	(10,207)	(939)	(831,297)
Beginning balance (in shares) at Mar. 31, 2021				182,671
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuances under equity incentive plans (in shares)				651
Ending balance (in shares) at Jun. 30, 2021				183,322
Beginning balance at Mar. 31, 2021		4,162,010		$ 183	5,010,619	(9,558)	5,004	(844,238)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuances under equity incentive plans, net of tax					18,825
Stock-based compensation					53,738
Common stock held by the Nonqualified Deferred Compensation Plan (the NQDC)					649	(649)
Other comprehensive income (loss)							(5,943)
Net income		12,941						12,941
Ending balance at Jun. 30, 2021		4,241,571		$ 183	5,083,831	(10,207)	(939)	(831,297)
Beginning balance (in shares) at Dec. 31, 2021	[1]			183,913
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuances under equity incentive plans (in shares)				1,540
Ending balance (in shares) at Jun. 30, 2022				185,453
Beginning balance at Dec. 31, 2021	[1]	4,270,740	[2]	$ 184	5,191,502	(9,689)	14,432	(925,689)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuances under equity incentive plans, net of tax				2	(15,153)
Stock-based compensation					96,716
Common stock held by the Nonqualified Deferred Compensation Plan (the NQDC)					(399)	399
Other comprehensive income (loss)							4,040
Net income		148,462						148,462
Ending balance at Jun. 30, 2022		4,504,807		$ 186	5,272,666	(9,290)	18,472	(777,227)
Beginning balance (in shares) at Mar. 31, 2022				184,902
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuances under equity incentive plans (in shares)				551
Ending balance (in shares) at Jun. 30, 2022				185,453
Beginning balance at Mar. 31, 2022		4,391,315		$ 185	5,206,287	(9,389)	(877)	(804,891)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuances under equity incentive plans, net of tax				1	18,480
Stock-based compensation					47,998
Common stock held by the Nonqualified Deferred Compensation Plan (the NQDC)					(99)	99
Other comprehensive income (loss)							19,349
Net income		27,664						27,664
Ending balance at Jun. 30, 2022		$ 4,504,807		$ 186	$ 5,272,666	$ (9,290)	$ 18,472	$ (777,227)

[1] The beginning balances for the six-month periods were derived from the audited Consolidated Financial Statements included in Company’s Annual Report on Form 10-K for the year ended December 31, 2021, filed with the SEC on February 25, 2022.

[2] (1)December 31, 2021 balances were derived from the audited Consolidated Financial Statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2021, filed with the SEC on February 25, 2022.