XML 79 R68.htm IDEA: XBRL DOCUMENT v3.10.0.1
PLANT, PROPERTY AND EQUIPMENT, NET - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Property, Plant and Equipment [Abstract]        
Depreciation expense $ 20.7 $ 19.7 $ 62.4 $ 57.2