Segment Information - Schedule of Property and Equipment, Net of Depreciation (Details) - USD ($) $ in Thousands	Apr. 30, 2023	Apr. 30, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	$ 25,089	$ 32,644
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	13,476	22,112
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	2,797	4,478
INDIA
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	1,803	3,407
Rest of world
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	2,416	919
NETHERLANDS
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	$ 4,597	$ 1,728