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Retirement Plans
 9 Months Ended
Oct. 01, 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
 
For the Nine Months Ended
 
 
October 1,
2016
 
September 26,
2015
 
October 1,
2016
 
September 26,
2015
Service cost
 
$
—

 
$
—

 
$
1

 
$
1

Interest cost
 
3,555

 
3,505

 
10,645

 
10,553

Expected return on plan assets
 
(4,775
)
 
(5,280
)
 
(14,326
)
 
(15,732
)
Net amortization and deferral
 
1

 
—

 
3

 
—

Recognized net actuarial loss
 
2,507

 
2,339

 
7,467

 
6,651

Net periodic expense
 
$
1,288

 
$
564

 
$
3,790

 
$
1,473



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 October 1, 2016 and September 26, 2015, and $0.5 million for both the nine months ended October 1, 2016, and September 26, 2015.

For the nine months ended October 1, 2016, the Company made total contributions of $0.8 million to its pension, SERP and OPEB plans. The Company expects to contribute approximately $1.4 million to its pension, SERP and OPEB plans for the remainder of 2016.