Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 29, 2011	Oct. 30, 2010	Oct. 29, 2011	Oct. 30, 2010
Condensed Consolidated Statements of Income [Abstract]
Net sales	$ 97,071	$ 92,725	$ 281,175	$ 275,694
Cost of sales (exclusive of depreciation as shown below)	60,938	56,732	176,109	164,243
Gross profit	36,133	35,993	105,066	111,451
Operating expenses:
Compensation and benefits	18,828	18,337	55,187	53,228
Other operating expenses	12,467	10,744	34,541	29,146
Depreciation	2,914	3,146	8,888	9,294
Total operating expenses	34,209	32,227	98,616	91,668
Operating income	1,924	3,766	6,450	19,783
Interest expense, net	55	33	125	101
Other income, net	(51)	(62)	(126)	(249)
Income before income taxes	1,920	3,795	6,451	19,931
Income tax provision	673	1,516	2,514	7,882
Net income	$ 1,247	$ 2,279	$ 3,937	$ 12,049
Earnings per share:
Basic	$ 0.06	$ 0.11	$ 0.20	$ 0.61
Diluted	$ 0.06	$ 0.11	$ 0.19	$ 0.59
Weighted average shares for basic earnings per share	19,918	19,889	19,930	19,839
Effect of dilutive stock equivalents	286	633	568	749
Adjusted weighted average shares for diluted earnings per share	20,204	20,522	20,498	20,588