Revenue - Professional Services Revenue (Details) - USD ($) $ in Thousands		12 Months Ended
		Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2023
Disaggregation of Revenue [Line Items]
Total revenue		$ 389,056	$ 310,582	$ 266,795
Professional services
Disaggregation of Revenue [Line Items]
Total revenue	[1]	61,426	32,478	36,352
Prioritized engineering services
Disaggregation of Revenue [Line Items]
Total revenue		43,032	25,972	29,087
Service fees
Disaggregation of Revenue [Line Items]
Total revenue		$ 18,394	$ 6,506	$ 7,265

[1] Including related party revenue of $5,804 and $16,774 for the fiscal years ended April 30, 2024 and 2023, respectively.