Earnings Per Share - (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2015	Nov. 01, 2014	Oct. 31, 2015	Nov. 01, 2014
Earnings Per Share Disclosure [Abstract]
Net income	$ 8,319	$ 5,692	$ 54,996	$ 51,350
Earnings Allocated to Non-Vesting Equity Awards	(175)	(113)	(1,145)	(1,001)
Net Income (Loss) Available to Common Stockholders	$ 8,144	$ 5,579	$ 53,851	$ 50,349
Basic Weighted-Average common shares outstanding	27,368,931	27,359,660	27,396,760	27,673,293
Dilutive Effect of Stock Options	5,234	4,493	5,703	2,640
Dilluted Weighted Average Common Shares Outstanding	27,374,165	27,364,153	27,402,463	27,675,933
Basic earnings per share	$ 0.3	$ 0.2	$ 1.97	$ 1.82
Diluted earnings per share	$ 0.3	$ 0.2	$ 1.97	$ 1.82