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Income Taxes (Schedule Of Income Before Taxes) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]      
U.S. operations $ 296.4 $ 270.1 $ 63.5
Non-U.S. operations 115.0 97.4 100.6
Income before income taxes $ 411.4 $ 367.5 $ 164.1