CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012	Jul. 30, 2011
Consolidated Statements Of Income [Abstract]
Net sales	$ 182,207	$ 166,672	$ 404,820	$ 365,122
Cost of sales (including buying, distribution and occupancy costs)	129,878	120,299	283,952	256,989
Gross profit	52,329	46,373	120,868	108,133
Selling, general and administrative expenses	47,637	42,259	98,199	87,884
Operating income	4,692	4,114	22,669	20,249
Interest income	(9)	(21)	(25)	(49)
Interest expense	66	71	134	132
Income before income taxes	4,635	4,064	22,560	20,166
Income tax expense	1,776	1,349	8,681	7,532
Net income	$ 2,859	$ 2,715	$ 13,879	$ 12,634
Net income per share:
Basic (in dollars per share)	$ 0.14	$ 0.14	$ 0.68	$ 0.64
Diluted (in dollars per share)	$ 0.14	$ 0.14	$ 0.68	$ 0.63
Weighted average shares:
Basic (in shares)	19,934	19,508	19,907	19,408
Diluted (in shares)	20,010	19,714	19,991	19,611
Cash dividends declared per share (in dollars per share)	$ 0.05	$ 0.00	$ 0.05	$ 0.00