Net Income Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 03, 2013	Jul. 28, 2012	Aug. 03, 2013	Jul. 28, 2012
Basic Earnings per Share:
Net income	$ 5,838	$ 2,859	$ 15,357	$ 13,879
Amount allocated to participating securities	(97)	(70)	(278)	(299)
Net income available for basic common shares and basic earnings per share	5,741	2,789	15,079	13,580
Net income available for basic common shares and basic earnings per share, Shares	19,936,000	19,934,000	19,907,000	19,907,000
Net income available for basic common shares and basic earnings per share, Per Share Amount	$ 0.29	$ 0.14	$ 0.76	$ 0.68
Diluted Earnings per Share:
Net income	5,838	2,859	15,357	13,879
Amount allocated to participating securities	(97)	(69)	(278)	(298)
Adjustment for dilutive potential common shares
Adjustment for dilutive potential common shares, Shares	21,000	76,000	20,000	84,000
Net income available for diluted common shares and diluted earnings per share	$ 5,741	$ 2,790	$ 15,079	$ 13,581
Net income available for diluted common shares and diluted earnings per share, Shares	19,957,000	20,010,000	19,927,000	19,991,000
Net income available for diluted common shares and diluted earnings per share, Per Share Amount	$ 0.29	$ 0.14	$ 0.76	$ 0.68