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Acquisition and Dispositions - Sugarcane Land (Details) $ in Thousands |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Nov. 21, 2014 USD ($) a | May 31, 2016 USD ($) | May 31, 2015 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($) | Sep. 30, 2015 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Deferred gain |  |  |  | $ 28,436 |  | $ 28,436 |  | $ 29,122
Net gain on sale |  |  |  | (284) | $ 1 | 618 | $ 13,471 |
Property Subject to Operating Lease |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Payments for sales contract |  | $ 1,702 | $ 1,347 |  |  |  |  |
Interest expense recognized |  |  |  | 355 |  | 1,051 |  |
Deferred gain recognized |  |  |  | (284) |  | 618 |  |
Property Subject to Operating Lease | Prepaid Expenses and Other Current Assets |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Portion of payment included in prepaid expenses and other current assets |  |  |  | $ 1,587 |  | $ 1,587 |  |
Global |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Area of land used (in acres) | a | 36,000 |  |  |  |  |  |  |
Cash received from sale of land | $ 97,900 |  |  |  |  |  |  |
Net cash proceeds | $ 97,126 |  |  |  |  |  |  |
Post-closing adjustment period | 10 years |  |  |  |  |  |  |
Gain on sale | $ 42,753 |  |  |  |  |  |  |
Deferred gain | $ 29,140 |  |  |  |  |  |  |
Global | Other Income (Expense) |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Net gain on sale |  |  |  |  |  |  | $ 13,613 |
Global | Property Subject to Operating Lease |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Area of land used (in acres) | a | 30,600 |  |  |  |  |  |  |

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