Weighted Average Common Shares (Tables)

9 Months Ended

Jun. 30, 2021

Weighted Average Number of Shares Outstanding Reconciliation [Abstract]

Schedule Of Basic And Diluted Earnings Per Share Reconciliation

	Three Months Ended June 30,		Nine Months Ended June 30,
	2020	2021	2020	2021
Basic shares outstanding	596.9	598.2	604.8	598.7
Dilutive shares	3.1	3.9	3.6	3.6
Diluted shares outstanding	600.0	602.1	608.4	602.3