PROPERTY, PLANT, AND EQUIPMENT (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 2,417,364	$ 2,145,972
Less - accumulated depreciation and amortization	815,194	612,919
Total property, plant and equipment, net	1,602,170	1,533,053
Land
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	99,794	104,379
Asset retirement costs (non-landfill)
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	10,938	10,111
Landfill assets
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	100,983	77,952
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	327,956	359,816
Camp equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	187,831	135,827
Vehicles
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	425,296	385,172
Equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	1,201,296	1,034,856
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	5,260	3,735
Construction in progress
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 58,010	$ 34,124