XML 51 R37.htm IDEA: XBRL DOCUMENT v3.20.1
Stock-Based Compensation - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
May 02, 2020
May 04, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares granted 0 13,858
Weighted-average grant date fair value of stock options (in dollars per share) $ 3.33 $ 5.46
Restricted Stock Units (RSUs)    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Forfeitures $ 0.3 $ 1.3
Compensation costs not yet recognized $ 7.9  
Weighted-average period for recognition 2 years 10 months 24 days  
Number of shares granted 334,485 191,021
Employee Stock Option    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares granted 27,000 16,798