Net Income Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 02, 2013	Oct. 27, 2012	Nov. 02, 2013	Oct. 27, 2012
Basic Earnings per Share:
Net income	$ 10,916	$ 12,248	$ 26,273	$ 26,127
Amount allocated to participating securities	(185)	(249)	(466)	(491)
Net income available for basic common shares and basic earnings per share	10,731	11,999	25,807	25,636
Net income available for basic common shares and basic earnings per share, Shares	19,942	19,951	19,918	19,922
Net income available for basic common shares and basic earnings per share, Per Share Amount	$ 0.54	$ 0.60	$ 1.30	$ 1.29
Diluted Earnings per Share:
Net income	10,916	12,248	26,273	26,127
Amount allocated to participating securities	(185)	(249)	(466)	(491)
Adjustment for dilutive potential common shares		1		2
Adjustment for dilutive potential common shares, Shares	20	52	21	74
Net income available for diluted common shares and diluted earnings per share	$ 10,731	$ 12,000	$ 25,807	$ 25,638
Net income available for diluted common shares and diluted earnings per share, Shares	19,962	20,003	19,939	19,996
Net income available for diluted common shares and diluted earnings per share, Per Share Amount	$ 0.54	$ 0.60	$ 1.29	$ 1.28