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Stock-Based Compensation (Summary of Restricted Stock Awards Transactions) (Details) - Restricted Stock [Member] - $ / shares
9 Months Ended
Oct. 28, 2017
Oct. 29, 2016
Number of Shares    
Restricted stock at January 28, 2017 964,858  
Granted 274,346  
Vested (119,107)  
Forfeited or expired (168,937)  
Restricted stock at October 28, 2017 951,160  
Weighted-Average Grant Date Fair Value    
Restricted stock at January 28, 2017 $ 22.63  
Granted 24.09 $ 24.98
Vested 24.27  
Forfeited or expired 18.46  
Restricted stock at October 28, 2017 $ 23.59