Property and Equipment, Net

9 Months Ended

Sep. 30, 2017

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 in the condensed consolidated balance sheets and were as follows:

(in thousands)	September 30, 2017		December 31, 2016		September 30, 2016
Equipment and vehicles	$	778,010	$	756,602	$	770,882
Quarry property	177,427		174,839		179,735
Land and land improvements	113,384		110,999		111,714
Buildings and leasehold improvements	83,914		82,762		82,733
Office furniture and equipment	59,791		56,381		61,007
Property and equipment	1,212,526		1,181,583		1,206,071
Less: accumulated depreciation and depletion	800,352		774,933		798,744
Property and equipment, net	$	412,174	$	406,650	$	407,327