Capital Stock - Additional Information (Detail) - USD ($) $ in Thousands |
3 Months Ended | ||
|---|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2025 |
Jan. 31, 2026 |
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| Class Of Stock [Line Items] | |||
| Preference shares, shares issued | 0 | 0 | |
| Preference shares, shares outstanding | 0 | 0 | |
| Stock repurchased, value | $ 2,441 | $ 1,000 | |
| Share Repurchase Program [Member] | |||
| Class Of Stock [Line Items] | |||
| Stock repurchased, shares | 47,798 | ||
| Amount available under stock repurchase program | $ 45,600 | ||
| ESPP [Member] | |||
| Class Of Stock [Line Items] | |||
| Additional ordinary shares reserved for issuance | 541,319 | ||
| ESPP [Member] | Scenario, plan automatically increased by the lessor of [Member] | |||
| Class Of Stock [Line Items] | |||
| Annual increase in ordinary shares for available for future issuance | 1,500,000 | ||
| Annual shares increase for future issuance by percentage under 2012 employee stock purchase plan | 1.25% | ||
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- Definition Number of additional shares reserved for issuance under an established employee stock purchase plan. No definition available.
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- Definition Annual increase in ordinary shares for available for future issuance. No definition available.
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- Definition Annual increase in shares for available for future issuance by percentage of the outstanding ordinary shares on the first day of such fiscal year. No definition available.
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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/2003/role/disclosureRef
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- Definition Number of shares issued for nonredeemable preferred shares and preferred shares redeemable solely at option of issuer. Includes, but is not limited to, preferred shares issued, repurchased, and held as treasury shares. Excludes preferred shares classified as debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. No definition available.
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- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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