Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jan. 28, 2012	Jan. 29, 2011	Jan. 30, 2010
Consolidated Statements of Income [Abstract]
Net sales	$ 762,534	$ 739,189	$ 682,422
Cost of sales (including buying, distribution and occupancy costs)	537,681	517,650	488,816
Gross profit	224,853	221,539	193,606
Selling, general and administrative expenses	182,716	179,154	168,476
Operating income	42,137	42,385	25,130
Interest income	(79)	(165)	(39)
Interest expense	266	258	174
Income before income taxes	41,950	42,292	24,995
Income tax expense	15,568	15,471	9,829
Net income	$ 26,382	$ 26,821	$ 15,166
Net income per share:
Basic (in dollars per share)	$ 1.98	$ 2.11	$ 1.21
Diluted (in dollars per share)	$ 1.97	$ 2.05	$ 1.20