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Components of Inventories (Details) - USD ($)
$ in Millions
Mar. 31, 2021
Dec. 31, 2020
Inventory, Finished Goods and Work in Process, Net of Reserves [Abstract]    
Raw materials and supplies $ 114.0 $ 112.9
Work in process 34.3 33.0
Finished goods 393.0 349.5
Total $ 541.3 $ 495.4