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Acquisitions Of Subsidiaries - Summary of Cash Inflow on Acquisition (Detail) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Aug. 03, 2020 | Apr. 30, 2023 | Apr. 30, 2022 | [1] | Apr. 30, 2021 | [1]
Disclosure of detailed information about business combination [line items] |  |  |  |
Cash consideration paid | $ (3,000) |  |  |
Add: cash and cash equivalents balances acquired | 5,673 |  |  |
Total | 2,673 | $ 3,860 | $ 0 | $ 2,673
AMTD Assets [Member] |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |
Cash consideration paid | 0 |  |  |
Add: cash and cash equivalents balances acquired | 3,860 | $ 3,860 |  |
Total | $ 3,860 |  |  |
[1] | The comparative consolidated financial statements have been re-presented from Hong Kong dollar to US$ to reflect the Company’s change in presentation currency. See note 1.

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