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Asset Divestiture (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Net proceeds from divested assets   $ 70.9  
Gain (Loss) on Disposition of Assets $ 0.0 (24.0) $ 0.0
Finite-Lived Intangible Assets, Written off Related to Assets Divested   (0.9)  
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment   26.8  
Disposal Group, Including Discontinued Operation, Inventory   3.4  
Other Assets [Member]      
Escrow Deposit $ 1.4 $ 1.4