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Stock-Based Compensation - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Aug. 01, 2020
Aug. 03, 2019
Aug. 01, 2020
Aug. 03, 2019
2012 Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares granted (in shares) 0 0   13,858
Restricted Stock Units (RSUs)        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Forfeitures $ 0.7 $ 0.5 $ 0.9 $ 1.8
Compensation costs not yet recognized $ 6.2   $ 6.2  
Weighted-average period for recognition     2 years 8 months 12 days  
Number of shares granted (in shares) 3,264 31,573 337,749 222,594
Employee Stock Option        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options granted (in shares) 0 0 27,000 16,798
Weighted-average grant date fair value of stock options (in dollars per share)     $ 3.33 $ 5.46