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Shareholders' Equity - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Oct. 31, 2024 | Oct. 31, 2023 | Oct. 31, 2024 | Oct. 31, 2023 | Jun. 04, 2019
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Common shares authorized for repurchase, shares |  |  |  |  | 20,000,000
Remaining common shares authorized for repurchase, shares | 17,956,390 |  | 17,956,390 |  |
Stock Repurchased and Retired During Period, Value | $ 281 | $ 169 | $ 67,760 | $ 8,353 |
Employee Stock |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Stock Repurchased and Retired During Period, Shares |  |  | 363,369 | 308,649 |
Stock Repurchased and Retired During Period, Value |  |  | $ 15,264 | $ 8,353 |

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