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Share-Based Compensation - Summary of Restricted Stock Unit's Activity (Detail) - $ / shares
 12 Months Ended
Jan. 31, 2024
Jan. 31, 2023
Jan. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted, Weighted average fair value $ 26.96 $ 25.38 $ 38.15
Restricted Stock Units (RSUs)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Non-vested awards outstanding at beginning of year, Shares 2,553,399    
Granted, Shares 971,135    
Vested, Shares (760,702)    
Forfeited, Shares (93,852)    
Non-vested awards outstanding at end of year, Shares 2,669,980 2,553,399  
Non-vested awards outstanding at beginning of year, Weighted average fair value $ 29.82    
Granted, Weighted average fair value 27.42 $ 25.01 37.3
Vested, Weighted average fair value 31.11 30.48 $ 29.66
Forfeited, Weighted average fair value 29.21    
Non-vested awards outstanding at end of year, Weighted average fair value $ 28.58 $ 29.82