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Post-Retirement Health Care
 9 Months Ended
Oct. 01, 2016
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
 
Nine Months Ended
(In thousands)
 
October 1, 2016
 
October 3, 2015
 
October 1, 2016
 
October 3, 2015
Service cost
 
$
184

 
$
201

 
$
552

 
$
603

Interest cost
 
212

 
204

 
634

 
612

Amortization of (gain)/loss
 
16

 
59

 
46

 
177

Net periodic benefit cost
 
$
412

 
$
464

 
$
1,232

 
$
1,392