PROPERTY, PLANT, AND EQUIPMENT (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 2,691,738	$ 2,564,340
Less - accumulated depreciation and amortization	1,159,271	1,005,506
Total property, plant and equipment, net	1,532,467	1,558,834
Interest capitalization	2,000	500	$ 900
Depreciation inclusive of landfill amortization	234,000	239,400	$ 229,400
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	100,582	98,507
Asset retirement costs (non-landfill)
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	12,434	10,871
Landfill assets
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	136,624	110,984
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	344,209	338,242
Camp equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	149,361	180,575
Vehicles
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	500,619	471,615
Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,328,915	1,302,424
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	5,337	5,517
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 113,657	$ 45,605