Property and Equipment

12 Months Ended

Dec. 31, 2012

7. Property and Equipment

Property and equipment consist of the following (dollars in thousands):

		December 31,

	Estimated Useful Lives in Years	December 31,
	Estimated Useful Lives in Years	2012			2011
Land	—	$	2,404		$	2,282
Transportation equipment	2 - 10		38,352			34,590
Machinery and equipment	2 - 15		21,670			21,037
Computer and telephone equipment	2 - 10		18,481			17,329
Buildings and leasehold improvements	1 - 39		24,438			23,083
Furniture and fixtures	3 - 10		4,741			4,879

			110,086			103,200
Less—Accumulated depreciation			(68,670	)		(61,507	)

Property and equipment, net		$	41,416		$	41,693

Depreciation expense for the years ended December 31, 2012, 2011 and 2010 was $11.7 million, $11.9 million and $10.9 million, respectively.

- 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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