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Stock-Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Apr. 30, 2016
May. 02, 2015
Stock-based compensation expense by type [Abstract]    
Stock options $ 381 $ 340
Restricted stock unit awards, including performance-based 1,709 2,278
Employee stock purchases 36 37
Director deferred compensation 23 18
Total stock-based compensation expense 2,149 2,673
Income tax benefit recognized 781 985
Stock-based compensation expense, net of income tax $ 1,368 $ 1,688
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares Awarded (in shares) 2,851 1,981
Shares of common stock purchased during the period under the employee stock purchase plan (in shares) 5,617 3,449
Weighted-average grant date fair value of stock options granted (in dollars per share) $ 10.56 $ 17.82
Grant date fair value of shares purchased through the employee stock purchase plan (in dollars per share) 6.47 10.72
Purchase price paid for stock purchased through the employee stock purchase plan (in dollars per share) $ 25.70 $ 41.17
Total compensation costs related to nonvested restricted stock unit awards not yet recognized $ 10,900  
Weighted-average period over which nonvested restricted stock unit awards are expected to be recognized (in years) 2 years 9 months 18 days  
Stock Options [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares Awarded (in shares) 36,041 19,090
Restricted Stock Units [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares Awarded (in shares) 100,775 69,529
Performance-based Restricted Stock Units [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares Awarded (in shares) 45,300 29,300
Deferred Stock Units [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares Awarded (in shares) 13,482 11,252