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Investments - Narrative (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Nov. 30, 2019 USD ($) | Nov. 30, 2018 USD ($) | Aug. 31, 2019 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |
Equity (income) loss from investments | $ (49,662) | $ (66,508) |
Cost Method Investments | 124,964 |  | $ 124,264
Investments | 3,713,201 |  | 3,683,996
CF Nitrogen LLC [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Payments to Acquire Equity Method Investments | $ 2,700,000 |  |
Ownership percentage | 10.00% |  |
Equity Method Investments | $ 2,743,776 |  | 2,708,942
Ventura Foods, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method Investments | 378,463 |  | 374,516
Ardent Mills LLC [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method Investments | 209,956 |  | $ 209,027
Nitrogen Production [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity (income) loss from investments | $ (34,834) | (40,915) |
Foods [Member] | Ventura Foods, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership percentage | 50.00% |  |
Corporate and Other |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity (income) loss from investments | $ (18,621) | (26,729) |
Corporate and Other | Ardent Mills LLC [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership percentage | 12.00% |  |
Number of parent companies | 3 |  |
Ag |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity (income) loss from investments | $ 4,157 | $ 1,209 |

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