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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 | Jan. 31, 2023 | Jan. 31, 2022
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Equity Plan [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Shares reserved | 5,822,819 | 7,461,541
ESPP [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Shares reserved | 2,986,403 | 2,624,704

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- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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Period Type: | instant

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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. + References No definition available. + Details
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- Details
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- Details
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