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Quarterly Financial Information (Unaudited) (Details) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Feb. 01, 2014	Nov. 02, 2013	Aug. 03, 2013	May 04, 2013	Feb. 02, 2013	Oct. 27, 2012	Jul. 28, 2012	Apr. 28, 2012	Feb. 01, 2014	Feb. 02, 2013	Jan. 28, 2012
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 1,947,418,000	$ 1,400,623,000	$ 1,531,431,000	$ 1,333,701,000	$ 1,805,302,000	$ 1,312,072,000	$ 1,437,041,000	$ 1,281,704,000	$ 6,213,173,000	$ 5,836,119,000	$ 5,211,802,000
Gross profit	628,067,000	424,899,000	479,330,000	411,654,000	588,652,000	406,124,000	447,780,000	394,607,000	1,943,950,000	1,837,163,000	1,594,881,000
Income from operations	223,048,000	79,053,000	137,095,000	97,617,000	211,106,000	82,193,000	134,640,000	95,735,000	536,812,000	523,674,000	432,020,000
Net income	138,638,000	49,977,000	84,163,000	64,821,000	129,749,000	50,139,000	53,663,000	57,157,000	337,598,000	290,709,000	263,906,000
Earnings per common share:
Basic (in dollars per share)	$ 1.13	$ 0.41	$ 0.68	$ 0.53	$ 1.06	$ 0.41	$ 0.45	$ 0.47	$ 2.75	$ 2.39	$ 2.19
Diluted (in dollars per share)	$ 1.11	$ 0.40	$ 0.67	$ 0.52	$ 1.03	$ 0.40	$ 0.43	$ 0.45	$ 2.69	$ 2.31	$ 2.10
Weighted average common shares outstanding:
Basic (in shares)	122,687	123,221	122,901	122,702	122,875	122,103	119,928	121,514	122,878	121,629	120,232
Diluted (in shares)	125,214	125,842	125,593	125,862	126,409	125,938	124,533	127,003	125,628	125,995	125,768
Partial recovery of a previously impaired asset				4,300,000
Asset impairment charge			4,700,000
Number of weeks in fiscal period					14 weeks				52 weeks	53 weeks	52 weeks
Impairment of available-for-sale investments							$ 27,600,000

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