Business Segment and Geographic Information (Schedule of Geographic Information) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended										12 Months Ended
	Sep. 30, 2012		Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011		Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2012		Sep. 30, 2011		Sep. 30, 2010
Revenue from External Customers and Long-Lived Assets [Line Items]
Sales to External Customers	$ 2,605.8		$ 2,340.1	$ 2,344.3	$ 2,321.5	$ 2,506.2		$ 2,472.0	$ 2,403.0	$ 2,292.5	$ 9,611.7		$ 9,673.7		$ 8,616.1
Long Lived Assets	8,240.6					7,222.7					8,240.6		7,222.7		6,849.3
United States
Revenue from External Customers and Long-Lived Assets [Line Items]
Sales to External Customers											4,114.5		4,252.5		3,943.3
Long Lived Assets	3,534.4	[1]				3,099.2	[1]				3,534.4	[1]	3,099.2	[1]	2,968.0	[1]
Canada
Revenue from External Customers and Long-Lived Assets [Line Items]
Sales to External Customers											267.6		297.0		260.3
Long Lived Assets	571.3	[1]				566.1	[1]				571.3	[1]	566.1	[1]	608.8	[1]
Europe [Member]
Revenue from External Customers and Long-Lived Assets [Line Items]
Sales to External Customers											2,588.5		2,773.8		2,506.4
Long Lived Assets	1,760.1	[1]				1,650.0	[1]				1,760.1	[1]	1,650.0	[1]	1,514.5	[1]
Asia [Member]
Revenue from External Customers and Long-Lived Assets [Line Items]
Sales to External Customers											2,304.0		2,122.1		1,621.0
Long Lived Assets	1,866.6	[1]				1,786.2	[1]				1,866.6	[1]	1,786.2	[1]	1,658.4	[1]
Latin America Other [Member]
Revenue from External Customers and Long-Lived Assets [Line Items]
Sales to External Customers											337.1		228.3		285.1
Long Lived Assets	$ 508.2	[1]				$ 121.2	[1]				$ 508.2	[1]	$ 121.2	[1]	$ 99.6	[1]

[1] Long lived assets include plant and equipment, net.