v3.26.1
Share-based Compensation Plans - Schedule of Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
Apr. 30, 2026
Jan. 31, 2026
Weighted Average Exercise Price    
Balances, Beginning (in usd per share) $ 175.64  
Granted (in usd per share) 0  
Exercised (in usd per share) 0  
Forfeited (in usd per share) 144.67  
Balances, Ending (in usd per share) 178.45 $ 175.64
Exercisable (in usd per share) $ 178.45  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]    
Weighted Average Remaining Contractual Term, Outstanding (in years) 2 years 3 months 18 days 2 years 6 months 18 days
Exercisable, Weighted Average Remaining Contract Term (in years) 2 years 3 months 18 days  
Aggregate Intrinsic Value $ 0.0 $ 0.0
Exercisable, Aggregate Intrinsic Value $ 0.0  
2019 Plan    
Number of Shares    
Balances Beginning (shares) 12,089  
Granted (in shares) 0  
Exercised (in shares) 0  
Forfeited (in shares) (1,005)  
Balances, Ending (in shares) 11,084 12,089
Exercisable (in shares) 11,084