XML 63 R48.htm IDEA: XBRL DOCUMENT v3.22.0.1
Stock-Based Compensation - Restricted Stock (Details) - Restricted stock and restricted stock units - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Jan. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]      
Balance as of the beginning of the period (in shares) 9,545,352    
Granted - restricted stock and restricted stock units (in shares) 7,831,853    
Vested and converted to shares (in shares) (4,426,715)    
Canceled (in shares) (2,766,276)    
Balance as of the end of period (in shares) 10,184,214 9,545,352  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]      
Balance as of the beginning of the period (in dollars per share) $ 16.71    
Granted - restricted stock and restricted stock units (in dollars per share) 12.94 $ 15.52 $ 18.71
Vested and converted to shares (in dollars per share) 15.76    
Canceled (in dollars per share) 16.09    
Balance as of the end of period (in dollars per share) $ 14.38 $ 16.71  
Weighted average fair value vested (in dollars) $ 69.8 $ 72.4 $ 54.7