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Inventories - Schedule of Inventories (Details) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Inventory Disclosure [Abstract]    
Raw materials $ 1,021.0 $ 984.4
Partially finished products 426.5 334.0
Finished products 254.2 239.7
Inventories at FIFO cost 1,701.7 1,558.1
Less: Excess of FIFO cost over LIFO cost (173.8) (175.4)
Inventory net $ 1,527.9 $ 1,382.7