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Net Income per Common Share - Additional Information (Detail) - $ / shares
12 Months Ended
Jan. 31, 2025
Jan. 31, 2024
Jan. 31, 2023
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Anti-dilutive common shares 30,000 60,000 182,500
Anti-dilutive common shares exercise price, minimum   $ 28.47 $ 23.74
Anti-dilutive common shares exercise price, maximum $ 46.42 $ 46.42 $ 46.42
Performance Stock Units (PSUs)      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Anti-dilutive common shares 270,441 272,554