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Stock-Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Oct. 31, 2015
Nov. 01, 2014
Oct. 31, 2015
Nov. 01, 2014
Stock-based compensation expense by type [Abstract]        
Stock options $ 16 $ 19 $ 375 $ 449
Restricted stock unit awards, including performance-based 815 122 3,980 3,059
Employee stock purchases 23 25 81 81
Director deferred compensation 18 18 53 52
Total stock-based compensation expense 872 184 4,489 3,641
Income tax benefit recognized 316 60 1,645 1,342
Stock-based compensation expense, net of income tax $ 556 $ 124 $ 2,844 $ 2,299
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares Awarded (in shares)     1,981 1,759
Shares of common stock purchased during the period under the employee stock purchase plan (in shares) 3,114 2,115 8,605 6,796
Weighted-average grant date fair value of stock options granted (in dollars per share) $ 10.52 $ 15.36 $ 17.23 $ 23.38
Grant date fair value of shares purchased through the employee stock purchase plan (in dollars per share) 10.01 9.50 10.35 11.16
Purchase price paid for stock purchased through the employee stock purchase plan (in dollars per share) $ 29.76 $ 36.24 $ 36.66 $ 42.35
Total compensation costs related to nonvested restricted stock unit awards not yet recognized $ 8,600   $ 8,600  
Weighted-average period over which nonvested restricted stock unit awards are expected to be recognized (in years) 2 years 6 months      
Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares Awarded (in shares) 1,515 1,244 21,743 19,219
Restricted Stock Units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares Awarded (in shares) 0 0 69,529 63,399
Performance-based Restricted Stock Units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares Awarded (in shares) 0 0 29,300 25,300
Deferred Stock Units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares Awarded (in shares) 500 411 12,128 10,740