Earnings per Share (Tables)

6 Months Ended

Mar. 31, 2012

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

A reconciliation of basic average common shares outstanding to diluted average common shares outstanding is as follows (in millions):

	Three Months Ended		Six Months Ended
	March 31,		March 31,
	2012	2011	2012	2011
Basic average common shares outstanding	96.3	94.3	95.4	93.8
Impact of stock options	—	0.2	—	0.2
Impact of restricted shares and share units	0.9	2.4	1.8	2.9
Diluted average common shares outstanding	97.2	96.9	97.2	96.9