Property, Plant and Equipment

12 Months Ended

Dec. 31, 2012

Property, Plant and Equipment [Abstract]

Property, plant and equipment consist of the following at December 31,:



	2011			2012

Land	$	4,367		$	4,243
Building and improvements	90,360			92,775
Machinery and equipment	163,923			176,102
Construction in progress	6,310			5,508
	264,960			278,628
Less: Accumulated depreciation	(125,773		)	(139,587		)
	$	139,187		$	139,041

We lease various manufacturing facilities, office facilities and equipment under operating leases. Rental expense on these operating leases was approximately $5,830, $6,221, and $6,416 for the years ended December 31, 2010, 2011 and 2012, respectively. The aggregate future minimum lease commitments for operating leases at December 31, 2012 are as follows:



2013	$	7,128
2014	5,787
2015	5,001
2016	3,531
2017	3,275
Thereafter	8,027

- 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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