Weighted Average Common Shares (Tables)

6 Months Ended

Mar. 31, 2021

Weighted Average Number of Shares Outstanding Reconciliation [Abstract]

Schedule Of Basic And Diluted Earnings Per Share Reconciliation

	Three Months Ended March 31,		Six Months Ended March 31,
	2020	2021	2020	2021
Basic shares outstanding	607.4	599.4	608.7	599.0
Dilutive shares	3.6	3.4	3.9	3.3
Diluted shares outstanding	611.0	602.8	612.6	602.3