PROPERTY AND EQUIPMENT, NET (Tables)

12 Months Ended

Dec. 31, 2012

PROPERTY AND EQUIPMENT, NET [Abstract]

	2012			2011

Operations equipment	$	86,742		$	76,678
Furniture and fixtures		8,701			8,370
Office equipment		4,062			2,471
Leasehold improvements		32,762			31,746
Capitalized software		94,453			79,592
Construction in progress		10,426			11,808
Building		1,626			1,556
		238,772			212,221
Less accumulated depreciation and amortization		(134,159	)		(108,772	)
Property and equipment, net	$	104,613		$	103,449

Schedule of Assets under Capital Lease

	2012			2011

Capital leases	$	16,645		$	17,095
Less accumulated depreciation		(8,145	)		(7,198	)
Assets under capital lease, net	$	8,500		$	9,897

- 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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