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Employee Benefits
 6 Months Ended
Jul. 04, 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 
 July 4, 2015

Three Months Ended 
 July 5, 2014
Service cost
$
300

 
$
264

Interest cost on projected benefit obligation
1,250

 
1,280

Expected return on plan assets
(1,523
)
 
(1,510
)
Amortization of unrecognized loss
211

 
191

Net periodic pension cost
$
238

 
$
225

 
Six Months Ended 
 July 4, 2015
 
Six Months Ended 
 July 5, 2014
Service cost
$
600

 
$
528

Interest cost on projected benefit obligation
2,500

 
2,560

Expected return on plan assets
(3,046
)
 
(3,020
)
Amortization of unrecognized loss
422

 
382

Net periodic pension cost
$
476

 
$
450


As of fiscal year-end 2014, the Company determined that almost all of the participants in the pension plan were inactive. Accordingly, beginning in fiscal 2015, the Company began amortizing actuarial gains and losses over the estimated average remaining life expectancy of the inactive participants, rather than the estimated average remaining service period of the active participants.
During the first six months of fiscal 2015, we renegotiated our collective bargaining agreements with certain unionized locations. These collective bargaining agreements cover a number of specific items such as wages, medical coverage, and certain other benefit programs, including the pension plan. As a result of these renegotiations, a significant percentage of the participants in the plan are no longer accruing future years of service, which triggered a curtailment. The pension benefit obligation decreased $7.2 million as a result of changes in actuarial assumptions related to the curtailment, as recorded on the Condensed Consolidated Balance Sheets; along with an increase to accumulated other comprehensive income of $6.1 million (net of $1.1 million tax expense) recorded in other comprehensive income on the Condensed Consolidated Statements of Operations and Comprehensive Income (Loss).