Interests in Joint Ventures - Summary of Detailed Information About Particulars of Joint Ventures (Detail) - DHI Holdings (S) Pte Ltd.	12 Months Ended
Apr. 30, 2023
Disclosure of joint ventures [line items]
Place of incorporation/ registration and business	Singapore
Percentage of ownership interest voting power and profit sharing in joint venture	51.00%
Principal activity	Hotel operations, hospitality and VIP services in Singapore

The country in which a joint venture of the entity is incorporated. [Refer: Joint ventures [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2022-03-24
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-IssueDate 2022-03-24
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