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PLANT, PROPERTY AND EQUIPMENT, NET - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Property, Plant and Equipment [Abstract]        
Depreciation expense $ 16.4 $ 18.5 $ 50.4 $ 52.2