Revenue Recognition - Additional Information (Detail) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Oct. 31, 2025	Apr. 30, 2025
Disaggregation of Revenue [Line Items]
Contract liabilities	$ 4,342	$ 6,073
Contract liability recognized as revenue percentage	100.00%	40.00%
Accounts receivable
Disaggregation of Revenue [Line Items]
Contract assets	$ 14,064	$ 12,693