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Accrued Expenses And Other Liabilities (Schedule Of Accrued Expenses And Other Liabilities) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Accrued Expenses And Other Liabilities [Abstract]    
Income taxes payable $ 72,673 $ 54,794
Accrued products and licenses costs 27,582 28,341
Current deferred tax liability, net 6,362 8,679
Marketing expenses payable 11,834 7,564
Legal accrual 21,978 19,445
Purchase commitment to subcontractors 6,815 5,415
Accrued expenses 30,608 24,125
Accrued expenses and other liabilities total $ 177,852 $ 148,363