XML 298 R110.htm IDEA: XBRL DOCUMENT v3.19.1
Inventories - Schedule of Inventories Provision for Obsolescence (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disclosure of inventories [abstract]      
Beginning balance $ (153.2) $ (138.1) $ (161.2)
Additions (59.8) (48.7) (59.8)
Disposals 41.5 37.0 83.7
Foreign exchange loss 0.8 (3.4) (0.8)
Ending balance $ (170.7) $ (153.2) $ (138.1)