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Accrued Expenses And Other Liabilities (Tables)
12 Months Ended
Dec. 31, 2011
Accrued Expenses And Other Liabilities [Abstract]  
Schedule Of Accrued Expenses And Other Liabilities
     December 31,  
     2010      2011  

Income taxes payable

   $ 54,794       $ 72,673   

Accrued products and licenses costs

     28,341         27,582   

Current deferred tax liability, net

     8,679         6,362   

Marketing expenses payable

     7,564         11,834   

Legal accrual

     19,445         21,978   

Purchase commitment to subcontractors

     5,415         6,815   

Accrued expenses

     24,125         30,608   
  

 

 

    

 

 

 
   $ 148,363       $ 177,852