Property and Equipment, Net (Tables)

9 Months Ended

Sep. 30, 2016

Property, Plant and Equipment [Abstract]

Property and Equipment

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 and were as follows:

(in thousands)	September 30, 2016		December 31, 2015		September 30, 2015
Equipment and vehicles	$	770,882	$	731,224	$	762,121
Quarry property	179,735		178,357		171,924
Land and land improvements	111,714		110,294		111,058
Buildings and leasehold improvements	82,733		82,871		82,651
Office furniture and equipment	61,007		60,821		71,259
Property and equipment	1,206,071		1,163,567		1,199,013
Less: accumulated depreciation and depletion	798,744		778,438		813,977
Property and equipment, net	$	407,327	$	385,129	$	385,036