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Retirement Plans
9 Months Ended
Sep. 30, 2012
Retirement Plans
9. Retirement Plans

Certain of the Company’s United States employees participate in a defined-benefit pension plan that closed to new participants effective January 1, 1995. The Company has a nonqualified, unfunded supplemental retirement plan, as well as a postretirement healthcare plan for eligible retired employees who participate in the pension plan and were hired before January 1, 1992. The components of periodic benefit costs for the defined-benefit pension, postretirement healthcare and supplemental retirement plans were as follows for the three and nine-month periods ended September 30, 2012, and 2011 (in thousands):

 

                                                                 
    

Defined-Benefit

Pension Plan

Three-Month Period

Ended September 30,

   

Postretirement Healthcare

Plan

Three-Month Period

Ended September 30,

    

Supplemental

Retirement Plan

Three-Month Period

Ended September 30,

 
     2012     2011     2012      2011      2012      2011  

Service cost

   $ 216      $ 193      $ 10       $ 9       $ 7       $ 5   

Interest cost

     477        454        18         20         40         40   

Expected return on plan assets

     (509     (512     —           —           —           —     

Amortization of net loss

     471        343        5         7         48         38   
  

 

 

   

 

 

   

 

 

    

 

 

    

 

 

    

 

 

 

Net periodic benefit cost

   $ 655      $ 478      $ 33       $ 36       $ 95       $ 83   
  

 

 

   

 

 

   

 

 

    

 

 

    

 

 

    

 

 

 

 

    

Defined-Benefit

Pension Plan

Nine-Month Period

Ended September 30,

   

Postretirement Healthcare

Plan

Nine-Month Period

Ended September 30,

    

Supplemental

Retirement Plan

Nine-Month Period

Ended September 30,

 
     2012     2011     2012      2011      2012      2011  

Service cost

   $ 647      $ 580      $ 28       $ 28       $ 22       $ 15   

Interest cost

     1,430        1,364        54         61         120         120   

Expected return on plan assets

     (1,527     (1,538     —           —           —           —     

Amortization of net loss

     1,414        1,028        16         21         144         114   
  

 

 

   

 

 

   

 

 

    

 

 

    

 

 

    

 

 

 

Net periodic benefit cost

   $ 1,964      $ 1,434      $ 98       $ 110       $ 286       $ 249