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BENEFIT PLANS (Tables)
9 Months Ended
Sep. 30, 2011
Components of Net Periodic Benefit Cost
The following table provides the components of net periodic benefit cost for the three and nine months ended September 30, 2011 and 2010:

   
Pension Benefits
   
Other Benefits
 
   
Three Months Ended September 30,
 
   
2011
   
2010
   
2011
   
2010
 
   
(In millions)
 
Service cost
  $ 1.6     $ 1.8     $ 0.1     $ 0.1  
Interest cost
    8.6       8.7       0.4       0.4  
Expected return on plan assets
    (11.6 )     (11.1 )     (0.4 )     (0.3 )
Amortization of prior service cost
    0.2       0.2       -       (0.1 )
Recognized actuarial loss
    3.0       2.3       0.3       0.3  
Total net periodic benefit cost
  $ 1.8     $ 1.9     $ 0.4     $ 0.4  
                                 
   
Pension Benefits
   
Other Benefits
 
   
Nine Months Ended September 30,
 
   
2011
   
2010
   
2011
   
2010
 
   
(In millions)
 
Service cost
  $ 4.8     $ 4.7     $ 0.4     $ 0.3  
Interest cost
    25.8       26.1       1.2       1.3  
Expected return on plan assets
    (34.9 )     (33.3 )     (1.2 )     (1.1 )
Amortization of prior service cost
    0.6       0.6       (0.1 )     (0.2 )
Recognized actuarial loss
    9.0       6.8       0.9       0.9  
Total net periodic benefit cost
  $ 5.3     $ 4.9     $ 1.2     $ 1.2