Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2022
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$ 64,117	$ 56,269	$ 48,283
Operating cash flows from finance leases	7,988	7,187	8,179
Financing cash flows from finance leases	41,786	35,845	31,365
Right-of-use assets obtained in exchange for lease obligations
Operating leases	112,618	73,083	71,252
Finance leases	$ 77,495	$ 59,720	$ 41,699