Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Silver Nip Citrus Debt) (Details)

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Long-Term Debt (Silver Nip Citrus Debt) (Details) - Range [Domain]
9 Months Ended
Jun. 30, 2015
USD ($)
Mar. 31, 2015
USD ($)
Sep. 30, 2014
USD ($)
Sep. 04, 2014
a
Jun. 30, 2014
USD ($)
Debt Instrument [Line Items]          
Total long-term debt $ 206,580,000   $ 61,640,000    
Minimum current ratio 1.50        
Long-term Line of Credit $ 3,348,000   3,160,000    
Prudential Mortgage Capital Company, LLC fixed rate term loans (5.35%) [Member]          
Debt Instrument [Line Items]          
Total long-term debt 25,930,000 $ 25,930,000 $ 27,550,000   $ 27,550,000
Periodic principal payment 290,000        
Amount of prepayment without penalty $ 5,000,000        
Fixed interest rate 5.35%        
Prudential Mortgage Capital Company, LLC fixed rate term loan (3.85%) [Member]          
Debt Instrument [Line Items]          
Total long-term debt $ 5,445,000 $ 5,445,000      
Periodic principal payment $ 55,000        
Fixed interest rate 3.85% 3.85%      
Area of land acquired | a       1,500  
Prudential Mortgage Capital Company, LLC fixed rate term loan (3.45%) [Member]          
Debt Instrument [Line Items]          
Total long-term debt $ 5,445,000 $ 5,445,000      
Periodic principal payment $ 55,000        
Fixed interest rate 3.45% 3.45%      
Prudential Mortgage Capital Company, LLC revolving line of credit [Member]          
Debt Instrument [Line Items]          
Amount of credit facility $ 6,000,000 $ 6,000,000      
LIBOR spread 2.75%        
Minimum current ratio 2.00        
Long-term Line of Credit $ 3,348,000 $ 3,348,000 $ 3,160,000   $ 3,160,000