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Accounts Payable and Accrued Expenses (Tables)
9 Months Ended
Sep. 30, 2015
Payables and Accruals [Abstract]  
Schedule of Accounts Payable and Accrued Expenses

Accounts payable and accrued expenses consist of the following (in thousands):

 

     September 30, 2015      December 31, 2014  

Accounts payable

   $ 22,340       $ 32,783   

Accrued salaries and bonuses

     188,800         231,390   

Accrued payroll taxes and benefits

     57,775         49,858   

Accrued professional liabilities

     28,431         19,718   

Accrued contingent consideration

     13,312         17,010   

Accrual for uncertain tax positions

     7,000         —     

Other accrued expenses

     33,986         29,899   
  

 

 

    

 

 

 
   $ 351,644       $ 380,658