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Employee Benefit Plans
6 Months Ended
Jun. 30, 2011
Employee Benefit Plans  
Employee Benefit Plans

Note 10 - Employee benefit plans:

Defined benefit plans - The components of our net periodic defined benefit pension cost are presented in the table below.

 

     Three months ended
June  30,
    Six months ended
June 30,
 
     2010     2011     2010     2011  
     (In millions)  

Service cost

   $ 2.5      $ 2.8      $ 5.2      $ 5.5   

Interest cost

     6.4        7.0        12.9        13.6   

Expected return on plan assets

     (5.2     (5.8     (10.5     (11.4

Amortization of unrecognized:

        

Prior service cost

     .3        .4        .6        .8   

Net transition obligations

     .2        .1        .3        .2   

Recognized actuarial losses

     1.6        1.9        3.3        3.7   
  

 

 

   

 

 

   

 

 

   

 

 

 

Total

   $ 5.8      $ 6.4      $ 11.8      $ 12.4   
  

 

 

   

 

 

   

 

 

   

 

 

 

 

Other postretirement benefits - The components of our net periodic other postretirement benefit cost are presented in the table below.

 

     Three months ended
June 30,
    Six months ended
June 30,
 
     2010     2011     2010     2011  
     (In millions)  

Service cost

   $ .1      $ —        $ .2      $ .1   

Interest cost

     .3        .3        .7        .5   

Amortization of prior service credit

     —          (.5     (.2     (1.1

Recognized actuarial losses

     (.1     (.1     (.1     —     
  

 

 

   

 

 

   

 

 

   

 

 

 

Total

   $ .3      $ (.3   $ .6      $ (.5
  

 

 

   

 

 

   

 

 

   

 

 

 

Contributions - We expect to contribute the equivalent of $28.3 million and $1.9 million, respectively, to all of our defined benefit pension plans and other postretirement benefit plans during 2011.