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Revenue Recognition - Additional Information (Detail) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Jan. 31, 2024	Apr. 30, 2023
Disaggregation of Revenue [Line Items]
Contract liabilities	$ 10,248	$ 4,097
Contract liability recognized as revenue percentage	100.00%	100.00%
Accounts receivable
Disaggregation of Revenue [Line Items]
Contract assets	$ 10,466	$ 13,459
Other assets
Disaggregation of Revenue [Line Items]
Contract assets	$ 506	$ 1,191

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

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