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SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS
 12 Months Ended
Dec. 31, 2012
SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS

(amounts in thousands)

 

Description

    Balance at
beginning
of period		      Charges to
costs and
expenses		      Acquisitions
of business		      Write-off of
uncollectible
accounts		     Balance
at end
of period		  

Allowance for doubtful accounts receivable:

              

Year ended December 31, 2012

    $ 253,405       $ 726,671       $ 5,632      $ (674,321 )    $ 311,387   
  

 

 

     

 

 

     

 

 

     

 

 

    

 

 

  

Year ended December 31, 2011

    $ 248,622       $ 613,619       $ —        $ (608,836 )    $ 253,405   
  

 

 

     

 

 

     

 

 

     

 

 

    

 

 

  

Year ended December 31, 2010

    $ 168,876       $ 546,909       $ 56,596       $ (523,759 )    $ 248,622   
  

 

 

     

 

 

     

 

 

     

 

 

    

 

 

  

Included in the charges to costs and expenses are $17,043 in 2011 and $17,823 in 2010, related to facilities that were divested or recorded as held for sale during 2012.