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Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Capital expenditures incurred but not yet paid $ 9.0 $ 9.1  
Other Current Assets [Member]      
Restricted Cash 0.8 0.9 $ 0.9
Other Assets [Member]      
Restricted Cash $ 6.3 $ 7.1 $ 6.9