Revenues (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2020
Contract with Customer, Liability, Current	$ 541,500	$ 213,900
Revenue from Contract with Customer, Excluding Assessed Tax	(47,791,666)	(38,448,033)	$ (28,406,365)
Contract with Customer, Liability, Revenue Recognized	213,900	139,100	$ 194,800
Commodity Contract Asset, Current	$ 17,200	$ 29,000