Concentration of Risk (Details) - Customer Concentration Risk	3 Months Ended
	Jul. 31, 2024	Jul. 31, 2023
Customer receivables | Customer A
Concentration Risk [Line Items]
Concentration risk (as a percent)	28.90%	31.50%
Customer receivables | Customer B
Concentration Risk [Line Items]
Concentration risk (as a percent)	15.90%	23.40%
Sales revenue, gross | Customer A
Concentration Risk [Line Items]
Concentration risk (as a percent)	26.70%	28.20%
Sales revenue, gross | Customer B
Concentration Risk [Line Items]
Concentration risk (as a percent)	11.50%	14.00%