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
Jun. 30, 2013
Sep. 30, 2012
Property, Plant and Equipment [Line Items]    
Net property, buildings and equipment $ 132,248 $ 122,834
Depreciable Assets [Member]
    
Property, Plant and Equipment [Line Items]    
Gross property, buildings and equipment 120,602 108,861
Less accumulated depreciation and depletion (70,101) (65,220)
Net property, buildings and equipment 50,501 43,641
Breeding herd [Member]
    
Property, Plant and Equipment [Line Items]    
Gross property, buildings and equipment 12,943 10,062
Buildings [Member]
    
Property, Plant and Equipment [Line Items]    
Gross property, buildings and equipment 11,594 10,975
Citrus trees [Member]
    
Property, Plant and Equipment [Line Items]    
Gross property, buildings and equipment 33,955 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 46,276 42,043
Land and Land Improvements [Member]
    
Property, Plant and Equipment [Line Items]    
Gross property, buildings and equipment $ 81,747 $ 79,193