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Inventories, net - Schedule of Inventory (Details) - USD ($)
$ in Millions
Sep. 30, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 44.3 $ 46.0
In process 4.5 4.6
Finished products and other 59.9 59.9
Total inventories, net $ 108.7 $ 110.5