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Stock-Based Compensation (Summary of the Activity For Non-Employee Directors Stock Unit Awards) (Details) (Non Employee Director Stock Unit Awards [Member], USD $)
In Thousands, except Per Share data, unless otherwise specified
9 Months Ended 12 Months Ended
Oct. 28, 2012
Jan. 29, 2012
Non Employee Director Stock Unit Awards [Member]
   
Number of Units    
Beginning balance 18  
Stock units granted 20  
Stock units vested (18)  
Stock units forfeited 0  
Ending balance 20 18
Recorded Liability    
Beginning balance $ 3,873  
Change in liability (190)  
Ending balance 3,683 3,873
Weighted Averaged Grant Date Fair Value (per unit)    
Beginning balance $ 27.60  
Stock units granted $ 24.46  
Stock units vested $ 27.60  
Ending balance $ 24.46 $ 27.60
Aggregate Unrecognized Compensation    
Beginning balance 216  
Ending balance $ 336  
Period Over Which Expected to be Recognized (in years)    
Weighted average period over which expected to be recognized (in years) 8 months 5 months