Leases, Lease Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2021
Leases [Abstract]
Operating Lease, Cost	$ 40,093	$ 35,111	$ 32,752
Finance lease expense:
Amortization of assets	16,574	13,302	13,050
Interest on lease liabilities	3,642	2,105	2,213
Total finance lease expense	20,216	15,407	15,263
Variable and short-term lease expense	20,810	20,856	20,096
Total lease expense	$ 81,119	$ 71,374	$ 68,111