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Stock-Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Oct. 28, 2017
Oct. 29, 2016
Oct. 28, 2017
Oct. 29, 2016
Stock-based compensation expense by type [Abstract]        
Stock options $ 8 $ 0 $ 181 $ 384
Restricted stock unit awards, including performance-based 796 629 2,905 3,237
Employee stock purchases 19 22 75 80
Director deferred compensation 6 24 18 70
Total stock-based compensation expense 829 675 3,179 3,771
Income tax benefit recognized 305 240 1,151 1,363
Stock-based compensation expense, net of income tax $ 524 $ 435 $ 2,028 $ 2,408
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares of common stock purchased during the period under the employee stock purchase plan (in shares) 6,239 3,236 16,984 11,874
Shares Awarded (in shares) 3,361 2,851 3,361 2,851
Weighted-average grant date fair value of stock options granted (in dollars per share) $ 4.20 $ 0 $ 6.20 $ 10.56
Grant date fair value of shares purchased through the employee stock purchase plan (in dollars per share) 4.52 7.25 4.43 6.94
Purchase price paid for stock purchased through the employee stock purchase plan (in dollars per share) $ 12.11 $ 29.29 $ 18.00 $ 27.66
Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares Awarded (in shares) 18,577 0 38,949 36,359
Total compensation costs related to nonvested awards not yet recognized $ 100   $ 100  
Weighted-average period over which nonvested awards are expected to be recognized (in years) 10 months 24 days      
Restricted Stock Units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares Awarded (in shares) 0 0 108,429 100,775
Total compensation costs related to nonvested awards not yet recognized $ 6,300   $ 6,300  
Weighted-average period over which nonvested awards are expected to be recognized (in years) 2 years 4 months 24 days      
Performance-based Restricted Stock Units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares Awarded (in shares) 0 0 54,900 45,300
Deferred Stock Units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares Awarded (in shares) 417 588 904 14,744