Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jul. 30, 2011	Jul. 31, 2010	Jul. 30, 2011	Jul. 31, 2010
Income Statement [Abstract]
Net sales	$ 352,832	$ 345,019	$ 699,315	$ 685,061
Cost of sales and related buying, occupancy and distribution expenses	248,975	240,869	510,238	491,016
Gross profit	103,857	104,150	189,077	194,045
Selling, general and administrative expenses	86,075	86,355	169,677	170,204
Store opening costs	906	379	3,640	1,835
Interest expense, net of income of $2 and $21 for the thirteen weeks and $24 and $50 for the twenty-six weeks, respectively	885	997	1,791	2,042
Income before income tax	15,991	16,419	13,969	19,964
Income tax expense	5,978	6,092	4,417	7,439
Net income	$ 10,013	$ 10,327	$ 9,552	$ 12,525
Basic and diluted earnings per share data:
Basic earnings per share	$ 0.29	$ 0.27	$ 0.27	$ 0.33
Basic weighted average shares outstanding	34,236	38,359	35,258	38,316
Diluted earnings per share	$ 0.29	$ 0.27	$ 0.27	$ 0.32
Diluted weighted average shares outstanding	34,635	38,587	35,725	38,680