Net Income Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	6 Months Ended
Aug. 02, 2014	Aug. 03, 2013	Aug. 02, 2014	Aug. 03, 2013
Basic Earnings per Share:
Net income	$ 2,584	$ 5,838	$ 11,735	$ 15,357
Amount allocated to participating securities	(47)	(97)	(207)	(278)
Net income available for basic common shares and basic earnings per share	2,537	5,741	11,528	15,079
Net income available for basic common shares and basic earnings per share, Shares	19,856	19,936	19,908	19,907
Net income available for basic common shares and basic earnings per share, Per Share Amount	$ 0.13	$ 0.29	$ 0.58	$ 0.76
Diluted Earnings per Share:
Net income	2,584	5,838	11,735	15,357
Amount allocated to participating securities	(47)	(97)	(207)	(278)
Adjustment for dilutive potential common shares
Adjustment for dilutive potential common shares, Shares	13	21	15	20
Net income available for diluted common shares and diluted earnings per share	$ 2,537	$ 5,741	$ 11,528	$ 15,079
Net income available for diluted common shares and diluted earnings per share, Shares	19,869	19,957	19,923	19,927
Net income available for diluted common shares and diluted earnings per share, Per Share Amount	$ 0.13	$ 0.29	$ 0.58	$ 0.76

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