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STOCK-BASED COMPENSATION, (Non-vested stock granted) (Details) - Non-vested Stock [Member] - $ / shares
12 Months Ended
Jan. 30, 2016
Jan. 31, 2015
Feb. 01, 2014
Non-vested Stock, Number of Shares [Roll Forward]      
Outstanding at January 31, 2015 (in shares) 678,604    
Granted (in shares) 548,759    
Vested (in shares) (272,872)    
Forfeited (in shares) (59,965)    
Outstanding at January 30, 2016 (in shares) 894,526 678,604  
Non-vested Stock, Weighted Average Grant Date Fair Value [Roll Forward]      
Outstanding at January 31, 2015 (in dollars per share) $ 21.76    
Granted (in dollars per share) 18.70 $ 22.81 $ 24.97
Vested (in dollars per share) 20.77    
Forfeited (in dollars per share) 21.56    
Outstanding at January 30, 2016 (in dollars per share) $ 20.20 $ 21.76