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International Retirement Plan
6 Months Ended
Jun. 30, 2011
International Retirement Plan  
International Retirement Plan
(9) International Retirement Plan
The following table shows the components of net periodic benefit costs and other amounts recognized in the condensed consolidated statements of operations and comprehensive income for the quarter and six months ended June 30, 2011 and 2010:
                                 
    Quarter Ended June 30,     Six Months Ended June 30,  
(in thousands)   2011     2010     2011     2010  
Service cost
  $ 43     $ 27     $ 57     $ 50  
Interest cost
    48       26       64       48  
 
                       
Total
  $ 91     $ 53     $ 121     $ 98