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Pension Benefit Plan
 3 Months Ended
Mar. 31, 2018
Compensation And Retirement Disclosure [Abstract]  
Pension Benefit Plan

5. 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 months ended March 31, 2018 and 2017:

 

 

 

Three Months Ended

 

 

 

March 31,

 

(In thousands)

 

2018

 

 

2017

 

Service cost

 

$

308

 

 

$

297

 

Interest cost

 

 

187

 

 

 

143

 

Expected return on plan assets

 

 

(399

)

 

 

(299

)

Amortization of actuarial losses

 

 

64

 

 

 

73

 

Net periodic pension cost

 

$

160

 

 

$

214

 

 

The components of net periodic pension cost other than the service cost component are included in the line item “Other income (expense), net” in the Consolidated Statements of Income.