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Commitments and Contingencies (Tables)
9 Months Ended
Jun. 30, 2012
Commitments and Contingencies [Abstract]  
Summary of our environmental reserve activity
         

Balance, September 30, 2011

   $         26,173    

Additions or adjustments

    -    

Expenditures

    (5,920)   
   

 

 

 

Balance, June 30, 2012

   $         20,253