Concentration of Risk (Details) - Customer Concentration Risk	3 Months Ended		6 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2023	Oct. 31, 2022
Customer receivables | Customer A
Concentration Risk [Line Items]
Concentration risk (as a percent)			32.30%	31.70%
Customer receivables | Customer B
Concentration Risk [Line Items]
Concentration risk (as a percent)			18.40%	17.50%
Sales revenue, gross | Customer A
Concentration Risk [Line Items]
Concentration risk (as a percent)	27.90%	28.90%	28.10%	29.60%
Sales revenue, gross | Customer B
Concentration Risk [Line Items]
Concentration risk (as a percent)	13.00%	13.40%	13.50%	13.80%