Property and Equipment, Net

3 Months Ended

Mar. 31, 2013

Property, Plant and Equipment [Abstract]

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)	March 31, 2013		December 31, 2012		March 31, 2012
Equipment and vehicles	$	760,717	$	758,782	$	728,407
Quarry property	180,506		180,567		177,274
Land and land improvements	125,301		125,961		125,596
Buildings and leasehold improvements	83,733		83,245		81,291
Office furniture and equipment	68,232		67,743		60,615
Property and equipment	1,218,489		1,216,298		1,173,183
Less: accumulated depreciation and depletion	740,823		734,820		731,051
Property and equipment, net	$	477,666	$	481,478	$	442,132

- Definition

The entire disclosure for long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. This disclosure may include property plant and equipment accounting policies and methodology, a schedule of property, plant and equipment gross, additions, deletions, transfers and other changes, depreciation, depletion and amortization expense, net, accumulated depreciation, depletion and amortization expense and useful lives, income statement disclosures, assets held for sale and public utility disclosures.

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