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Financial Instruments - Summary of Maturity analysis for Nonderivative Financial Liabilities (Detail) - USD ($) $ in Thousands | Apr. 30, 2023 | Apr. 30, 2022
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Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Non-derivative financial liabilities, undiscounted cash flows | $ 125,902 | $ 4,304
Nonderivative Financial Liabilities Carrying Amount | $ 123,780 | $ 4,304
Accounts payable |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Nonderivative Financial Liabilities Effective Weighted Average Interest Rate | 0.00% | 0.00%
Non-derivative financial liabilities, undiscounted cash flows | $ 493 | $ 10
Nonderivative Financial Liabilities Carrying Amount | $ 493 | $ 10
Clients' monies held on trust |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Nonderivative Financial Liabilities Effective Weighted Average Interest Rate | 0.00% | 0.00%
Non-derivative financial liabilities, undiscounted cash flows | $ 428 | $ 847
Nonderivative Financial Liabilities Carrying Amount | $ 428 | $ 847
Other payables and accruals |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Nonderivative Financial Liabilities Effective Weighted Average Interest Rate | 0.00% | 0.00%
Non-derivative financial liabilities, undiscounted cash flows | $ 3,253 | $ 3,447
Nonderivative Financial Liabilities Carrying Amount | $ 3,253 | 3,447
Interest bearing bank borrowings |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Nonderivative Financial Liabilities Effective Weighted Average Interest Rate | 7.60% |
Non-derivative financial liabilities, undiscounted cash flows | $ 66,764 |
Nonderivative Financial Liabilities Carrying Amount | $ 65,803 |
Interest bearing amount due to a non-controlling shareholder |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Nonderivative Financial Liabilities Effective Weighted Average Interest Rate | 5.30% |
Non-derivative financial liabilities, undiscounted cash flows | $ 34,283 |
Nonderivative Financial Liabilities Carrying Amount | 33,122 |
Non-interest bearing amount due to a non-controlling shareholder |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 20,681 |
Nonderivative Financial Liabilities Carrying Amount | 20,681 |
On demand or less than 1 year |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 125,902 | 4,304
On demand or less than 1 year | Accounts payable |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 493 | 10
On demand or less than 1 year | Clients' monies held on trust |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 428 | 847
On demand or less than 1 year | Other payables and accruals |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 3,253 | $ 3,447
On demand or less than 1 year | Interest bearing bank borrowings |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 66,764 |
On demand or less than 1 year | Interest bearing amount due to a non-controlling shareholder |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 34,283 |
On demand or less than 1 year | Non-interest bearing amount due to a non-controlling shareholder |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Non-derivative financial liabilities, undiscounted cash flows | $ 20,681 |

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- Definition Nonderivative Financial Liabilities Carrying Amount + References No definition available. + Details
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- Definition Nonderivative Financial Liabilities Effective Weighted Average Interest Rate + References No definition available. + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of contractual undiscounted cash flows in relation to non-derivative financial liabilities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 39 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_39_a&doctype=Standard -URIDate 2022-03-24 + Details
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