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Defined Benefit Plans (Tables)
 9 Months Ended
Sep. 30, 2014
Components of Net Periodic Benefit Cost for Pension and Postretirement Benefits

The components of net periodic benefit cost (income) for pension and postretirement benefits for the nine and three months ended September 30, 2014 and 2013 were as follows:

 

     Nine Months Ended September 30,  
     Pension Benefits     Postretirement Benefits  
(In millions)    2014     2013     2014     2013  

Service cost

    $ 7.8      $ 8.6      $ —        $  0.3   

Interest cost

      24.7        22.5        0.5        1.3   

Expected return on plan assets

      (31.7 )      (31.3 )      —          —     

Recognition of prior service costs (credits)

      0.1        0.1        (24.2 )      (21.5 ) 

Recognition of actuarial losses

      1.1        0.8        0.6        4.8   

Curtailment and settlement losses

      —          0.1        —          0.1   
  

 

 

    

 

 

    

 

 

    

 

 

  

Net periodic benefit cost (income)

    $ 2.0      $ 0.8      $ (23.1 )      $ (15.0)   

 

     Three Months Ended September 30,  
     Pension Benefits     Postretirement Benefits  
(In millions)    2014     2013     2014     2013  

Service cost

    $ 2.4      $  2.3      $ —        $ 0.1   

Interest cost

      8.5        7.5        0.1        0.3   

Expected return on plan assets

      (10.6 )      (10.5 )      —          —     

Recognition of prior service costs (credits)

      —          —          (6.5 )      (5.7 ) 

Recognition of actuarial losses (gains)

      1.1        0.7        —          (0.5 ) 

Curtailment and settlement losses

      —          0.1        —          0.1   
  

 

 

    

 

 

    

 

 

    

 

 

  

Net periodic benefit cost (income)

    $ 1.4      $ 0.1      $ (6.4 )    $ (5.7 )