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Income Taxes (Schedule Of Net Income Before Income Taxes And Non-Controlling Interest) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Taxes [Abstract]      
U.S. operations $ (5,391) $ (2,080) $ 8,996
Foreign operations 86,874 59,279 882
Income before income taxes and non-controlling interest $ 81,483 $ 57,199 $ 9,878