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Pension Plan
 3 Months Ended
Mar. 31, 2015
Compensation and Retirement Disclosure [Abstract]  
Pension Plan
Pension Plan

Net periodic pension (income) cost consists of the following: 

Three Months Ended March 31,
 
2015
 
2014

 
 


Service cost
$
67

 
$
72


 
 


Interest cost on projected benefit obligation
888

 
877


 
 


Expected return on plan assets
(1,469
)
 
(1,496
)

 
 


Net amortization and deferral
812

 
427


 
 


Net periodic pension (income) cost
$
298

 
$
(120
)

 
We do not expect to make any pension contributions during 2015.