Annual report pursuant to Section 13 and 15(d)

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

v3.8.0.1
Long-Term Debt and Lines of Credit - Debt Refinancing (Details)
 12 Months Ended
Apr. 27, 2016
USD ($)
Sep. 17, 2015
USD ($)
Dec. 03, 2014
USD ($)
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Mar. 04, 2014
USD ($)
Sep. 30, 2017
USD ($)
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Oct. 31, 2017
USD ($)
Sep. 30, 2014
USD ($)
Debt Instrument [Line Items]                  
Interest rate term loans         $ 186,476,000 $ 197,219,000      
Capitalized amount of debt financing costs         1,767,000 1,980,000      
Deferred Financing Costs, Net         1,767,000 1,980,000      
Loss on extinguishment of debt         0 0 $ 1,051,000    
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         162,300,000        
Current ratio     1.50            
Debt to total assets ratio     0.625            
Limit on capital expenditures     $ 30,000,000            
Advances         65,770,000 $ 58,882,000 81,031,000    
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     38,200            
Farm and Ranch Land                  
Debt Instrument [Line Items]                  
Area of land (in acres) | a     5,762            
RLOC                  
Debt Instrument [Line Items]                  
Revolving line of credit     $ 25,000,000            
Annual commitment fee (as a percent)     0.25%            
Availability under line of credit         $ 25,000,000        
RLOC | 90 Day LIBOR                  
Debt Instrument [Line Items]                  
LIBOR spread     1.65%            
WCLC                  
Debt Instrument [Line Items]                  
Revolving line of credit     $ 70,000,000            
Variable interest rate         2.99% 2.27%      
Availability under line of credit         $ 59,700,000        
Outstanding balance         0        
Outstanding letters of credit         $ 10,300,000        
Capitalized amount of debt financing costs                 $ 78,000
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)     0.02%            
WCLC | One Month LIBOR | Maximum                  
Debt Instrument [Line Items]                  
LIBOR spread     0.25%            
Annual commitment fee (as a percent)     0.03%            
Letter of Credit                  
Debt Instrument [Line Items]                  
Capitalized amount of debt financing costs                 123,000
Terminated RLOC                  
Debt Instrument [Line Items]                  
Capitalized amount of debt financing costs                 2,834,000
Deferred Financing Costs, Net         $ 1,656,000 $ 1,965,000,000     $ 339,000
Metlife Term Loan | Citree                  
Debt Instrument [Line Items]                  
Revolving line of credit       $ 5,000,000          
Deferred Financing Costs, Net         49,000        
Interest rate 5.28% 5.30%   5.28%          
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   99,062,000 105,312,000      
Quarterly principal payments     $ 2,281,250            
Fixed interest rate     4.15%            
Prepayment amount of the fixed term loan     $ 8,750,000       $ 0    
Capitalized amount of debt financing costs         954,000 1,080,000      
Variable Interest Rate Term Loans                  
Debt Instrument [Line Items]                  
Interest rate term loans     $ 57,500,000   $ 49,594,000 $ 52,469,000      
LIBOR spread subject to adjustment period     2 years            
Variable interest rate         2.96% 2.25%      
Capitalized amount of debt financing costs         $ 439,000 $ 497,000      
Variable Interest Rate Term Loans | 90 Day LIBOR                  
Debt Instrument [Line Items]                  
LIBOR spread     1.65%            
Subsequent Event | WCLC                  
Debt Instrument [Line Items]                  
Outstanding letters of credit               $ 153,000