Condensed Consolidated Statements of Changes in Stockholders' (Deficit) Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss, Net	Accumulated Earnings	Treasury Stock
Beginning balance at Dec. 31, 2020	$ 1,090,428	$ 82	$ 1,968,930	$ (99,228)	$ 2,255,467	$ (3,034,823)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	164,100				164,100
Other comprehensive income (loss)	6,050			6,050
Issuances under stock plans	5,380		(1,543)			6,923
Common share repurchases	(410,450)					(410,450)
Stock-based compensation expense	36,086		36,086
Ending balance at Mar. 31, 2021	891,594	82	2,003,473	(93,178)	2,419,567	(3,438,350)
Beginning balance at Dec. 31, 2020	1,090,428	82	1,968,930	(99,228)	2,255,467	(3,034,823)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	584,201
Other comprehensive income (loss)	15,391
Ending balance at Sep. 30, 2021	334,507	82	2,054,563	(83,837)	2,839,668	(4,475,969)
Beginning balance at Mar. 31, 2021	891,594	82	2,003,473	(93,178)	2,419,567	(3,438,350)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	271,236				271,236
Other comprehensive income (loss)	10,200			10,200
Issuances under stock plans	4,080		2,063			2,017
Common share repurchases	(675,662)					(675,662)
Stock-based compensation expense	26,190		26,190
Ending balance at Jun. 30, 2021	527,638	82	2,031,726	(82,978)	2,690,803	(4,111,995)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	148,865				148,865
Other comprehensive income (loss)	(859)			(859)
Issuances under stock plans	4,131		3,411			720
Common share repurchases	(364,694)					(364,694)
Stock-based compensation expense	19,426		19,426
Ending balance at Sep. 30, 2021	334,507	82	2,054,563	(83,837)	2,839,668	(4,475,969)
Beginning balance at Dec. 31, 2021	371,058	82	2,074,896	(81,431)	3,049,027	(4,671,516)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	172,515				172,515
Other comprehensive income (loss)	(1,380)			(1,380)
Issuances under stock plans	6,964		579			6,385
Common share repurchases	(463,125)					(463,125)
Stock-based compensation expense	32,121		32,121
Ending balance at Mar. 31, 2022	118,153	82	2,107,596	(82,811)	3,221,542	(5,128,256)
Beginning balance at Dec. 31, 2021	371,058	82	2,074,896	(81,431)	3,049,027	(4,671,516)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	550,985
Other comprehensive income (loss)	(49,117)
Ending balance at Sep. 30, 2022	(64,926)	82	2,161,940	(130,548)	3,600,012	(5,696,412)
Beginning balance at Mar. 31, 2022	118,153	82	2,107,596	(82,811)	3,221,542	(5,128,256)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	204,925				204,925
Other comprehensive income (loss)	(21,705)			(21,705)
Issuances under stock plans	5,061		4,634			427
Common share repurchases	(473,755)					(473,755)
Stock-based compensation expense	24,454		24,454
Ending balance at Jun. 30, 2022	(142,867)	82	2,136,684	(104,516)	3,426,467	(5,601,584)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	173,545				173,545
Other comprehensive income (loss)	(26,032)			(26,032)
Issuances under stock plans	4,994		4,288			706
Common share repurchases	(95,534)					(95,534)
Stock-based compensation expense	20,968		20,968
Ending balance at Sep. 30, 2022	$ (64,926)	$ 82	$ 2,161,940	$ (130,548)	$ 3,600,012	$ (5,696,412)