Weighted Average Common Shares (Tables)

6 Months Ended

Mar. 31, 2012

Weighted Average Common Shares [Abstract]

Schedule Of Basic And Diluted Earnings Per Share Reconciliation

	Three Months Ended March 31,		Six Months Ended March 31,
	2011	2012	2011	2012
Basic shares outstanding	752.1	732.7	752.2	733.5
Dilutive shares	5.2	4.1	5.5	4.0
Diluted shares outstanding	757.3	736.8	757.7	737.5