Basis of Presentation and Significant Accounting Policies (Schedule of Estimated Useful Life) (Details)	12 Months Ended
	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