CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional ‎ Paid-In ‎ Capital	Treasury Stock	Retained ‎ Earnings	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2023		1,874,139
Beginning balance at Dec. 31, 2023	$ 3,062,207	$ 18,741	$ 1,937,794	$ (4,944,656)	$ 6,056,985	$ (6,657)
Beginning balance (in shares) at Dec. 31, 2023				502,843
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	36,681		36,681
Stock plan transactions and other (in shares)		4,002
Stock plan transactions and other	2,110	$ 40	2,070
Repurchase of common stock (in shares)				1,935
Repurchase of common stock	(97,663)			$ (97,663)
Net income	359,287				359,287
Other comprehensive income/(loss), net of income taxes	(1,293)					(1,293)
Ending balance (in shares) at Mar. 31, 2024		1,878,141
Ending balance at Mar. 31, 2024	3,361,329	$ 18,781	1,976,545	$ (5,042,319)	6,416,272	(7,950)
Ending balance (in shares) at Mar. 31, 2024				504,778
Beginning balance (in shares) at Dec. 31, 2023		1,874,139
Beginning balance at Dec. 31, 2023	3,062,207	$ 18,741	1,937,794	$ (4,944,656)	6,056,985	(6,657)
Beginning balance (in shares) at Dec. 31, 2023				502,843
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	814,958
Ending balance (in shares) at Jun. 30, 2024		1,371,372
Ending balance at Jun. 30, 2024	3,711,820	$ 13,713	2,023,802	$ 0	1,682,819	(8,514)
Ending balance (in shares) at Jun. 30, 2024				0
Beginning balance (in shares) at Mar. 31, 2024		1,878,141
Beginning balance at Mar. 31, 2024	3,361,329	$ 18,781	1,976,545	$ (5,042,319)	6,416,272	(7,950)
Beginning balance (in shares) at Mar. 31, 2024				504,778
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	46,160		46,160
Stock plan transactions and other (in shares)		397
Stock plan transactions and other	1,101	$ 4	1,097
Repurchase of common stock (in shares)				2,388
Repurchase of common stock	(151,877)			$ (151,877)
Retirement of treasury stock (in shares)		(507,166)		(507,166)
Retirement of treasury stock	0	$ (5,072)		$ 5,194,196	(5,189,124)
Net income	455,671				455,671
Other comprehensive income/(loss), net of income taxes	(564)					(564)
Ending balance (in shares) at Jun. 30, 2024		1,371,372
Ending balance at Jun. 30, 2024	$ 3,711,820	$ 13,713	2,023,802	$ 0	1,682,819	(8,514)
Ending balance (in shares) at Jun. 30, 2024				0
Beginning balance (in shares) at Dec. 31, 2024	1,358,751	1,358,751
Beginning balance at Dec. 31, 2024	$ 3,655,546	$ 13,586	2,078,010	$ 0	1,574,232	(10,282)
Beginning balance (in shares) at Dec. 31, 2024				0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	38,180		38,180
Stock plan transactions and other (in shares)		1,835
Stock plan transactions and other	1,633	$ 20	1,613
Repurchase of common stock (in shares)		(10,796)
Repurchase of common stock	(591,521)	$ (108)			(591,413)
Net income	386,599				386,599
Other comprehensive income/(loss), net of income taxes	435					435
Ending balance (in shares) at Mar. 31, 2025		1,349,790
Ending balance at Mar. 31, 2025	$ 3,490,872	$ 13,498	2,117,803	$ 0	1,369,418	(9,847)
Ending balance (in shares) at Mar. 31, 2025				0
Beginning balance (in shares) at Dec. 31, 2024	1,358,751	1,358,751
Beginning balance at Dec. 31, 2024	$ 3,655,546	$ 13,586	2,078,010	$ 0	1,574,232	(10,282)
Beginning balance (in shares) at Dec. 31, 2024				0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 822,726
Ending balance (in shares) at Jun. 30, 2025	1,341,425	1,341,425
Ending balance at Jun. 30, 2025	$ 3,528,195	$ 13,414	2,157,080	$ 0	1,365,042	(7,341)
Ending balance (in shares) at Jun. 30, 2025				0
Beginning balance (in shares) at Mar. 31, 2025		1,349,790
Beginning balance at Mar. 31, 2025	3,490,872	$ 13,498	2,117,803	$ 0	1,369,418	(9,847)
Beginning balance (in shares) at Mar. 31, 2025				0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	37,959		37,959
Stock plan transactions and other (in shares)		326
Stock plan transactions and other	1,321	$ 3	1,318
Repurchase of common stock (in shares)		(8,691)
Repurchase of common stock	(440,590)	$ (87)			(440,503)
Net income	436,127				436,127
Other comprehensive income/(loss), net of income taxes	$ 2,506					2,506
Ending balance (in shares) at Jun. 30, 2025	1,341,425	1,341,425
Ending balance at Jun. 30, 2025	$ 3,528,195	$ 13,414	$ 2,157,080	$ 0	$ 1,365,042	$ (7,341)
Ending balance (in shares) at Jun. 30, 2025				0