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Accounts Payable And Accrued Expenses
9 Months Ended
Sep. 30, 2011
Accounts Payable And Accrued Expenses [Abstract] 
Accounts Payable And Accrued Expenses
7. Accounts Payable and Accrued Expenses:

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

 

     September 30, 2011      December 31, 2010  

Accounts payable

    $ 9,835       $ 9,581   

Accrued salaries and bonuses

      114,014         132,221   

Accrued payroll taxes and benefits

      31,018         26,122   

Accrued professional liabilities

      11,688         11,876   

Accrual for uncertain tax positions

      10,452         10,948   

Other accrued expenses

      23,062         17,189   
  

 

 

     

 

 

  
   $ 200,069       $ 207,937   
  

 

 

     

 

 

  

The net decrease in accrued salaries and bonuses of $18.2 million, from $132.2 million at December 31, 2010 to $114.0 million at September 30, 2011, is primarily due to the payment of performance-based incentive compensation during the first quarter of 2011, partially offset by performance-based incentive compensation accrued during the nine months ended September 30, 2011. A majority of the Company's payments for performance-based incentive compensation is paid annually in the first quarter.