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Non-Controlling Interests - Summary of Non-Controlling Interests (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Apr. 30, 2023 | Apr. 30, 2022 | Apr. 30, 2021
Disclosure Of Noncontrolling Interest [Line Items] |  |  |  |  |  |
Beginning Balance | $ 395,445 | [1] | $ 372,617 |  | $ 164,405 |
Loss for the year attributable to non-controlling interests | (1,597) |  | (1,653) | [1] | (803) | [1]
Exchange differences arising on translation | (1,177) |  | (4,251) |  | (467) |
Non-controlling interests arising on the acquisition of subsidiaries |  |  |  |  | 12,727 |
Issue of shares (note 26) |  |  | 101 |  |  |
Surplus on revaluation of hotel properties | 1,145 |  | 0 | [1] | 0 | [1]
Share of other comprehensive expense of joint ventures | (84) |  |  |  |  |
Share-based compensation (note 31) | 244 |  | 1,138 |  | 120 |
Ending Balance | 521,102 |  | 395,445 | [1] | 372,617 |
Non-controlling interests [member] |  |  |  |  |  |
Disclosure Of Noncontrolling Interest [Line Items] |  |  |  |  |  |
Beginning Balance | 2,514 |  | 3,248 |  | 0 |
Loss for the year attributable to non-controlling interests | (1,597) |  | (1,653) |  | (803) |
Exchange differences arising on translation | (475) |  | (52) |  | 49 |
Non-controlling interests arising on the acquisition of subsidiaries | 62,130 |  |  |  | 4,002 |
Issue of shares (note 26) |  |  | 57 |  |  |
Surplus on revaluation of hotel properties | 586 |  |  |  |  |
Share of other comprehensive expense of joint ventures | (3) |  |  |  |  |
Share-based compensation (note 31) |  |  | 914 |  |  |
Ending Balance | $ 63,155 |  | $ 2,514 |  | $ 3,248 |
[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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