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

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration