Quarterly report pursuant to sections 13 or 15(d)

Property, Buildings and Equipment, Net (Schedule of Property, Buildings and Equipment) (Details)

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Property, Buildings and Equipment, Net (Schedule of Property, Buildings and Equipment) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Sep. 30, 2012
Property, Plant and Equipment [Line Items]    
Property, buildings and equipment, net $ 130,906 $ 122,834
Depreciable Assets [Member]
    
Property, Plant and Equipment [Line Items]    
Gross property, buildings and equipment 118,771 108,861
Less accumulated depreciation and depletion 68,314 65,220
Property, buildings and equipment, net 50,457 43,641
Breeding herd [Member]
    
Property, Plant and Equipment [Line Items]    
Gross property, buildings and equipment 12,878 10,062
Buildings [Member]
    
Property, Plant and Equipment [Line Items]    
Gross property, buildings and equipment 11,234 10,975
Citrus trees [Member]
    
Property, Plant and Equipment [Line Items]    
Gross property, buildings and equipment 33,667 33,164
Sugarcane [Member]
    
Property, Plant and Equipment [Line Items]    
Gross property, buildings and equipment 15,834 12,617
Equipment and Other Facilities [Member]
    
Property, Plant and Equipment [Line Items]    
Gross property, buildings and equipment 45,158 42,043
Land and Land Improvements [Member]
    
Property, Plant and Equipment [Line Items]    
Gross property, buildings and equipment $ 80,449 $ 79,193