Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012	Jul. 30, 2011
Condensed Consolidated Statements of Income [Abstract]
Revenues	$ 867,944	$ 831,777	$ 1,777,742	$ 1,680,364
Cost of goods sold (including occupancy, distribution and buying expenses)	578,903	555,111	1,181,431	1,117,497
Selling, general and administrative expenses	234,826	227,905	467,687	457,467
Gain on sale of property and equipment	569	599	1,715	1,263
Asset impairment and exit costs	96	(853)	195	(737)
Operating income	54,688	50,213	130,144	107,400
Interest expense, net	(12,418)	(12,396)	(24,944)	(24,921)
Income before income taxes	42,270	37,817	105,200	82,479
Income tax expense	14,899	12,802	37,539	25,595
Net income	$ 27,371	$ 25,015	$ 67,661	$ 56,884
Basic net income per share	$ 0.63	$ 0.55	$ 1.53	$ 1.24
Diluted net income per share	$ 0.63	$ 0.55	$ 1.52	$ 1.24
Weighted average shares outstanding:
Basic	43,342,305	45,179,482	44,180,342	45,795,534
Diluted	43,481,839	45,349,274	44,401,748	46,016,363