Weighted Average Common Shares (Tables)

6 Months Ended

Mar. 31, 2020

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,
	2019	2020	2019	2020
Basic shares outstanding	614.0	607.4	619.0	608.7
Dilutive shares	4.1	3.6	3.9	3.9
Diluted shares outstanding	618.1	611.0	622.9	612.6