Leases - Lease Maturity Schedule (Details) - USD ($) $ in Thousands	Apr. 30, 2022	Apr. 30, 2021
Finance leases
2022	$ 7,235
2023	6,752
2024	5,494
2025	5,212
2026	5,196
Thereafter	77,677
Total minimum lease payments	107,566
Less amount representing interest	$ 33,332
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Other Liabilities	Other Liabilities
Present value of net minimum lease payments	$ 74,234	$ 14,085
Operating leases
2022	7,875
2023	7,616
2024	7,381
2025	7,255
2026	7,272
Thereafter	115,878
Total minimum lease payments	153,277
Less amount representing interest	50,726
Present value of net minimum lease payments	$ 102,551