Investments - Schedule of Investments (Details) - USD ($) $ in Thousands	Aug. 31, 2022	Aug. 31, 2021
Schedule of Equity Method Investments [Line Items]
Other Investments	$ 126,730	$ 128,816
Investments	3,728,006	3,669,111
CF Industries Nitrogen, LLC
Schedule of Equity Method Investments [Line Items]
Equity method investments	2,641,604	2,667,164
Ventura Foods, LLC
Schedule of Equity Method Investments [Line Items]
Equity method investments	410,093	388,612
Ardent Mills, LLC
Schedule of Equity Method Investments [Line Items]
Equity method investments	250,857	220,132
TEMCO
Schedule of Equity Method Investments [Line Items]
Equity method investments	32,809	31,464
Other equity method investments
Schedule of Equity Method Investments [Line Items]
Equity method investments	$ 265,913	$ 232,923