Leases - Balance Sheet Information (Details) - USD ($) $ in Thousands	Apr. 30, 2024	Apr. 30, 2023
Operating leases
Right-of-use assets	$ 18,664	$ 17,572
Lease liabilities, current	3,226	2,339
Lease liabilities, non-current	55,599	37,320
Total operating lease liabilities	$ 58,825	$ 39,659
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other assets, non-current	Other assets, non-current
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued and other current liabilities	Accrued and other current liabilities
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other long-term liabilities	Other long-term liabilities