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Capital Stock - Schedule of Ordinary Shares Reserved for Future Issuance under Company's Equity Plans and Employee Stock Purchase Plan (Detail) - shares	Oct. 31, 2025	Jan. 31, 2025
Equity Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares reserved	4,069,245	4,991,570
ESPP [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares reserved	3,975,230	3,636,591

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- Definition

Aggregate number of common shares reserved for future issuance.

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