PROPERTY, PLANT AND EQUIPMENT - Narrative (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 32,131	$ 33,186	$ 33,168
Depletion expense on operating lease contracts	9,646	9,295	9,428
Landfills
Property, Plant and Equipment [Line Items]
Amortization expense	$ 27,910	$ 26,529	$ 26,969