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Benefit Plans (Tables)
 3 Months Ended
Dec. 31, 2013
Compensation And Retirement Disclosure [Abstract]  
Net Pension and Other Postretirement Cost

Net pension and postretirement cost included the following components for the three months ended December 31:

 

     Pension Plans     Other Postretirement
Benefits		  
     2013     2012     2013      2012  

Service cost

    $ 18      $ 21      $ 1       $ 1   

Interest cost

      23        22        3         3   

Expected return on plan assets

      (31 )      (29 )      —           —     

Amortization of prior service credit

      (4 )      (3 )      —           —     

Amortization of loss

      12        19        1         1   
  

 

 

    

 

 

    

 

 

     

 

 

  

Net pension and postretirement cost

    $ 17      $ 29      $ 4       $ 5