Annual report pursuant to Section 13 and 15(d)

Debt - Debt Refinancing (Details)

v3.3.1.900
Debt - Debt Refinancing (Details)
 12 Months Ended
Mar. 01, 2016
USD ($)
Sep. 17, 2015
USD ($)
Dec. 03, 2014
USD ($)
a
Dec. 02, 2014
USD ($)
Mar. 04, 2014
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2014
USD ($)
Sep. 30, 2013
USD ($)
Debt Instrument [Line Items]                
Interest rate term loans           $ 205,881,000 $ 61,640,000  
Outstanding balance           0 3,160,000  
Capitalized amount of debt financing costs     $ 2,834,000          
Deferred financing costs           2,543,000    
Loss on extinguishment of debt           1,051,000 0 $ 0
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          
Advances           81,173,000 0 $ 5,661,000
Other Income (Expense), Net                
Debt Instrument [Line Items]                
Loss on extinguishment of debt           1,051,000    
Citrus Groves                
Debt Instrument [Line Items]                
Area of land (in acres) | a     39,300          
Farmland                
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    
Outstanding balance           0 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           1.95%    
Availability under line of credit           $ 52,501,500    
Outstanding letters of credit           17,498,500    
Outstanding balance           $ 0 0  
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%          
Old RLOC                
Debt Instrument [Line Items]                
Revolving line of credit       $ 60,000,000        
Outstanding balance             $ 0  
Deferred financing costs           $ 318,000    
Old RLOC | LIBOR                
Debt Instrument [Line Items]                
Annual commitment fee (as a percent)       0.20%        
Old RLOC | One Month LIBOR                
Debt Instrument [Line Items]                
LIBOR spread     1.95%       1.95%  
Old RLOC | One Month LIBOR | Minimum                
Debt Instrument [Line Items]                
LIBOR spread       1.95%        
Old RLOC | One Month LIBOR | Maximum                
Debt Instrument [Line Items]                
LIBOR spread       2.95%        
Metlife Term Loan | Citree                
Debt Instrument [Line Items]                
Revolving line of credit         $ 5,000,000      
Deferred financing costs           57,000    
Interest rate   5.30%     5.49%      
Advances   $ 2,000,000     $ 500,000      
Metlife Term Loan | Citree | Scenario, Forecast                
Debt Instrument [Line Items]                
Advances $ 2,500,000              
Metropolitan Life Insurance Company and New England Life Insurance Company fixed rate term loans in the original principal amount of $125,000,000: the loans bear interest at the rate of 4.15% per annum as of September 30,2015. The loans are collateralized by real estate and mature in November 2029.                
Debt Instrument [Line Items]                
Interest rate term loans     $ 125,000,000     $ 111,563,000 $ 0  
Quarterly principal payments     $ 2,281,250          
Fixed interest rate     4.15%     4.15%    
Prepayment amount of the fixed term loan     $ 8,750,000          
Metropolitan Life Insurance Company and New England Life Insurance Company variable rate term loans in the original principal amounts of $57,500,000: the variable interest rate was approximately 1.80% per annum as of September 30, 2015. The loans are collateralized by real estate and mature in November 2029.                
Debt Instrument [Line Items]                
Interest rate term loans     $ 57,500,000 $ 33,500,000   $ 55,344,000 $ 0  
Quarterly principal payments       $ 500,000        
LIBOR spread subject to adjustment period     2 years          
Variable interest rate           1.80% 2.40%  
Metropolitan Life Insurance Company and New England Life Insurance Company variable rate term loans in the original principal amounts of $57,500,000: the variable interest rate was approximately 1.80% per annum as of September 30, 2015. The loans are collateralized by real estate and mature in November 2029. | 90 Day LIBOR                
Debt Instrument [Line Items]                
LIBOR spread     1.50%          
Metropolitan Life Insurance Company and New England Life Insurance Company variable rate term loans in the original principal amounts of $57,500,000: the variable interest rate was approximately 1.80% per annum as of September 30, 2015. The loans are collateralized by real estate and mature in November 2029. | One Month LIBOR                
Debt Instrument [Line Items]                
LIBOR spread       2.25%