Other Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Aug. 31, 2022	Aug. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	$ 96,467	$ 94,990
Accumulated Amortization	(43,302)	(36,595)
Net	53,165	58,395
Customer lists
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	84,565	84,565
Accumulated Amortization	(35,280)	(29,254)
Net	49,285	55,311
Trademarks and other intangible assets
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	11,902	10,425
Accumulated Amortization	(8,022)	(7,341)
Net	$ 3,880	$ 3,084