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Weighted Average Common Shares (Tables)
9 Months Ended
Jun. 30, 2011
Weighted Average Common Shares  
Schedule Of Basic And Diluted Earnings Per Share Reconciliation
   
Three Months Ended
   
Nine Months Ended
 
   
June 30,
   
June 30,
 
   
2010
   
2011
   
2010
   
2011
 
Basic shares outstanding
    751.1       748.7       750.8       751.0  
Dilutive shares
    6.6       4.6       6.1       5.2  
Diluted shares outstanding
    757.7       753.3       756.9       756.2