Condensed Consolidated Statements of Changes in Stockholders’ 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, 2023	$ 680,634	$ 82	$ 2,320,289	$ (76,331)	$ 4,739,292	$ (6,302,698)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	210,545				210,545
Other comprehensive income (loss)	(6,055)			(6,055)
Issuances under stock plans	8,072		2,712			5,360
Common share repurchases (including excise tax)	(225,522)					(225,522)
Stock-based compensation expense	50,500		50,500
Ending balance at Mar. 31, 2024	718,174	82	2,373,501	(82,386)	4,949,837	(6,522,860)
Beginning balance at Dec. 31, 2023	680,634	82	2,320,289	(76,331)	4,739,292	(6,302,698)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	440,093
Other comprehensive income (loss)	(5,322)
Ending balance at Jun. 30, 2024	646,659	82	2,421,835	(81,653)	5,179,385	(6,872,990)
Beginning balance at Mar. 31, 2024	718,174	82	2,373,501	(82,386)	4,949,837	(6,522,860)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	229,548				229,548
Other comprehensive income (loss)	733			733
Issuances under stock plans	6,426		8,587			(2,161)
Common share repurchases (including excise tax)	(347,969)					(347,969)
Stock-based compensation expense	39,747		39,747
Ending balance at Jun. 30, 2024	646,659	82	2,421,835	(81,653)	5,179,385	(6,872,990)
Beginning balance at Dec. 31, 2024	1,359,169	82	2,497,130	(88,333)	5,993,007	(7,042,717)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	210,939				210,939
Other comprehensive income (loss)	20,484			20,484
Issuances under stock plans	9,766		5,872			3,894
Common share repurchases (including excise tax)	(152,672)					(152,672)
Stock-based compensation expense	50,168		50,168
Ending balance at Mar. 31, 2025	1,497,854	82	2,553,170	(67,849)	6,203,946	(7,191,495)
Beginning balance at Dec. 31, 2024	1,359,169	82	2,497,130	(88,333)	5,993,007	(7,042,717)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	451,722
Other comprehensive income (loss)	41,718
Ending balance at Jun. 30, 2025	1,532,626	82	2,602,976	(46,615)	6,444,729	(7,468,546)
Beginning balance at Mar. 31, 2025	1,497,854	82	2,553,170	(67,849)	6,203,946	(7,191,495)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	240,783				240,783
Other comprehensive income (loss)	21,234			21,234
Issuances under stock plans	7,760		6,779			981
Common share repurchases (including excise tax)	(278,032)					(278,032)
Stock-based compensation expense	43,027		43,027
Ending balance at Jun. 30, 2025	$ 1,532,626	$ 82	$ 2,602,976	$ (46,615)	$ 6,444,729	$ (7,468,546)