Revenue - Customer Concentration and Accounts Receivable (Details) - Customer Concentration Risk	12 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2023
Revenue | Customer One
Disaggregation of Revenue [Line Items]
Customer concentration risk, percentage	19.00%	27.00%	35.00%
Revenue | Customer Two
Disaggregation of Revenue [Line Items]
Customer concentration risk, percentage	12.00%	14.00%
Accounts Receivable | Customer One
Disaggregation of Revenue [Line Items]
Customer concentration risk, percentage	15.00%	25.00%
Accounts Receivable | Customer Two
Disaggregation of Revenue [Line Items]
Customer concentration risk, percentage	14.00%	16.00%
Accounts Receivable | Customer Three
Disaggregation of Revenue [Line Items]
Customer concentration risk, percentage	12.00%