Balance Sheet Components - Schedule of Amortization Expense For Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2023
Finite-Lived Intangible Assets [Line Items]
Total amortization of acquired intangible assets	$ 9,213	$ 14,496	$ 16,668
Cost of revenue | Subscription - self-managed and SaaS
Finite-Lived Intangible Assets [Line Items]
Total amortization of acquired intangible assets	9,213	12,353	11,781
Sales and marketing
Finite-Lived Intangible Assets [Line Items]
Total amortization of acquired intangible assets	$ 0	$ 2,143	$ 4,887