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Property, Plant And Equipment - Summary of Estimated Useful Lives of Property Plant and Equipment (Detail)
 12 Months Ended
Apr. 30, 2023
Computer equipment  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life measured as period of time, property, plant and equipment 5 years
Hotel properties  
Disclosure of detailed information about property, plant and equipment [line items]  
Description of useful life, property, plant and equipment Over the shorter of the useful life ranged 40-75 years and the remaining lease terms