Property and Equipment, Net

9 Months Ended

Sep. 30, 2015

Property, Plant and Equipment [Abstract]

Property and Equipment, Net

Property and Equipment, net

Balances of major classes of assets and allowances for depreciation and depletion are included in property and equipment, net on our condensed consolidated balance sheets as follows:

(in thousands)	September 30, 2015		December 31, 2014		September 30, 2014
Equipment and vehicles	$	762,121	$	767,313	$	771,934
Quarry property	171,924		172,081		169,982
Land and land improvements	111,058		110,235		118,985
Buildings and leasehold improvements	82,651		82,655		83,813
Office furniture and equipment	71,259		70,820		70,837
Property and equipment	1,199,013		1,203,104		1,215,551
Less: accumulated depreciation and depletion	813,977		793,451		791,279
Property and equipment, net	$	385,036	$	409,653	$	424,272