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Other Liabilities (Tables)
 12 Months Ended
Dec. 31, 2018
Other Liabilities [Abstract]  
Schedule Of Other Liabilities
(in millions) December 31,
 
2018
 
2017
Environmental
 
$
22.3

 
$
31.9

Other
 
62.3

 
75.8

 
 
$
84.6

 
$
107.7