Weighted Average Common Shares

6 Months Ended

Mar. 31, 2016

Weighted Average Number of Shares Outstanding Reconciliation [Abstract]

Weighted Average Common Shares

Reconciliations of weighted-average shares for basic and diluted earnings per common share follow (in millions). Earnings allocated to participating securities were inconsequential.

	Three Months Ended March 31,		Six Months Ended March 31,
	2015	2016	2015	2016
Basic shares outstanding	680.9	642.0	686.1	646.0
Dilutive shares	3.2	2.7	3.3	2.6
Diluted shares outstanding	684.1	644.7	689.4	648.6