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Inventories (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 64.2 $ 56.3
In process 55.7 49.1
Finished products 154.4 144.5
Other 35.6 31.2
Total inventories $ 309.9 $ 281.1