Pension Benefit Plan

9 Months Ended

Sep. 30, 2017

4. PENSION BENEFIT PLAN

We maintain a defined benefit pension plan covering employees in certain foreign countries.

The following table summarizes the components of net periodic pension cost for the three and nine months ended September 30, 2017 and 2016:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(In thousands)	2017			2016			2017			2016
Service cost	$	327		$	305		$	930		$	912
Interest cost		158			182			448			542
Expected return on plan assets		(329	)		(266	)		(935	)		(796	)
Amortization of actuarial losses		80			44			228			132
Net periodic pension cost	$	236		$	265		$	671		$	790