Consolidated Balance Sheets (Parentheticals) (USD $)
May 02, 2015
Jan. 31, 2015
Statement of Financial Position [Abstract]    
Preferred stock, par value (usd per share) $ 0.01 $ 0.01
Preferred stock, shares authorized 10,000,000 10,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value (usd per share) $ 0.01 $ 0.01
Common stock, shares authorized 500,000,000 500,000,000
Common stock, shares issued 90,870,000 90,400,000
Common stock, shares outstanding 84,586,000 84,298,000
Treasury stock, shares 6,284,000 6,102,000