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Employee Benefits
9 Months Ended
Sep. 24, 2011
Employee Benefits 
Employee Benefits

10. Employee Benefits

        The following table provides the components of net periodic benefit cost for our defined benefit plans:

Pension Benefits

 
  Three Months Ended   Nine Months Ended  
 
  September 24, 2011   September 25, 2010   September 24, 2011   September 25, 2010  

Service cost

  $ 758   $ 793   $ 2,279   $ 1,906  

Interest cost

    3,016     2,903     9,056     8,398  

Expected return on plan assets

    (3,407 )   (3,165 )   (10,213 )   (9,295 )

Amortization of prior service cost

    (155 )   (148 )   (466 )   (447 )

Amortization of net loss (gain)

    239     178     693     534  
                   
 

Net periodic benefit cost

  $ 451   $ 561   $ 1,349   $ 1,096  
                   

Company contributions

  $ 1,100   $ 1,913   $ 7,119   $ 5,536  
                   

Supplemental Retirement Benefits

 
  Three Months Ended   Nine Months Ended  
 
  September 24, 2011   September 25, 2010   September 24, 2011   September 25, 2010  

Service cost

  $ 159   $ 149   $ 477   $ 447  

Interest cost

    300     335     901     1,005  

Amortization of prior service cost

    125     124     374     374  

Amortization of net loss (gain)

    53     38     158     114  
                   
 

Net periodic benefit cost

  $ 637   $ 646   $ 1,910   $ 1,940  
                   

        For the fiscal year ended 2011, we expect to contribute a total of $10,666 to our plans.