Leases - Lease Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2023
Leases [Abstract]
Operating lease cost	$ 26,309	$ 10,174	$ 9,346
Amortization of right-of-use assets	10,275	10,417	5,882
Interest expense on lease liabilities	4,969	4,491	2,966
Operating cash flows required by operating leases	28,992	8,693	7,725
Operating cash flows required by finance leases	4,969	4,491	2,966
Financing cash flows required by finance leases	9,367	9,156	5,345
Right-of-use assets obtained in exchange for new finance lease liabilities	16,715	17,626	25,166
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 316,762	$ 14,646	$ 14,642