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Goodwill and Intangible Assets
12 Months Ended
Sep. 30, 2011
Goodwill and Intangible Assets [Abstract] 
Goodwill and Intangible Assets
Note 11 — Goodwill and Intangible Assets
The Partnership’s goodwill and intangible assets comprise the following at September 30:
                 
    2011     2010  
Subject to amortization:
               
Customer relationships and noncompete agreements
  $ 77,213     $ 65,203  
Accumulated amortization
    (35,671 )     (27,613 )
 
           
 
  $ 41,542     $ 37,590  
 
           
 
               
Not Subject to amortization:
               
Goodwill
  $ 691,910     $ 678,721  
 
           
Changes in the carrying amount of goodwill are as follows:
         
Balance September 30, 2009
  $ 665,663  
Goodwill acquired
    12,930  
Purchase accounting adjustments
    128  
 
     
Balance September 30, 2010
    678,721  
Goodwill acquired
    13,053  
Purchase accounting adjustments
    136  
 
     
Balance September 30, 2011
  $ 691,910  
 
     
Amortization expense of intangible assets was $8,055 in Fiscal 2011, $6,016 in Fiscal 2010 and $5,237 in Fiscal 2009. Estimated amortization expense of intangible assets during the next five fiscal years is as follows: Fiscal 2012 — $8,865; Fiscal 2013 — $8,281; Fiscal 2014 — $7,302; Fiscal 2015 — $5,298; Fiscal 2016 — $4,325. There were no accumulated impairment losses at September 30, 2011.