v3.21.1
Stock-Based Compensation - RSU and PSU activity (Details) - RSU and PSU
shares in Thousands
3 Months Ended
Apr. 30, 2021
$ / shares
shares
Number of Shares  
RSUs and PSUs outstanding at beginning of period (in shares) | shares 8,449
Granted (in shares) | shares 976
Vested (in shares) | shares (1,193)
Performance adjustment (in shares) | shares 153
Forfeited (in shares) | shares (111)
RSUs and PSUs outstanding at end of period (in shares) | shares 8,274
RSUs and PSUs expected to vest at end of period (in shares) | shares 8,274
Weighted- Average Grant Date Fair Value Per Share  
RSUs and PSUs outstanding at beginning of period (in usd per share) | $ / shares $ 59.27
Granted (in usd per share) | $ / shares 199.35
Vested (in usd per share) | $ / shares 53.21
Performance Adjustment (in usd per share) | $ / shares 58.15
Forfeited (in usd per share) | $ / shares 81.63
RSUs and PSUs outstanding at end of period (in usd per share) | $ / shares 76.34
RSUs and PSUs expected to vest at end of period (in usd per share) | $ / shares $ 76.34