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Basis of Presentation and Significant Accounting Policies (Schedule of Estimated Useful Life) (Details)
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12 Months Ended |
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Sep. 30, 2012
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Breeding Herd [Member] | Minimum [Member]
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| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 6 years |
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Breeding Herd [Member] | Maximum [Member]
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| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 7 years |
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Buildings [Member] | Minimum [Member]
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| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 10 years |
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Buildings [Member] | Maximum [Member]
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| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 40 years |
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Citrus Trees [Member]
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| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 25 years |
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Sugarcane Plantings [Member]
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| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 3 years |
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Equipment and other facilities [Member] | Minimum [Member]
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| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 3 years |
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Equipment and other facilities [Member] | Maximum [Member]
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| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 20 years |