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Acquisitions and Dispositions (Schedule of Purchase Consideration) (Details) - USD ($) |  | 9 Months Ended
--- | --- | ---
Dec. 02, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Business Acquisition [Line Items] |  |  |
Cash proceeds from sugarcane disposition |  | $ 283,211,000 |
Orange-Co Acquisition [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Cash proceeds from sugarcane disposition | $ 147,500,000 | 97,126,000 |
Total purchase consideration |  | 265,587,000 |
Orange-Co Acquisition [Member] | Line of Credit [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Liabilities incurred |  | 27,857,000 |
Orange-Co Acquisition [Member] | Term Loan [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Liabilities incurred |  | $ 140,604,000 |

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