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Share-Based Compensation (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Jul. 30, 2016
Aug. 01, 2015
Jul. 30, 2016
Aug. 01, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Allocated Share-based Compensation Expense $ 2.3 $ 2.0 $ 4.3 $ 3.7
Shares of common stock issued during the period 20,829 20,163 408,434 364,842
Performance Share Plan Cash Based Awards [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Allocated Share-based Compensation Expense $ 0.9 $ 2.5 $ 1.7 $ 4.1
Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of restricted shares granted 13,800 8,000 350,600 293,421
Weighted-average grant date fair value of restricted share grants $ 24.85 $ 31.67 $ 26.57 $ 30.11
Performance share units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted-average grant date fair value of restricted share grants     $ 26.64 $ 30.12
Minimum pay out percentage     0.00%  
Maximum pay out percentage     200.00%  
Employee Stock Option [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of stock options granted 0 0 0 16,667
Restricted Stock Units for Non-Employee Directors [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of restricted shares granted 53,310 36,740 54,163 37,444
Weighted-average grant date fair value of restricted stock units to non-employee directors $ 21.62 $ 31.68 $ 21.72 $ 31.69
Four Year Vesting Period | Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of restricted shares granted 13,800 8,000 350,600 280,921
Four Year Vesting Period | Employee Stock Option [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of stock options granted       8,333
Five Year Vesting Period | Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of restricted shares granted       12,500
Five Year Vesting Period | Employee Stock Option [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of stock options granted       8,334
Three Year Vesting Period | Performance share units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of restricted shares granted 0   159,000 177,921