Annual report pursuant to Section 13 and 15(d)

Long-Term Debt and Lines of Credit - Silver Nip Citrus Debt (Details)

v3.8.0.1
Long-Term Debt and Lines of Credit - Silver Nip Citrus Debt (Details)
12 Months Ended
Dec. 01, 2016
USD ($)
Apr. 28, 2015
USD ($)
Sep. 04, 2014
USD ($)
a
loan
Sep. 30, 2017
USD ($)
loan
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Feb. 15, 2015
USD ($)
Sep. 30, 2014
USD ($)
Debt Instrument [Line Items]                
Interest rate term loans       $ 186,476,000 $ 197,219,000      
Loss on extinguishment of debt       0 0 $ 1,051,000    
Deferred Financing Costs, Net       1,767,000 1,980,000      
Revolving Line Of Credit                
Debt Instrument [Line Items]                
Deferred Financing Costs, Net       1,656,000 1,965,000,000     $ 339,000
Pru Loans A & B                
Debt Instrument [Line Items]                
Interest rate term loans       23,030,000 24,190,000      
Pru Loan E                
Debt Instrument [Line Items]                
Interest rate term loans       4,895,000 5,115,000      
Pru Loan F                
Debt Instrument [Line Items]                
Interest rate term loans       $ 4,895,000 $ 5,115,000      
Silver Nip Citrus                
Debt Instrument [Line Items]                
Minimum current ratio (at least)       1.5        
Silver Nip Citrus | Prudential                
Debt Instrument [Line Items]                
Number of fixed rate term loans | loan     2          
Interest rate term loans     $ 5,500,000          
Quarterly principal payments     $ 55,000          
Silver Nip Citrus | Prudential | Revolving Line Of Credit                
Debt Instrument [Line Items]                
Revolving line of credit   $ 6,000,000            
Loss on extinguishment of debt   $ 87,000            
Silver Nip Citrus | Citrus Grove | Prudential                
Debt Instrument [Line Items]                
Area of land acquired (in acres) | a     1,500          
Silver Nip Citrus | Pru Loans A & B                
Debt Instrument [Line Items]                
Number of fixed rate term loans | loan       2        
Interest rate term loans       $ 27,550,000        
Fixed interest rate       5.35%        
Quarterly principal payments       $ 290,000        
Prepayment amount of the fixed term loan (up to)       5,000,000        
Amount of prepayment             $ 750,000  
Silver Nip Citrus | Pru Loan E                
Debt Instrument [Line Items]                
Fixed interest rate     3.85%          
Silver Nip Citrus | Pru Loan F                
Debt Instrument [Line Items]                
Fixed interest rate     3.45%          
Silver Nip Citrus | Silver Nip Citrus Debt                
Debt Instrument [Line Items]                
Deferred Financing Costs, Net       $ 325,000        
Silver Nip Citrus | Silver Nip Citrus Debt | Line of Credit                
Debt Instrument [Line Items]                
Limited guaranty $ 8,000,000              
Maximum | Silver Nip Citrus | Silver Nip Citrus Debt | Line of Credit                
Debt Instrument [Line Items]                
Consolidated current covenant ratio 1.50              
Minimum | Silver Nip Citrus | Silver Nip Citrus Debt | Line of Credit                
Debt Instrument [Line Items]                
Consolidated current covenant ratio 1.00