Debt (Summary Of Outstanding Debt) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Debt Instrument [Line Items]
Medium-term notes	$ 1,697.3	$ 1,703.9
Commercial paper	202.0	0
Receivables facility	200.0	200.0
Other debt	13.3	14.5
Total debt	2,112.6	1,918.4
Short-term debt	(411.8)	(210.7)
Current portion of long-term debt	(1.2)	(1.2)
Long-term debt	$ 1,699.6	$ 1,706.5