XML 50 R40.htm IDEA: XBRL DOCUMENT v3.19.1
Inventories, Net - Schedule of Inventories, Net (Detail) - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 102.0 $ 93.1
Work in process 29.2 23.5
Finished products 298.9 316.8
Supplies 65.7 64.5
Total $ 495.8 $ 497.9