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Statutory Reserves - Narrative (Detail) - Subisidiary [Member] - China [Member] $ in Millions | 3 Months Ended
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Jul. 31, 2022 USD ($)
Statutory Reserves [Line Items] |
Percentage of net income required to be transferred to a statutory surplus reserve fund | 10.00%
Maximum required percentage of statutory surplus reserve fund to registered capital | 50.00%
Percentage of statutory surplus reserve fund to registered capital | 50.00%
Statutory surplus reserve fund balance | $ 4.3
Minimum threshold percentage for statutory surplus reserve fund as percentage of registered capital, below which certain capital transactions are prohibited | 25.00%

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- Definition The maximum percentage of registered capital required to be transferred to a statutory surplus reserve fund under foreign government accounting rules and regulations. Such transfers occur over time based on earnings until the cap is reached, if ever. + References No definition available. + Details
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- Definition The minimum percentage of the statutory surplus reserve fund balance over registered capital, below which the fund cannot be used to fund previous years' losses, for business expansion, or converted into share capital by (a) issuing new shares to existing shareholders in proportion to their shareholding, or (b) increasing the par value of the shares currently held by them. + References No definition available. + Details
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Data Type: | dtr-types:percentItemType
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Period Type: | duration

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- Definition The percentage of net income required to be transferred to a statutory surplus reserve fund under foreign accounting rules and regulations. + References No definition available. + Details
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- Definition Percentage of statutory surplus reserve fund to registered capital. + References No definition available. + Details
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Period Type: | duration

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- Definition Statutory reserves line items. + References No definition available. + Details
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Data Type: | xbrli:stringItemType
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- Definition The amount of the statutory surplus reserve fund balance as of the reporting date. The surplus reserve fund is non-distributable other than during liquidation and can be used to fund previous years' losses, if any, and may be utilized for business expansion or converted into share capital by issuing new shares to existing shareholders in proportion to their shareholding or by increasing the par value of the shares currently held by them provided that the remaining reserve balance after such issue is not less than 25% of the registered capital. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
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Period Type: |

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- Details
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Data Type: | na
Balance Type: |
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