Business Segment and Geographic Information (Schedule of Geographic Information) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Sales to External Customers Consolidated Total [Line Items]
Sales to External Customers	$ 2,547.3	$ 2,340.1	$ 7,593.9	$ 7,005.9
Europe [Member]
Sales to External Customers Consolidated Total [Line Items]
Sales to External Customers	654.6	635.3	1,951.2	1,931.9
Asia [Member]
Sales to External Customers Consolidated Total [Line Items]
Sales to External Customers	578.8	579.5	1,744.8	1,697.6
Latin America Other [Member]
Sales to External Customers Consolidated Total [Line Items]
Sales to External Customers	181.5	43.3	544.2	144.4
U.S./Canada [Member]
Sales to External Customers Consolidated Total [Line Items]
Sales to External Customers	$ 1,132.4	$ 1,082.0	$ 3,353.7	$ 3,232.0