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Pension and Employee Benefit Plans
 9 Months Ended
Sep. 30, 2012
Pension and Employee Benefit Plans [Abstract]  
Pension and Employee Benefit Plans
9. Pension and Employee Benefit Plans

We sponsor a non-contributory defined benefit pension plan for certain union employees. The plan is funded in accordance with the funding requirements of the Employee Retirement Income Security Act of 1974.

We also sponsor a postretirement health care plan for office employees retired before January 1, 1990. The plan allows retirees who have attained the age of 65 to elect the type of coverage desired.

Retirement and health care plan expense is based on valuations performed by plan actuaries as of the beginning of each fiscal year. The components of the expense consisted of the following:

 

                                 
    Three Months Ended
September 30,		     Nine Months Ended
September 30,		  
(dollars in thousands)   2012     2011     2012     2011  

Pension plan:

                                

Service cost

   $ 15     $ 10     $ 45     $ 30  

Interest cost

     82       92       246       276  

Expected return on plan assets

     (94 )      (97 )      (282 )      (291 ) 

Amortization of net actuarial loss

     83       63       249       189  
   

 

 

    

 

 

    

 

 

    

 

 

  

Net periodic benefit cost

   $ 86     $ 68     $ 258     $ 204  
   

 

 

    

 

 

    

 

 

    

 

 

  

Health care plan:

                                

Interest cost

   $ 1     $ —       $ 3     $ —    

Amortization of gain

     (2 )      (1 )      (6 )      (3 ) 
   

 

 

    

 

 

    

 

 

    

 

 

  

Net periodic benefit cost

   $ (1 )    $ (1 )    $ (3 )    $ (3 ) 
   

 

 

    

 

 

    

 

 

    

 

 

  

For the nine months ended September 30, 2012, we made contributions to our defined benefit plans totaling $292,000. During the remainder of 2012 we do not anticipate making any additional pension plan contributions due to the application of the Moving Ahead for Progress in the 21st Century Act (MAP-21). The application of MAP-21 decreased the required contributions for 2012.