Summary of Significant Accounting Policies - Additional Information (Details) $ in Millions |
3 Months Ended | 12 Months Ended | |
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Apr. 30, 2026
USD ($)
segment
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Apr. 30, 2025
USD ($)
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Jan. 31, 2026 |
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| Summary Of Significant Accounting Policies [Line Items] | |||
| Foreign currency transaction gains (losses) | $ | $ 1.7 | $ (13.1) | |
| Number of operating segments | 1 | ||
| Number of reportable segments | 1 | ||
| United States, European Union Countries and Japan | Geographic Concentration Risk | Cash and Cash Equivalents | |||
| Summary Of Significant Accounting Policies [Line Items] | |||
| Concentration risk percentage | 88.00% | 93.00% | |
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- Definition Summary of significant accounting policies. No definition available.
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, before tax, of realized and unrealized gain (loss) from foreign currency transaction. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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