PROPERTY, PLANT, AND EQUIPMENT (Tables)

3 Months Ended

Mar. 31, 2014

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, plant and equipment consisted of the following (in thousands):

	March 31, 2014		December 31, 2013
Land	$	99,338	$	99,794
Asset retirement costs (non-landfill)	10,909		10,938
Landfill assets	101,540		100,983
Buildings and improvements	331,969		327,956
Camp equipment	180,874		187,831
Vehicles	432,849		425,296
Equipment	1,220,857		1,201,296
Furniture and fixtures	5,260		5,260
Construction in progress	68,123		58,010
	2,451,719		2,417,364
Less - accumulated depreciation and amortization	863,433		815,194
Total property, plant and equipment, net	$	1,588,286	$	1,602,170