COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

Aggregate non-cancelable future minimum rental payments under operating leases are as follows:

Years Ending December 31:	Operating Leases
	(in thousands)
2015	$	9,799
2016	9,144
2017	7,449
2018	6,370
2019	6,305
Thereafter	18,385
	$	57,452

Schedule of Activity Related to Product Warranty Liability

The following table summarizes the activity related to the product warranty liability:

	Years Ended
	December 31, 2014			December 31, 2013			December 31, 2012
	(In thousands)
Balance at beginning of period	$	3,686		$	4,832		$	5,746
Accrual for warranties during the period, net	3,884			2,203			3,672
Actual costs incurred	(3,625		)	(3,349		)	(4,586		)
Balance at end of period	$	3,945		$	3,686		$	4,832