Revenue - Professional Services Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2025	Oct. 31, 2024
Disaggregation of Revenue [Line Items]
Total professional services revenue	$ 75,147	$ 94,338	$ 145,408	$ 181,551
Prioritized engineering services
Disaggregation of Revenue [Line Items]
Total professional services revenue	3,941	9,661	12,604	20,310
Service fees
Disaggregation of Revenue [Line Items]
Total professional services revenue	964	3,515	2,261	6,623
Professional services
Disaggregation of Revenue [Line Items]
Total professional services revenue	$ 4,905	$ 13,176	$ 14,865	$ 26,933