PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 3,033,496		$ 2,977,904
Less - accumulated depreciation and amortization	1,424,006		1,366,077
Total property, plant and equipment, net	1,609,490		1,611,827
Interest costs capitalized adjustment	100	$ 1,200
Depreciation inclusive of amortization	63,300	$ 59,300
Land
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	122,184		120,575
Asset retirement costs (non-landfill)
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	15,173		14,567
Landfill assets
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	140,518		139,708
Buildings and improvements
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	406,562		373,160
Camp equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	151,561		152,740
Vehicles
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	558,175		541,022
Equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	1,591,511		1,483,736
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	5,507		5,492
Construction in progress
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 42,305		$ 146,904