Weighted Average Common Shares (Tables)

6 Months Ended

Mar. 31, 2019

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,
	2018	2019	2018	2019
Basic shares outstanding	632.6	614.0	635.4	619.0
Dilutive shares	3.4	4.1	2.9	3.9
Diluted shares outstanding	636.0	618.1	638.3	622.9