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Earnings Per Share (Tables)
12 Months Ended
Sep. 30, 2020
Earnings Per Share  
Reconciliation of the denominators for basic and diluted EPS

Fiscal Year Ended

September 30, 

    

September 30, 

    

September 30, 

2020

2019

2018

(in millions)

Denominator for basic earnings per share

 

159.0

 

157.0

 

159.1

Potential common shares

 

2.3

 

2.7

 

3.2

Denominator for diluted earnings per share

 

161.3

 

159.7

 

162.3