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Investments (Tables) | 6 Months Ended
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Feb. 28, 2017
Investments [Abstract] |
Investment Holdings, Schedule of Investments [Table Text Block] |
| 2017 |  | 2016
| (Dollars in thousands)
Equity method investments: |  |  |
CF Industries Nitrogen, LLC | $ | 2,784,459 |  |  | $ | 2,796,323 |
Ventura Foods, LLC | 370,089 |  |  | 369,487 |
Ardent Mills, LLC | 202,671 |  |  | 194,986 |
TEMCO, LLC | 41,472 |  |  | 44,578 |
Other equity method investments | 273,540 |  |  | 263,025 |
Cost method investments | 130,148 |  |  | 127,577 |
Total investments | $ | 3,802,379 |  |  | $ | 3,795,976 |

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