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Goodwill And Other Intangible Assets (Schedule Of Changes In The Carrying Value Of Goodwill) (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Deferred Tax Liabilities, Goodwill and Intangible Assets [Abstract]    
Balance as of December 31, 2013 $ 496,810 $ 495,944
Currency translation effect (453)  
Balance as of September 30, 2014 $ 495,944 $ 495,944