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Share Capital And Treasury Shares - Schedule of Issued share capital (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Apr. 30, 2023 | Apr. 30, 2022 | Apr. 30, 2021
Disclosure of classes of share capital [line items] |  |  |
Issuance of shares | $ 229,186 |  | $ 173,698
Shares repurchases | 318,882 |  |
Acquisitions of subsidiaries |  |  | 12,727
Treasury shares [member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Shares repurchases | 318,882 |  |
Component Of Issued Capital [Member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Balance at Beginning |  |  | $ 1,000
Balance at Beginning, Shares |  |  | 10,000,000,000
Beginning Balance | 7 | $ 7 | $ 5
Issuance of shares | 1 |  | 2
Ending Balance | $ 8 | $ 7 | $ 7
Balance Beginning , Shares | 67,618,142 | 67,618,142 | 49,526,667
Issuance of shares, Shares | 8,960,000 |  | 17,350,000
Share-based compensation, Shares |  |  | 38,710
Shares repurchases, Shares | (616,346) |  |
Acquisitions of subsidiaries, Shares | 515,385 |  | 702,765
Balance ending , Shares | 76,477,181 | 67,618,142 | 67,618,142
Class A ordinary shares [member] | Component Of Issued Capital [Member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Balance at Beginning |  |  | $ 800
Balance at Beginning, Shares |  |  | 8,000,000,000
Beginning Balance |  | $ 4 | $ 1
Issuance of shares | $ 1 |  | 2
Transfer of shares |  | $ (4) | 1
Ending Balance | $ 1 |  | $ 4
Balance Beginning , Shares | 1,968,142 | 43,416,142 | 10,726,667
Issuance of shares, Shares | 8,960,000 |  | 17,350,000
Share-based compensation, Shares |  |  | 38,710
Acquisitions of subsidiaries, Shares |  |  | 702,765
Transfer of shares, Shares |  | (41,448,000) | 14,598,000
Balance ending , Shares | 10,928,142 | 1,968,142 | 43,416,142
Class B ordinary Shares [Member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Shares repurchases | $ 318,882 |  |
Shares repurchases, Shares | 616,346 |  |
Class B ordinary Shares [Member] | Component Of Issued Capital [Member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Balance at Beginning |  |  | $ 200
Balance at Beginning, Shares |  |  | 2,000,000,000
Beginning Balance | $ 7 | $ 3 | $ 4
Transfer of shares |  | 4 | (1)
Ending Balance | $ 7 | $ 7 | $ 3
Balance Beginning , Shares | 65,650,000 | 24,202,000 | 38,800,000
Shares repurchases, Shares | (616,346) |  |
Acquisitions of subsidiaries, Shares | 515,385 |  |
Transfer of shares, Shares |  | 41,448,000 | (14,598,000)
Balance ending , Shares | 65,549,039 | 65,650,000 | 24,202,000
Class B ordinary Shares [Member] | Component Of Issued Capital [Member] | Treasury shares [member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Shares repurchases | $ 318,882 |  |
Acquisitions of subsidiaries | (266,647) |  |
Ending Balance | $ 52,235 |  |
Shares repurchases, Shares | 616,346 |  |
Acquisitions of subsidiaries, Shares | (515,385) |  |
Balance ending , Shares | 100,961 |  |

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