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Income Taxes (Schedule Of Domestic And Foreign Components Of Income (Loss)) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income Taxes [Abstract]      
Domestic $ (17,017) $ (8,496) $ (17,168)
Foreign 47,287 34,873 30,374
Income before provision for income tax $ 30,270 $ 26,377 $ 13,206