COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2011

Commitments and Contingencies Disclosure [Abstract]

Future minimum lease commitments under non-cancelable leases

The future minimum lease commitments under these non-cancelable leases at December 31, 2011 were as follows (in thousands):

Year
2012	$	22,312
2013	19,749
2014	17,005
2015	12,096
2016	12,143
Thereafter	35,866
Total	$	119,171

Product warranty accrual activity

The following table sets forth the activity in the product warranty accrual account for the years ended December 31, 2011 and 2010 (in thousands):

Accrual balance at December 31, 2009	$	4,454
Acquired product warranty	339
Accruals for product warranties	5,046
Cost of warranty claims	(5,347		)
Accrual balance at December 31, 2010	4,492
Accruals for product warranties	7,023
Cost of warranty claims	(6,094		)
Accrual balance at December 31, 2011	$	5,421