Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Cumulative effect of adoption of accounting standard	Common stock	Additional paid-in capital	Treasury stock	Accumulated other comprehensive income (loss)	Retained earnings	Retained earnings Cumulative effect of adoption of accounting standard
Beginning balance (in shares) at Feb. 03, 2018			379,618
Beginning balance, value at Feb. 03, 2018	$ 3,049,308	$ 19,884	$ 3,796	$ 1,292,364	$ (318,279)	$ 27	$ 2,071,400	$ 19,884
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	$ 1,587,457						1,587,457
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201409Member
Unrealized investment loss, net	$ (27)					(27)
Common stock issued under stock plans, net of shares used for tax withholding (in shares)			1,097
Common stock issued under stock plans, net of shares used for tax withholding, value	(34,272)		$ 11	20,101	(54,384)
Stock-based compensation	$ 95,585			95,585
Common stock repurchased (in shares)	(12,500)		(12,473)
Common stock repurchased	$ (1,075,000)		$ (125)	(32,085)			(1,042,790)
Dividends declared	(337,189)						(337,189)
Ending balance (in shares) at Feb. 02, 2019			368,242
Ending balance, value at Feb. 02, 2019	3,305,746	$ (19,614)	$ 3,682	1,375,965	(372,663)	0	2,298,762	$ (19,614)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	$ 1,660,928						1,660,928
Accounting Standards Update [Extensible List]	Accounting Standards Update 2016-02
Unrealized investment loss, net	$ 0
Common stock issued under stock plans, net of shares used for tax withholding (in shares)			793
Common stock issued under stock plans, net of shares used for tax withholding, value	(38,456)		$ 8	22,201	(60,665)
Stock-based compensation	$ 95,438			95,438
Common stock repurchased (in shares)	(12,300)		(12,260)
Common stock repurchased	$ (1,275,000)		$ (122)	(35,297)			(1,239,581)
Dividends declared	(369,793)						(369,793)
Ending balance (in shares) at Feb. 01, 2020			356,775
Ending balance, value at Feb. 01, 2020	3,359,249		$ 3,568	1,458,307	(433,328)	0	2,330,702
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	85,382						85,382
Unrealized investment loss, net	0
Common stock issued under stock plans, net of shares used for tax withholding (in shares)			899
Common stock issued under stock plans, net of shares used for tax withholding, value	(21,688)		$ 9	23,525	(45,222)
Stock-based compensation	$ 101,568			101,568
Common stock repurchased (in shares)	(1,200)		(1,171)
Common stock repurchased	$ (132,467)		$ (12)	(3,576)			(128,879)
Dividends declared	(101,404)						(101,404)
Ending balance (in shares) at Jan. 30, 2021			356,503
Ending balance, value at Jan. 30, 2021	$ 3,290,640		$ 3,565	$ 1,579,824	$ (478,550)	$ 0	$ 2,185,801