Leases - Balance Sheet Information (Details) - USD ($) $ in Thousands	Apr. 30, 2025	Apr. 30, 2024
Operating leases
Right-of-use assets	$ 19,321	$ 18,664
Lease liabilities, current	4,795	3,226
Lease liabilities, non-current	55,495	55,599
Total operating lease liabilities	$ 60,290	$ 58,825
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