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
Dec. 31, 2012
Sep. 30, 2012
Property, Plant and Equipment [Line Items]    
Property, buildings and equipment, net $ 128,577 $ 122,834
Depreciable Assets [Member]
    
Property, Plant and Equipment [Line Items]    
Gross property, buildings and equipment 115,612 108,861
Less accumulated depreciation and depletion 66,999 65,220
Property, buildings and equipment, net 48,613 43,641
Breeding herd [Member]
    
Property, Plant and Equipment [Line Items]    
Gross property, buildings and equipment 11,728 10,062
Buildings [Member]
    
Property, Plant and Equipment [Line Items]    
Gross property, buildings and equipment 10,982 10,975
Citrus trees [Member]
    
Property, Plant and Equipment [Line Items]    
Gross property, buildings and equipment 33,390 33,164
Sugarcane [Member]
    
Property, Plant and Equipment [Line Items]    
Gross property, buildings and equipment 15,944 12,617
Equipment and Other Facilities [Member]
    
Property, Plant and Equipment [Line Items]    
Gross property, buildings and equipment 43,568 42,043
Land and Land Improvements [Member]
    
Property, Plant and Equipment [Line Items]    
Gross property, buildings and equipment $ 79,964 $ 79,193