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Share-Based Compensation - Share-Based Compensation Expense Included in Selling, General and Administrative Expenses in Consolidated Statements of Income (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jan. 31, 2025
Jan. 31, 2024
Jan. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation expense $ 31,039 $ 30,508 $ 29,449
Performance Stock Units (PSUs)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation expense 4,796 5,013 4,978
Restricted Stock Units (RSUs)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation expense $ 26,243 $ 25,495 $ 24,471