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Pension Benefit Plan (Tables)
6 Months Ended
Jun. 30, 2017
Compensation And Retirement Disclosure [Abstract]  
Summarization of Components of Net Periodic Pension Cost

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

 

 

 

Three Months Ended

 

 

Six Months Ended

 

 

 

June 30,

 

 

June 30,

 

(In thousands)

 

2017

 

 

2016

 

 

2017

 

 

2016

 

Service cost

 

$

306

 

 

$

310

 

 

$

603

 

 

$

607

 

Interest cost

 

 

147

 

 

 

184

 

 

 

290

 

 

 

360

 

Expected return on plan assets

 

 

(307

)

 

 

(271

)

 

 

(606

)

 

 

(530

)

Amortization of actuarial losses

 

 

75

 

 

 

45

 

 

 

148

 

 

 

88

 

Net periodic pension cost

 

$

221

 

 

$

268

 

 

$

435

 

 

$

525