Revenue - Professional Services Revenue (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2025	Jan. 31, 2024
Disaggregation of Revenue [Line Items]
Total professional services revenue		$ 98,782	$ 78,401	$ 280,333	$ 223,992
Prioritized engineering services
Disaggregation of Revenue [Line Items]
Total professional services revenue		5,698	7,125	26,008	20,225
Service fees
Disaggregation of Revenue [Line Items]
Total professional services revenue		7,405	876	14,028	5,566
Professional services
Disaggregation of Revenue [Line Items]
Total professional services revenue	[1]	$ 13,103	$ 8,001	$ 40,036	$ 25,791

[1] Including related party revenue of $5,804 for the nine months ended January 31, 2024.