XML 76 R64.htm IDEA: XBRL DOCUMENT v3.10.0.1
Inventories (Details) - USD ($)
$ in Millions
Sep. 30, 2018
Dec. 31, 2017
Inventory Disclosure [Abstract]    
Finished goods $ 260.5 $ 353.7
Work in process 609.4 542.4
Raw materials, supplies and other 256.2 224.1
First-in, first-out inventory 1,126.1 1,120.2
Less: Excess of first-in, first-out cost over last-in, first-out cost (130.7) (127.7)
Net inventories $ 995.4 $ 992.5