Shareholders' Equity - Additional Information (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2025 |
Jul. 31, 2026 |
Jul. 31, 2025 |
Jun. 04, 2019 |
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| Equity, Class of Treasury Stock [Line Items] | |||||
| Common shares authorized for repurchase, shares | 20,000,000 | ||||
| Remaining common shares authorized for repurchase, shares | 10,009,401 | 10,009,401 | |||
| Stock Repurchased and Retired During Period, Value | $ 543 | $ 844 | $ 324,699 | $ 174,213 | |
| Employee Stock | |||||
| Equity, Class of Treasury Stock [Line Items] | |||||
| Stock Repurchased and Retired During Period, Shares | 338,821 | 392,163 | |||
| Stock Repurchased and Retired During Period, Value | $ 22,092 | $ 21,144 | |||
| X | ||||||||||
- Definition Number of shares authorized to be purchased under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Number of shares remaining authorized to be purchased under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Number of shares that have been repurchased and retired during the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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