Leases - Future Minimum Lease Payments Under Non-Cancellable Leases (Details) - USD ($) $ in Thousands	Apr. 30, 2022	Apr. 30, 2021
Finance
2023	$ 43,734
2024	34,501
2025	23,492
2026	15,718
2027	9,308
Thereafter	4,688
Total lease payments	131,441
Less imputed interest	11,303
Finance lease obligations	120,138	$ 117,948
Operating
2023	44,730
2024	42,299
2025	31,526
2026	20,125
2027	10,836
Thereafter	18,924
Total lease payments	168,440
Less imputed interest	17,864
Total	$ 150,576