v3.26.1
Net Income per Common Share - Additional Information (Detail) - shares
3 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti-dilutive common shares 0 0
Performance Stock Units (PSUs)    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti-dilutive common shares 166,454 209,248