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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Apr. 30, 2016
Jan. 30, 2016
Statement of Financial Position [Abstract]    
Preferred stock, par value (in dollars 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 (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized 150,000,000 150,000,000
Common stock, shares issued 140,511,873 140,028,937
Common stock, shares outstanding 84,326,321 83,833,937
Treasury stock, shares 56,185,552 56,195,000