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Accounts Receivable
3 Months Ended
Mar. 31, 2015
Receivables [Abstract]  
Accounts Receivable
4. Accounts Receivable:

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

 

     March 31, 2015      December 31, 2014  

Gross accounts receivable

   $ 1,251,666       $ 1,200,958   

Allowance for contractual adjustments and uncollectibles

     (890,792      (848,767
  

 

 

    

 

 

 
$ 360,874    $ 352,191