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Debt (Short-Term Debt And Current Portion Of Long-Term Debt) (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Debt Instrument [Line Items]    
Bank borrowings $ 247.8 $ 44.2
Long-term Debt, Current Maturities 495.4 67.4
Other 23.0 23.2
Total short-term debt and current portion of long-term debt 495.4 67.4
5.00% Notes due 2020 | Unsecured debt    
Debt Instrument [Line Items]    
Long-term Debt, Current Maturities $ 224.6 $ 0.0