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Employee Retirement Plans
6 Months Ended
Jun. 30, 2017
Compensation and Retirement Disclosure [Abstract]  
Pension and Other Postretirement Benefits Disclosure [Text Block]
8.
Employee Retirement Plans
 
The components of the Company’s net periodic benefit cost were as follows:
 
 
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
 
 
2017
 
2016
 
2017
 
2016
 
 
 
(Dollars in thousands)
 
Service cost
 
$
142
 
$
444
 
$
282
 
$
819
 
Interest cost
 
 
555
 
 
610
 
 
1,103
 
 
1,225
 
Expected return on plan assets
 
 
(609)
 
 
(630)
 
 
(1,151)
 
 
(1,215)
 
Net amortization and deferral
 
 
143
 
 
476
 
 
263
 
 
838
 
Net periodic benefit cost
 
$
231
 
$
900
 
$
497
 
$
1,667
 
 
The components of net periodic benefit cost other than the service cost component are included in "other expense, net" in the Consolidated Condensed Statements of Earnings and Comprehensive Income (Unaudited).
 
The Company made a $4.0 million pension contribution in the second quarter of 2017. No additional cash contributions are expected for the remainder of 2017.