Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Aug. 01, 2015	Jan. 31, 2015	Aug. 02, 2014
Statement of Financial Position [Abstract]
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	$ 63,573	$ 59,385	$ 51,685
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Common stock, shares authorized	120,000,000	120,000,000	120,000,000
Common stock, shares issued	54,478,408	54,420,228	54,300,398
Common stock, shares outstanding	54,478,408	54,420,228	54,300,398