v3.26.1
Stock-Based Compensation Plans - Summary of Restricted Share Units Activity (Details) - USD ($)
$ / shares in Units, $ in Millions
6 Months Ended 12 Months Ended
Jul. 31, 2026
Jan. 31, 2026
Stock-Based Compensation Plans    
Vested or expected to vest, weighted-average exercise price (in dollars per share) $ 73.44  
Vested or expected to vest, weighted-average remaining contractual life (Year) 4 years 8 months 12 days  
Vested or expected to vest, aggregate intrinsic value $ 19.2  
RSU    
Stock-Based Compensation Plans    
Number of Units Outstanding (in shares), Beginning 473,999  
Weighted-Average Granted Date Fair Value (in dollars per share), Beginning $ 56.92  
Weighted-Average Remaining Contractual (years) 5 years 9 months 18 days 5 years
Aggregate Intrinsic Value $ 40.5 $ 34.6
RSUs Granted (in shares) 96,884  
RSUs Granted, weighted-average granted date fair value (in dollars per share) $ 68.11  
Exercised (in shares) (38,456)  
Exercised, weighted-average granted date fair value (in dollars per share) $ 17.91  
Number of Units Outstanding (in shares), Ending 532,427 473,999
Weighted-Average Granted Date Fair Value (in dollars per share), Ending $ 62.1 $ 56.92
Vested or expected to vest, RSU (in shares) 532,427  
Vested or expected to vest, weighted-average exercise price (in dollars per share) $ 62.1  
Vested or expected to vest, weighted-average remaining contractual life (Year) 5 years 9 months 18 days  
Vested or expected to vest, aggregate intrinsic value $ 40.5  
Exercisable, number of units (in shares) 377,633  
Exercisable, weighted-average granted date fair value (in dollars per share) $ 55.08  
Exercisable, weighted-average remaining contractual (years) 4 years 4 months 24 days  
Exercisable, aggregate intrinsic value $ 28.7