CONSOLIDATED STATEMENTS OF INCOME - UNAUDITED (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 02, 2014	Aug. 03, 2013	Aug. 02, 2014	Aug. 03, 2013
Income Statement [Abstract]
Net sales	$ 1,688,890	$ 1,531,431	$ 3,127,798	$ 2,865,132
Cost of goods sold, including occupancy and distribution costs	1,186,334	1,052,101	2,184,359	1,974,149
GROSS PROFIT	502,556	479,330	943,439	890,983
Selling, general and administrative expenses	383,054	336,950	705,643	649,658
Pre-opening expenses	7,940	5,285	14,146	6,614
INCOME FROM OPERATIONS	111,562	137,095	223,650	234,711
Interest expense	763	716	1,372	1,385
Other income	(2,013)	(1,735)	(4,377)	(7,940)
INCOME BEFORE INCOME TAXES	112,812	138,114	226,655	241,266
Provision for income taxes	43,345	53,951	87,205	92,282
NET INCOME	$ 69,467	$ 84,163	$ 139,450	$ 148,984
EARNINGS PER COMMON SHARE:
Basic (in dollars per share)	$ 0.58	$ 0.68	$ 1.16	$ 1.21
Diluted (in dollars per share)	$ 0.57	$ 0.67	$ 1.14	$ 1.18
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	119,950	122,901	120,544	122,802
Diluted (in shares)	121,840	125,593	122,600	125,728
Cash dividends declared per common share (in dollars per share)	$ 0.125	$ 0.125	$ 0.250	$ 0.250