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Employee Benefits
 9 Months Ended
Oct. 03, 2015
Compensation and Retirement Disclosure [Abstract]  
Employee Benefits
Employee Benefits
The following table shows the components of net periodic pension cost (in thousands):
 
Three Months Ended 
 October 3, 2015

Three Months Ended 
 October 4, 2014
Service cost
$
251

 
$
264

Interest cost on projected benefit obligation
1,300

 
1,280

Expected return on plan assets
(1,563
)
 
(1,510
)
Amortization of unrecognized loss
138

 
191

Net periodic pension cost
$
126

 
$
225

 
Nine Months Ended 
 October 3, 2015
 
Nine Months Ended 
 October 4, 2014
Service cost
$
851

 
$
792

Interest cost on projected benefit obligation
3,800

 
3,840

Expected return on plan assets
(4,609
)
 
(4,530
)
Amortization of unrecognized loss
560

 
573

Net periodic pension cost
$
602

 
$
675


Subsequent to the Annual Annual Report on Form 10-K for the year ended January 3, 2015, our actuarial estimates regarding quarterly pension contributions were revised. Therefore, during the nine months ended October 3, 2015, we made quarterly contributions of approximately $4.2 million to our defined benefit pension plan, and we contributed an additional $0.4 million to our defined benefit pension plan on October 15, 2015, for the final quarterly pension contribution during the 2015 fiscal year.