Business Segment and Geographic Information (Schedule of Geographic Information) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenue from External Customers and Long-Lived Assets [Line Items]
Sales to External Customers	$ 2,340.1	$ 2,472.0	$ 7,005.9	$ 7,167.5
North America [Member]
Revenue from External Customers and Long-Lived Assets [Line Items]
Sales to External Customers	1,115.6	1,179.3	3,331.4	3,499.3
Europe [Member]
Revenue from External Customers and Long-Lived Assets [Line Items]
Sales to External Customers	602.5	670.0	1,832.5	1,947.6
Asia [Member]
Revenue from External Customers and Long-Lived Assets [Line Items]
Sales to External Customers	576.9	566.7	1,697.6	1,546.4
Latin America Other [Member]
Revenue from External Customers and Long-Lived Assets [Line Items]
Sales to External Customers	$ 45.1	$ 56.0	$ 144.4	$ 174.2