Annual report pursuant to Section 13 and 15(d)

Property And Equipment, Net - Additional Information (Detail)

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Property And Equipment, Net - Additional Information (Detail) - USD ($)
12 Months Ended
Apr. 30, 2022
Apr. 30, 2021
Apr. 30, 2020
Property Plant And Equipment [Abstract]      
Depreciation expense for property and equipment $ 43,200,000 $ 42,600,000 $ 39,000,000.0