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Components of Inventories (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Inventory, Finished Goods and Work in Process, Net of Reserves [Abstract]    
Raw materials and supplies $ 85.9 $ 84.4
Work in process 29.0 34.1
Finished goods 302.5 264.3
Total $ 417.4 $ 382.8