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Property and Equipment (Tables)
6 Months Ended
Mar. 31, 2014
Property and Equipment

Depreciation is computed over the estimated useful lives of the depreciable assets using the straight-line method (in thousands):

 

     March 31, 2014      September 30, 2013  

Property and equipment

   $ 191,174       $ 170,462   

Less: accumulated depreciation

     122,178         119,139   
  

 

 

    

 

 

 

Property and equipment, net

   $ 68,996       $ 51,323