Summary of Significant Accounting Policies (Schedule Of Basic And Diluted EPS) (Details) - $ / shares shares in Thousands	3 Months Ended								12 Months Ended
	Feb. 03, 2018	Oct. 28, 2017	Jul. 29, 2017	Apr. 29, 2017	Jan. 28, 2017	Oct. 29, 2016	Jul. 30, 2016	Apr. 30, 2016	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Accounting Policies [Abstract]
Basic (in shares)									381,174	392,124	403,034
Basic (in dollars per share)	$ 1.20	$ 0.72	$ 0.83	$ 0.83	$ 0.77	$ 0.63	$ 0.72	$ 0.73	$ 3.58	$ 2.85	$ 2.53
Effect of dilutive common stock equivalents (in shares)									3,155	2,834	3,371
Effect of dilutive common stock equivalents (in dollars per share)									$ (0.03)	$ (0.02)	$ (0.02)
Diluted (in shares)									384,329	394,958	406,405
Diluted (in dollars per share)	$ 1.19	$ 0.72	$ 0.82	$ 0.82	$ 0.77	$ 0.62	$ 0.71	$ 0.73	$ 3.55	$ 2.83	$ 2.51