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Accounts Receivable
6 Months Ended
Jun. 30, 2012
Accounts Receivable
  4. Accounts Receivable:

Accounts receivable, net consists of the following (in thousands):

 

     June 30,
2012
    December 31,
2011
 

Gross accounts receivable

   $ 858,016      $ 806,418   

Allowance for contractual adjustments and uncollectibles

     (617,096     (576,030
  

 

 

   

 

 

 
   $ 240,920      $ 230,388