Pension and Severance Plans (Tables)

9 Months Ended

Sep. 30, 2014

Compensation and Retirement Disclosure [Abstract]

Components of net periodic pension cost

The components of net periodic pension cost for these defined benefit plans are as follows:

	For the Three Months Ended September 30,						For the Nine Months Ended September 30,
	2014			2013			2014			2013
	(In thousands)
Service cost	$	1,101		$	1,500		$	3,974		$	4,373
Interest cost	748			842			2,321			2,363
Expected return on plan assets	(782		)	(852		)	(2,329		)	(2,646		)
Amortization of transition obligation	—			3			75			7
Amortization of prior service cost	9			50			108			148
Recognized actuarial loss	17			33			50			99
Net periodic pension cost	1,093			1,576			4,199			4,344
Curtailment gain	—			(148		)	—			(148		)
Settlement gain	—			(209		)	—			(209		)
Total pension expense	$	1,093		$	1,219		$	4,199		$	3,987

Schedule of Korean severance obligation

The balance of our Korean severance obligation consists of the following:

	September 30, 2014		December 31, 2013
	(In thousands)
Current (Accrued expenses)	$	11,189	$	11,197
Non-current (Pension and severance obligations)	139,168		133,935
Total Korean severance obligation	$	150,357	$	145,132