Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
Long-Term Debt and Lines of Credit - Debt Refinancing (Details)
 9 Months Ended 12 Months Ended
Dec. 03, 2014
USD ($)
Jun. 30, 2017
USD ($)
a
Sep. 30, 2017
USD ($)
Dec. 01, 2016
USD ($)
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Feb. 28, 2015
USD ($)
Debt Instrument [Line Items]              
Interest rate term loans   $ 189,158,000     $ 197,219,000    
Minimum debt service coverage ratio 1.10            
Tangible net worth $ 160,000,000            
Percentage of consolidated net income 10.00%            
Minimum current ratio 1.50            
Debt to total assets ratio 0.625            
Limit on capital expenditures $ 30,000,000            
Silver Nip Citrus              
Debt Instrument [Line Items]              
Minimum current ratio       1.5      
Citrus Groves              
Debt Instrument [Line Items]              
Area of land (in acres) | a   38,200          
Farm and Ranch Land              
Debt Instrument [Line Items]              
Area of land (in acres) | a   5,762          
Loans Payable | Silver Nip Citrus              
Debt Instrument [Line Items]              
Interest rate term loans             $ 7,000,000
Limited guaranty and security agreement       $ 8,000,000 $ 8,000,000   $ 7,000,000
RLOC              
Debt Instrument [Line Items]              
Revolving line of credit $ 25,000,000            
Availability under line of credit   $ 25,000,000          
RLOC | 90 Day LIBOR              
Debt Instrument [Line Items]              
LIBOR spread 1.65%            
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            
Variable interest rate (as a percentage)   2.80%     2.27%    
Availability under line of credit   $ 59,700,000          
WCLC | Letter of Credit              
Debt Instrument [Line Items]              
Revolving line of credit $ 20,000,000            
Outstanding letters of credit   $ 10,300,000          
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% 0.20%          
WCLC | One Month LIBOR | Maximum              
Debt Instrument [Line Items]              
LIBOR spread 2.50%            
Annual commitment fee (as a percent) 0.30%            
Metlife Term Loan | Citree              
Debt Instrument [Line Items]              
Revolving line of credit   $ 5,000,000          
Interest rate   5.28%          
Fixed Interest Rate Term Loans              
Debt Instrument [Line Items]              
Interest rate term loans $ 125,000,000 $ 100,625,000     $ 105,312,000    
Quarterly principal payments $ 2,281,250            
Fixed interest rate (as a percentage) 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 (as a percentage)   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 $ 50,313,000     $ 52,469,000    
LIBOR spread subject to adjustment period 2 years            
Variable interest rate (as a percentage)   2.82%     2.25%    
Variable Interest Rate Term Loans | 90 Day LIBOR              
Debt Instrument [Line Items]              
LIBOR spread 1.65%            
Scenario, Forecast              
Debt Instrument [Line Items]              
Annual increase of tangible net worth     $ 162,300,000