Shareholders' Equity (Deficit) (Narrative) (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Jan. 30, 2016 USD ($) vote $ / shares shares	Jan. 31, 2015 USD ($) $ / shares shares	Feb. 01, 2014 USD ($)
Class of Stock [Line Items]
Proceeds from Stock Options Exercised | $	$ 912	$ 1,481	$ 1,484
Excess Tax Benefit from Share-based Compensation, Financing Activities | $	$ 608	$ 2,049	$ 2,262
Common stock, shares authorized | shares	120,000,000	120,000,000
Common stock, par value (in dollars per share) | $ / shares	$ 0.01	$ 0.01
Preferred stock, shares authorized | shares	5,000,000
Preferred stock, par value | $ / shares	$ 0.01
Voting right per common stock share (vote) | vote	1