Property And Equipment (Tables)

12 Months Ended

Dec. 31, 2011


	December 31,
	2011			2010
Building and improvements	$	72		$	72
Leasehold improvements		2,515			2,222
Computer equipment and software		59,292			53,317
Furniture and equipment		8,534			8,141
Transportation equipment		136,691			54,316
Construction in process		1,101			—

		208,205			118,068
Less: Accumulated depreciation and amortization		(83,618	)		(70,262	)

Property and Equipment, net	$	124,587		$	47,806

- Definition

Tabular disclosure of the useful life and salvage value of 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.

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