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Post Retirement Benefit Plans (Tables)
6 Months Ended
Apr. 30, 2015
Postemployment Benefits [Abstract]  
Components of Net Periodic Pension Cost

The components of net periodic pension cost include the following (Dollars in millions):

 

     Three months ended
April 30,
     Six months ended
April 30,
 
     2015      2014      2015      2014  

Service cost

   $ 4.2       $ 3.9       $ 8.3       $ 7.8   

Interest cost

     7.1         7.4         14.2         14.8   

Expected return on plan assets

     (8.5      (8.5      (16.9      (17.0

Amortization of prior service cost, initial net asset and net actuarial gain

     3.6         2.7         7.3         5.4   
  

 

 

    

 

 

    

 

 

    

 

 

 

Net periodic pension costs

$ 6.4    $ 5.5    $ 12.9    $ 11.0   
  

 

 

    

 

 

    

 

 

    

 

 

 
Components of Net Periodic Cost for Postretirement Benefits

The components of net periodic cost for postretirement benefits include the following (Dollars in millions):

 

     Three months ended
April 30,
     Six months ended
April 30,
 
     2015      2014      2015      2014  

Service cost

   $ —         $ —         $ —         $ —     

Interest cost

     0.2         0.2         0.4         0.4   

Amortization of prior service cost and recognized actuarial gain

     (0.4      (0.4      (0.8      (0.8
  

 

 

    

 

 

    

 

 

    

 

 

 

Net periodic benefit for postretirement benefits

$ (0.2 $ (0.2 $ (0.4 $ (0.4