Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited) (USD $) In Thousands, except Per Share data	May 01, 2011	Jan. 30, 2011	May 02, 2010
Stockholders' equity:
Preferred stock, par value	$ 0.0001	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	10,000	10,000	10,000
Preferred stock, shares issued	0	0	0
Preferred stock, shares outstanding	0	0	0
Common stock, par value	$ 0.0001	$ 0.0001	$ 0.0001
Common stock, shares authorized	625,000	625,000	625,000
Common stock, shares issued	162,973	162,586	161,253
Treasury stock, shares	49,582	47,094	42,929