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Post-Retirement Health Care
 3 Months Ended
Apr. 01, 2017
Compensation and Retirement Disclosure [Abstract]  
Post-Retirement Health Care
Post-Retirement Health Care

The following table sets forth the components of net periodic benefit costs included in the Corporation's Condensed Consolidated Statements of Comprehensive Income for the periods noted:
 
 
Three Months Ended
(In thousands)
 
April 1, 2017
 
April 2, 2016
Service cost
 
$
185

 
$
185

Interest cost
 
206

 
211

Amortization of (gain)/loss
 
7

 
15

Net periodic benefit cost
 
$
398

 
$
411