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Inventories (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 64.8 $ 64.2
In process 60.8 55.7
Finished products 177.6 154.4
Other 35.9 35.6
Total inventory $ 339.1 $ 309.9