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Other Expense, Net (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Other Income and Expenses [Abstract]        
Accrual for loss contingency related to legal proceedings (Note 9) $ (71,776) $ 0 $ (181,776) $ (10,000)
Legal settlement 0 0 0 11,895
Gain on sale of a cost-method investment 0 0 3,591 0
Other expense, net (2,525) (936) (2,207) (2,622)
Total other expense, net $ (74,301) $ (936) $ (180,392) $ (727)