XML 77 R65.htm IDEA: XBRL DOCUMENT v3.21.1
Inventories (Details) - USD ($)
$ in Millions
Mar. 31, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Finished goods $ 453.5 $ 434.6
Work in process 742.7 621.9
Raw materials, supplies and other 183.8 165.7
First-in, first-out inventory 1,380.0 1,222.2
Less: Excess of first-in, first-out cost over last-in, first-out cost (125.3) (126.6)
Net inventories $ 1,254.7 $ 1,095.6