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Other Liabilities (Schedule Of Other Liabilities) (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Other Liabilities [Abstract]    
Environmental $ 36.0 $ 22.3
Operating Lease, Liability, Noncurrent 91.5  
Other 60.4 62.3
Other liabilities $ 187.9 $ 84.6