Annual report pursuant to Section 13 and 15(d)

Long-Term Debt and Lines of Credit - Debt Refinancing (Details)

v3.5.0.2
Long-Term Debt and Lines of Credit - Debt Refinancing (Details)
 12 Months Ended
Apr. 27, 2016
USD ($)
Sep. 17, 2015
USD ($)
Apr. 28, 2015
USD ($)
Dec. 03, 2014
USD ($)
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Dec. 02, 2014
USD ($)
Mar. 04, 2014
USD ($)
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2014
USD ($)
Sep. 30, 2010
USD ($)
Debt Instrument [Line Items]                    
Interest rate term loans             $ 197,219,000 $ 205,481,000    
Outstanding balance             5,000,000 0    
Capitalized amount of debt financing costs       $ 2,834,000            
Deferred financing costs             2,000,000      
Loss on extinguishment of debt             0 1,051,000 $ 0  
Minimum debt service coverage ratio       1.10            
Tangible net worth       $ 160,000,000            
Percentage of consolidated net income       10.00%            
Annual increase of tangible net worth             161,600,000      
Current ratio       1.50            
Debt to total assets ratio       0.625            
Limit on capital expenditures       $ 30,000,000            
Advances             58,882,000 81,031,000 3,641,000  
Other Income (Expense)                    
Debt Instrument [Line Items]                    
Loss on extinguishment of debt               964,000    
Citrus Groves                    
Debt Instrument [Line Items]                    
Area of land (in acres) | a       39,300            
Farm and Ranch Land                    
Debt Instrument [Line Items]                    
Area of land (in acres) | a       14,000            
RLOC                    
Debt Instrument [Line Items]                    
Revolving line of credit       $ 25,000,000     25,000,000      
Availability under line of credit             20,000,000      
Outstanding balance             5,000,000 $ 0    
RLOC | 90 Day LIBOR                    
Debt Instrument [Line Items]                    
LIBOR spread       1.50%            
RLOC | LIBOR                    
Debt Instrument [Line Items]                    
Annual commitment fee (as a percent)       0.25%            
WCLC                    
Debt Instrument [Line Items]                    
Revolving line of credit       $ 70,000,000     $ 70,000,000      
Variable interest rate             2.27% 1.95%    
Availability under line of credit             $ 59,800,000      
Outstanding letters of credit             10,200,000      
Outstanding balance             $ 0 $ 0    
Capitalized amount of debt financing costs                   $ 78,000
WCLC | Silver Nip Citrus                    
Debt Instrument [Line Items]                    
Limited guaranty and security agreement               8,000,000    
WCLC | Letter of Credit                    
Debt Instrument [Line Items]                    
Revolving line of credit       $ 20,000,000            
WCLC | One Month LIBOR                    
Debt Instrument [Line Items]                    
LIBOR spread             1.75%      
WCLC | One Month LIBOR | Minimum                    
Debt Instrument [Line Items]                    
LIBOR spread       1.75%            
Annual commitment fee (as a percent)       0.20%            
WCLC | One Month LIBOR | Maximum                    
Debt Instrument [Line Items]                    
LIBOR spread       2.50%            
Annual commitment fee (as a percent)       0.30%            
Terminated RLOC                    
Debt Instrument [Line Items]                    
Revolving line of credit         $ 60,000,000          
Outstanding balance                 $ 0  
Deferred financing costs             $ 339,000      
Terminated RLOC | Silver Nip Citrus                    
Debt Instrument [Line Items]                    
Revolving line of credit     $ 6,000,000              
Loss on extinguishment of debt     $ 87,000              
Terminated RLOC | LIBOR                    
Debt Instrument [Line Items]                    
Annual commitment fee (as a percent)         0.20%          
Terminated RLOC | One Month LIBOR                    
Debt Instrument [Line Items]                    
LIBOR spread       1.95%            
Terminated RLOC | One Month LIBOR | Minimum                    
Debt Instrument [Line Items]                    
LIBOR spread         1.95%          
Terminated RLOC | One Month LIBOR | Maximum                    
Debt Instrument [Line Items]                    
LIBOR spread         2.95%          
Letter of Credit                    
Debt Instrument [Line Items]                    
Capitalized amount of debt financing costs                   $ 123,000
Metlife Term Loan | Citree                    
Debt Instrument [Line Items]                    
Revolving line of credit           $ 5,000,000        
Deferred financing costs             53,000      
Interest rate 5.28% 5.30%       5.49%        
Advances $ 2,500,000 $ 2,000,000       $ 500,000        
Fixed Interest Rate Term Loans                    
Debt Instrument [Line Items]                    
Interest rate term loans       $ 125,000,000     $ 105,312,000 111,563,000    
Quarterly principal payments       $ 2,281,250            
Fixed interest rate       4.15%     4.15%      
Prepayment amount of the fixed term loan       $ 8,750,000     $ 0      
Fixed Interest Rate Term Loans | Silver Nip Citrus                    
Debt Instrument [Line Items]                    
Interest rate term loans             27,550,000      
Quarterly principal payments             $ 290,000      
Fixed interest rate             5.35%      
Prepayment amount of the fixed term loan             $ 5,000,000      
Variable Interest Rate Term Loans                    
Debt Instrument [Line Items]                    
Interest rate term loans       $ 57,500,000 $ 33,500,000   $ 52,469,000 $ 55,344,000    
Quarterly principal payments         $ 500,000          
LIBOR spread subject to adjustment period       2 years            
Variable interest rate             2.25% 1.80% 2.40%  
Variable Interest Rate Term Loans | 90 Day LIBOR                    
Debt Instrument [Line Items]                    
LIBOR spread       1.50%            
Variable Interest Rate Term Loans | One Month LIBOR                    
Debt Instrument [Line Items]                    
LIBOR spread         2.25%