Summarized Financial Information of Equity Affiliates (Table Of Summarized Financial Information Of Equity Affiliates) (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Equity Method Investments and Joint Ventures [Abstract]
Current assets	$ 1,296.4	$ 1,440.0
Noncurrent assets	2,607.4	2,464.6
Current liabilities	654.0	745.2
Noncurrent liabilities	988.0	743.0
Net sales	2,604.3	2,808.7	$ 2,845.9
Sales less cost of sales	949.2	984.7	1,003.3
Operating income	524.0	542.9	547.3
Net income	$ 351.0	$ 359.5	$ 360.5