Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2011

Schedule of components of property plant and equipment

	As of December 31,

	2011			2010
Machinery, equipment and deferred installation costs	$	661,733		$	654,652
Land and buildings		65,379			65,181
Transportation equipment		3,490			4,274
Furniture and fixtures		12,679			12,773
Leasehold improvements		12,864			13,440
Construction in progress		32,384			26,047

Property and equipment, at cost		788,529			776,367
Less: accumulated depreciation		(362,041	)		(325,786	)

Net property and equipment	$	426,488		$	450,581

- 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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