XML 53 R42.htm IDEA: XBRL DOCUMENT v3.10.0.1
Inventories - Components of Inventories (Detail) - USD ($)
$ in Millions
Sep. 30, 2018
Dec. 31, 2017
Inventory Net [Abstract]    
Raw materials and manufacturing supplies $ 156.0 $ 161.1
Work in process 102.0 75.0
Finished goods 120.4 198.2
LIFO reserve (16.6) (17.5)
Total inventories $ 361.8 $ 416.8