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Retirement Plans
 9 Months Ended
Sep. 26, 2015
Compensation and Retirement Disclosure [Abstract]  
Retirement Plans
Retirement Plans

The components of the net periodic expense (benefit) 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
 
 
September 26,
2015
 
September 27,
2014
 
September 26,
2015
 
September 27,
2014
Service cost
 
$
—

 
$
—

 
$
1

 
$
1

Interest cost
 
3,505

 
3,707

 
10,553

 
11,120

Expected return on plan assets
 
(5,280
)
 
(5,206
)
 
(15,732
)
 
(15,618
)
Net amortization and deferral
 
—

 
—

 
—

 
—

Recognized net actuarial loss
 
2,339

 
794

 
6,651

 
2,381

Net periodic expense (benefit)
 
$
564

 
$
(705
)
 
$
1,473

 
$
(2,116
)


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 September 26, 2015, and September 27, 2014. During the nine month periods ended September 26, 2015 and September 27, 2014, interest cost on the projected benefit obligation related to the Company's SERP and OPEB plans was $0.5 million and $0.6 million, respectively.

For the nine months ended September 26, 2015, the Company made total contributions of $5.6 million to its pension, SERP and OPEB plans. The Company expects to contribute approximately $1.2 million to its pension, SERP and OPEB plans for the remainder of 2015.