Consolidated Balance Sheets (Parenthetical) (USD $)	Jan. 28, 2012	Jan. 29, 2011
Consolidated Balance Sheets [Abstract]
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	1,000
Preferred stock, shares outstanding	1,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	170,859,375	170,859,375
Common stock, shares issued	67,511,468	66,173,397
Common stock, shares outstanding	67,511,468	66,173,397