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Pension Plans (Tables)
9 Months Ended
Sep. 30, 2016
Compensation and Retirement Disclosure [Abstract]  
Summary of Net Periodic Benefit Costs

The Company has included the net periodic benefit costs for the plans from the date of the acquisition on April 29, 2016 through September 30, 2016. The net periodic benefit costs included the following components:

 

     Three months ended
September 30, 2016
     Nine months ended
September 30, 2016
 

Service cost

   $ 596       $ 1,000   

Interest cost on projected benefit obligation

     121         201   

Expected return on plan assets

     (44      (75
  

 

 

    

 

 

 
   $ 673       $ 1,126