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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, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Taxes [Abstract]      
U.S. operations $ (6,203) $ (3,215) $ (3,408)
Foreign operations 61,416 86,874 59,279
Income before income taxes $ 55,213 $ 83,659 $ 55,871