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Earnings Per Share (Tables)
12 Months Ended
Sep. 30, 2013
Earnings Per Share  
Reconciliation of the denominators for basic and diluted EPS

 

 
  Fiscal Year Ended  
 
  September 30,
2013
  September 30,
2012
  September 30,
2011
 
 
  (in millions)
 

Denominator for basic earnings per share

    100.6     111.9     117.4  

Potential common shares

    1.3         0.9  
               

Denominator for diluted earnings per share

    101.9     111.9     118.3