CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Aug. 03, 2013	Feb. 02, 2013
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	170,859,375	170,859,375
Common stock, shares issued	68,562,532	68,092,639
Common stock, shares outstanding	68,562,532	68,092,639
Convertible Preferred Stock [Member]
Preferred stock, ;ar value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	1,000	1,000
Preferred stock, shares outstanding	1,000	1,000