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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, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Taxes [Abstract]      
U.S. operations $ (6,996) $ (1,286) $ (68)
Foreign operations 89,238 61,416 86,874
Income before income taxes $ 82,242 $ 60,130 $ 86,806