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Long-Term Debt (Tables)
9 Months Ended
Jun. 30, 2015
Debt Disclosure [Abstract]  
Long-term debt

    June 30,   September 30,
    2015   2014
Revolving credit (uncollateralized)   $ 8,679       10,363  
5.6% to 7.9% mortgage notes                
  due in installments through 2027     41,196       45,593  
      49,875       55,956  
Less portion due within one year     4,114       4,534  
    $ 45,761       51,422