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Income Taxes (Deferred Tax Assets And (Liabilities) Included In Consolidated Balance Sheets) (Details) - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]    
Sundry $ 20.2 $ 21.4
Deferred income taxes (85.6) (83.0)
Net deferred tax (liability) asset $ (65.4) $ (61.6)