Debt (Summary Of Outstanding Debt) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Jul. 15, 2012	Dec. 31, 2011
Debt Instrument [Line Items]
Medium-term notes	$ 1,869.2		$ 1,632.3
Junior convertible subordinated debentures	0	436.7	436.7
Commercial paper	86.7		0
Receivables facility	200.0		100.0
Other debt	8.2		7.8
Total debt	2,164.1		2,176.8
Short-term debt	(291.0)		(103.6)
Current portion of long-term debt	(507.0)		(263.9)
Long-term debt	$ 1,366.1		$ 1,809.3