Income Taxes From Continuing Operations (Reconciliation Of Unrecognized Tax Benefits) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits, beginning of year	$ 518.3	$ 517.5	$ 439.3
Additions based on tax positions related to the current year	60.8	46.6	62.2
Additions for tax positions of prior years	94.7	77.1	101.8
Reductions for tax positions of prior years	(38.4)	(59.7)	(50.0)
Acquisitions	19.7	85.5	5.7
Lapse of statute of limitations	(20.7)	(124.3)	(32.8)
Settlements	(23.2)	(21.2)	(4.9)
Effect of foreign currency translation	2.0	(3.2)	(3.8)
Unrecognized tax benefits, end of year	$ 613.2	$ 518.3	$ 517.5