v3.20.4
Employee Benefit Plans - Employee Stock Purchase Plan (Details) - the ESPP - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Jan. 30, 2021
Feb. 01, 2020
Feb. 02, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Maximum subscription rate 15.00%    
Look-back period 24 months    
Percentage discount of purchase price per share of common shares 85.00%    
Offering period 2 years    
Purchase period 6 months    
Number of shares issued 5.0 5.2 3.2
Weighted-average price (in usd per share) $ 14.36 $ 13.25 $ 15.08
Unamortized compensation expense $ 55.9    
Number of shares available for future issuance 32.5