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Investments - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
Investments - Narrative (Details) - USD ($) $ in Thousands	Nov. 30, 2022	Nov. 30, 2021	Aug. 31, 2022
Schedule of Equity Method Investments [Line Items]
Equity income from investments	$ (181,962)	$ (151,345)
Investments	3,890,624		$ 3,728,006
Investment Company, Distributable Earnings	$ 680,100
CF Nitrogen LLC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage	8.00%
Equity Method Investments	$ 2,769,170		2,641,604
Ventura Foods, LLC
Schedule of Equity Method Investments [Line Items]
Ownership percentage	50.00%
Equity Method Investments	$ 427,343		410,093
TEMCO, LLC
Schedule of Equity Method Investments [Line Items]
Ownership percentage	50.00%
Equity Method Investments	$ 44,091		32,809
Ardent Mills LLC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage	12.00%
Equity Method Investments	$ 255,106		$ 250,857
Nitrogen Production [Member]
Schedule of Equity Method Investments [Line Items]
Equity income from investments	(127,566)	(116,473)
Corporate and Other
Schedule of Equity Method Investments [Line Items]
Equity income from investments	(34,866)	(14,038)
Ag
Schedule of Equity Method Investments [Line Items]
Equity income from investments	$ (23,062)	$ (19,734)