Net Income Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	May 03, 2014	May 04, 2013
Basic Earnings per Share:
Net income	$ 9,151	$ 9,519
Amount allocated to participating securities	(155)	(188)
Net income available for basic common shares and basic earnings per share	8,996	9,331
Net income available for basic common shares and basic earnings per share, Shares	19,960	19,877
Net income available for basic common shares and basic earnings per share, Per Share Amount	$ 0.45	$ 0.47
Diluted Earnings per Share:
Net income	9,151	9,519
Amount allocated to participating securities	(155)	(188)
Adjustment for dilutive potential common shares
Adjustment for dilutive potential common shares, Shares	18	20
Net income available for diluted common shares and diluted earnings per share	$ 8,996	$ 9,331
Net income available for diluted common shares and diluted earnings per share, Shares	19,978	19,897
Net income available for diluted common shares and diluted earnings per share, Per Share Amount	$ 0.45	$ 0.47