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Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2011

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

	December 31
	2011			2010
Land	$	13,052		$	7,968
Building and land improvements		134,513			118,650
Manufacturing and office equipment		209,939			196,130
Aviation equipment		14,830			15,449
Less accumulated depreciation		(184,316	)		(169,955	)
Total	$	188,018		$	168,242

- 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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