Weighted Average Common Shares (Tables)

3 Months Ended

Dec. 31, 2017

Weighted Average Number of Shares Outstanding Reconciliation [Abstract]

Schedule Of Basic And Diluted Earnings Per Share Reconciliation

	Three Months Ended December 31,
	2016	2017
Basic shares outstanding	642.8	638.2
Dilutive shares	1.5	2.3
Diluted shares outstanding	644.3	640.5