Segment Information - Additional Information (Details) $ in Millions	12 Months Ended
	Apr. 30, 2023 USD ($) segment supplyChain	Apr. 30, 2022 USD ($)	Apr. 30, 2021 USD ($)
Segment Reporting Information [Line Items]
Number of major operating segments | segment	3
Number of supply chain process areas | supplyChain	8
International Customers
Segment Reporting Information [Line Items]
Total revenue | $	$ 23.9	$ 20.4	$ 16.7
International Customers | Total Revenues | Customer Concentration Risk
Segment Reporting Information [Line Items]
Percentage of total revenue	19.00%	16.00%	15.00%