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Stock Based Compensation (Restricted Stock Award and Restricted Stock Unit Activity) (Details) (USD $)
12 Months Ended
Feb. 02, 2013
Jan. 28, 2012
Jan. 29, 2011
Restricted Stock [Member]
     
Nonvested restricted stock units, beginning of period, shares 213,600    
Granted, shares 0    
Nonvested restricted stock units, forfeited (10,800)    
Vested, shares (60,500)    
Nonvested restricted stock units, end of period, shares 142,300 213,600  
Nonvested, beginning of period, weighted-average fair value $ 22.23    
Granted, weighted average fair value $ 0.00 $ 23.43 $ 20.89
Forfeited, weighted average fair value $ 21.46    
Vested, weighted average fair value $ 22.07    
Nonvested, end of period, weighted-average fair value $ 22.36 $ 22.23  
Restricted Stock Units [Member]
     
Nonvested restricted stock units, beginning of period, shares 4,806,300    
Granted - performance-based, shares 398,700    
Performance adjustment, shares 0    
Granted - time-based, shares 287,300    
Dividend equivalents, shares 54,400    
Nonvested restricted stock units, forfeited (55,700)    
Vested, shares (2,642,500)    
Nonvested restricted stock units, end of period, shares 2,848,500 4,806,300  
Nonvested, beginning of period, weighted-average fair value $ 12.47    
Granted, weighted average fair value $ 39.52 $ 23.69 $ 20.95
Granted - performance based, weighted average fair value $ 39.68    
Performance adjustment, weighted average fair value $ 0.00    
Granted - time-based, weighted average fair value $ 39.31    
Dividend equivalents, weighted average fair value $ 38.46    
Forfeited, weighted average fair value $ 25.15    
Vested, weighted average fair value $ 4.52    
Nonvested, end of period, weighted-average fair value $ 26.61 $ 12.47