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Employee Benefit Plans And Other Postretirement Benefits
6 Months Ended
Jun. 30, 2011
Employee Benefit Plans And Other Postretirement Benefits  
Employee Benefit Plans And Other Postretirement Benefits
8. Employee Benefit Plans and Other Postretirement Benefits

For the three- and six-months ended June 30, 2011 and 2010, net pension costs were comprised of the following:

 

     Three Months
Ended
June 30,
    Six Months
Ended
June 30,
 
     2011     2010     2011     2010  
(In thousands)                         

Components of Net Pension Costs

        

Service cost for benefits earned during the year

   $ 4,952      $ 4,579      $ 9,904      $ 9,158   

Interest cost on accumulated benefit obligation

     3,368        3,023        6,736        6,045   

Expected return on assets

     (3,386     (2,802     (6,772     (5,604

Net amortization of unrecognized amounts

     1,549        1,483        3,097        2,966   
                                

Net pension costs

   $ 6,483      $ 6,283      $ 12,965      $ 12,565   
                                

The Company makes pension plan contributions that are sufficient to fund its actuarially determined costs, generally equal to the minimum amounts required by the Employee Retirement Income Security Act (ERISA). However, from time to time the Company may make discretionary contributions in excess of the required minimum amounts. The Company expects to contribute $22.1 million to the pension plans in 2011, of which $6.0 million has been contributed through June 30, 2011.

For the three- and six-months ended June 30, 2011 and 2010, net postretirement costs were comprised of the following:

 

     Three Months
Ended

June 30,
    Six Months
Ended
June 30,
 
     2011      2010     2011      2010  
(In thousands)                           

Components of Net Postretirement Costs

          

Service cost for benefits earned during the year

   $ 400       $ 350      $ 800       $ 700   

Interest cost on accumulated benefit obligation

     297         283        595         565   

Net amortization of unrecognized amounts

     8         (19     16         (37
                                  

Net postretirement costs

   $ 705       $ 614      $ 1,411       $ 1,228