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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Jul. 31, 2020	Oct. 31, 2021	Oct. 31, 2020
Income Tax Disclosure [Abstract]
Income tax (benefit) provision	$ 26,145	$ 12,877	$ (8,700)	$ 50,024	$ 4,205
Income tax (benefit) provision tax rate	25.50%	31.40%		24.70%	294.50%
Pre-tax loss	$ (102,477)	$ (40,955)	$ 39,500	$ (202,753)	$ (1,428)

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