Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Apr. 30, 2016	Jan. 30, 2016	May. 02, 2015
Statement of Financial Position [Abstract]
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	$ 80,522	$ 74,395	$ 63,573
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	54,724,935	54,590,641	54,478,408
Common stock, shares outstanding	54,724,935	54,590,641	54,478,408