Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)	Oct. 29, 2011	Jan. 29, 2011
SHAREHOLDERS' EQUITY:
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	170,859,375	170,859,375
Common stock, shares issued	67,389,703	66,173,397
Common stock, shares outstanding	67,389,703	66,173,397