Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Summary of Stock Options (Details)

v3.22.1
Stock-Based Compensation - Summary of Stock Options (Details)
$ / shares in Units, $ in Millions
3 Months Ended
Apr. 30, 2022
USD ($)
$ / shares
shares
Number of Shares  
Outstanding, beginning balance (in shares) | shares 24,541
Granted (in shares) | shares 2,252,587
Exercised (in shares) | shares (370)
Outstanding, ending balance (in shares) | shares 2,276,758
Exercisable at period end (in shares) | shares 24,171
Weighted Average Per Share Exercise Price  
Outstanding, beginning balance (in dollars per share) | $ / shares $ 90.38
Granted (in dollars per share) | $ / shares 157.17
Exercised (in dollars per share) | $ / shares 76.97
Outstanding, ending balance (in dollars per share) | $ / shares 156.46
Exercisable at period end (in dollars per share) | $ / shares $ 90.59
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]  
Weighted averaged remaining term, outstanding at period end 9 years 9 months 18 days
Weighted average remaining term, exercisable at period end 4 years 6 months
Aggregate intrinsic value of options outstanding at period end | $ $ 13.6
Aggregate intrinsic value, exercisable at period end | $ $ 1.7