COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

Aggregate non-cancelable future minimum rental payments under operating leases, including manufacturing equipment and software rights, are as follows:

Years Ending December 31:	Operating Leases
	(In thousands)
2013	$	8,992
2014	8,990
2015	7,610
2016	7,377
2017	6,758
Thereafter	28,770
	$	68,497

Summary of the activity related to the product warranty liability

The following table summarizes the activity related to the product warranty liability for the years ended December 31, 2012, 2011 and 2010.

	Years Ended
	December 31, 2012			December 31, 2011			December 31, 2010
	(In thousands)
Balance at beginning of period	$	5,746		$	4,019		$	4,225
Accrual for warranties during the period, net of change in estimate	3,672			7,383			3,779
Actual costs incurred	(4,586		)	(5,656		)	(3,985		)
Balance at end of period	$	4,832		$	5,746		$	4,019