Leases - Summary of Maturities of Lease Liabilities (Detail) - USD ($) $ in Thousands	Apr. 30, 2024	Apr. 30, 2023
Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract]
Lessee, Operating Lease, Liability, to be Paid, Year One	$ 43,068
Lessee, Operating Lease, Liability, to be Paid, Year Two	38,239
Lessee, Operating Lease, Liability, to be Paid, Year Three	29,082
Lessee, Operating Lease, Liability, to be Paid, Year Four	22,235
Lessee, Operating Lease, Liability, to be Paid, Year Five	17,808
Lessee, Operating Lease, Liability, to be Paid, after Year Five	83,049
Lessee, Operating Lease, Liability, to be Paid, Total	233,481
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	53,901
Operating Lease, Liability	179,580
Finance Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract]
Finance Lease, Liability, to be Paid, Year One	1,580
Finance Lease, Liability, to be Paid, Year Two	1,209
Finance Lease, Liability, to be Paid, Year Three	751
Finance Lease, Liability, to be Paid, Year Four	504
Finance Lease, Liability, to be Paid, Year Five	12
Finance Lease, Liability, to be Paid, after Year Five	0
Finance Lease, Liability, to be Paid, Total	4,056
Finance Lease, Liability, Undiscounted Excess Amount	316
Finance Lease, Liability	$ 3,740	$ 4,425