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Pension Plan
 3 Months Ended
Mar. 31, 2012
Pension Plan [Abstract]  
Pension Plan

(10) Pension Plan

The following table shows the components of net periodic pension cost for our defined benefit pension plan as of March 31, 2012 and 2011 (amounts in thousands):

 

    

Three months ended

March 31,

  
     2012     2011  

Service cost

    $ 286      $ 334   

Interest cost

      1,165        1,452   

Expected return on assets

      (1,540 )      (1,509 ) 

Recognized actuarial loss

      1,055        744   
  

 

 

    

 

 

  

Net periodic pension cost

    $ 966      $ 1,021   
  

 

 

    

 

 

  

During the three months ended March 31, 2012, we made contributions totaling $7.1 million to our pension plan.