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Stock-Based Compensation Plans - Summary of Nonvested Share (Details) - $ / shares | 12 Months Ended
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Jan. 31, 2025 | Jan. 31, 2024 | Jan. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares) | 280,658 | 278,845 | 356,014
Granted, Weighted- Average Grant-Date Fair Value per Share (in dollars per share) | $ 29.53 | $ 26.19 | $ 18.47
Shareholder-approved stock options plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock Options Outstanding (in shares), Beginning | 446,553 | 488,821 |
Weighted- Average Grant-Date Fair Value per Share (in dollars per share), Beginning | $ 20.67 | $ 16.11 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares) | 280,658 | 278,845 |
Granted, Weighted- Average Grant-Date Fair Value per Share (in dollars per share) | $ 29.53 | $ 26.19 |
Vested (in shares) | (301,921) | (303,628) |
Vested, Weighted- Average Grant-Date Fair Value per Share (in dollars per share) | $ 21.88 | $ 17.74 |
Forfeited (in shares) | (14,888) | (17,485) |
Forfeited, Weighted- Average Grant-Date Fair Value per Share (in dollars per share) | $ 25.16 | $ 18.29 |
Stock Options Outstanding (in shares), Ending | 410,402 | 446,553 | 488,821
Weighted- Average Grant-Date Fair Value per Share (in dollars per share), Ending | $ 25.21 | $ 20.67 | $ 16.11

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- Definition Line items represent financial concepts included in a table. 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