Note 7—Commitments

The Company leases certain manufacturing equipment, office equipment, vehicles and office, warehouse and manufacturing facilities under operating leases. Some of the leases provide for escalation of the lease payments as maintenance costs and taxes increase. The leases expire at various times through 2020. Leases for office space and manufacturing facilities generally contain renewal options. Rental expense for the years ended December 31, 2011, 2010 and 2009 was $10.3 million, $11.0 million and $10.6 million, respectively.

The Company is obligated under a capital lease that expires in 2023. As of December 31, 2011, property, plant and equipment include the following amounts under capital leases (in thousands):

Buildings and building improvements	$	12,207
Less accumulated depreciation		(3,756	)

	$	8,451

Capital lease obligations outstanding consist of the following:


	December 31,
(in thousands)	2011		2010

Capital lease obligations	$	11,019	$	11,381
Less current installments		419		362

Capital lease obligations, less current installments	$	10,600	$	11,019

Future minimum lease payments under noncancelable operating leases and future minimum capital lease payments are as follows (in thousands):


	Capital		Operating
Year ending December 31,	Leases		Leases

2012	$	1,520	$	8,801
2013		1,550		6,177
2014		1,581		5,032
2015		1,613		4,668
2016		1,645		3,420
Thereafter		11,051		3,517

Total minimum lease payments	$	18,960	$	31,615

Less: amount representing interest		7,941

Present value of minimum lease payments		11,019
Less: current installments		419

Capital lease obligations, less current installments	$	10,600

The Company enters into contractual commitments to deliver products and services in the ordinary course of business. The Company believes that all such contractual commitments will be performed or renegotiated such that no material adverse financial impact on the Company's financial position, results of operations or liquidity will result from these commitments.