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PLANT, PROPERTY AND EQUIPMENT, NET - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Property, Plant and Equipment [Abstract]        
Depreciation expense $ 19.7 $ 18.1 $ 57.2 $ 55.5