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Retirement Plans
 3 Months Ended
Apr. 02, 2016
Compensation and Retirement Disclosure [Abstract]  
Retirement Plans
Retirement Plans

The components of the net periodic expense for the Company’s pension plans, supplemental executive retirement plans ("SERP") and other postretirement benefit plans ("OPEB") are as follows (in thousands):

 
 
For the Three Months Ended
 
 
April 2,
2016
 
March 28,
2015
Service cost
 
$
—

 
$
—

Interest cost
 
3,545

 
3,524

Expected return on plan assets
 
(4,775
)
 
(5,226
)
Net amortization and deferral
 
1

 
—

Recognized net actuarial loss
 
2,480

 
2,156

Net periodic expense
 
$
1,251

 
$
454



Interest cost on the projected benefit obligation includes $0.2 million related to the Company’s SERP and OPEB plans in each of the three months ended April 2, 2016, and March 28, 2015.

For the three months ended April 2, 2016, the Company made total contributions of $0.3 million to its pension, SERP and OPEB plans. The Company expects to contribute approximately $1.8 million to its pension, SERP and OPEB plans for the remainder of 2016.