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Benefit Plans (Tables)
 3 Months Ended
Apr. 01, 2017
Compensation and Retirement Disclosure [Abstract]  
Components of Net Periodic Benefit Cost (Income)
The components of net periodic benefit cost (income) are as follows:

 
 
For the Quarter Ended
(In thousands) 
 
April 1, 2017
 
April 2, 2016
 
 
 
 
 
Pension benefits:
 
 
 
 
Service cost
 
$
35

 
$
195

Interest cost
 
1,665

 
1,975

Expected return on plan assets
 
(2,182
)
 
(2,466
)
Amortization of net loss
 
556

 
774

 
 
 
 
 
Net periodic benefit cost
 
$
74

 
$
478

 
 
 
 
 
Other benefits:
 
 

 
 

Service cost
 
$
56

 
$
62

Interest cost
 
149

 
156

Amortization of prior service credit
 
(225
)
 
(224
)
Amortization of net (gain) loss
 
(5
)
 
2

 
 
 
 
 
Net periodic benefit income
 
$
(25
)
 
$
(4
)