Income Taxes From Continuing Operations (Reconciliation Of Unrecognized Tax Benefits) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income Taxes From Continuing Operations [Abstract]
Unrecognized tax benefits, beginning of year	$ 517.5	$ 439.3	$ 446.9
Additions based on tax positions related to current year	46.6	62.2	33.4
Additions for tax positions of prior years	77.1	101.8	82.3
Reductions for tax positions of prior years	(59.7)	(50.0)	(11.8)
Acquisitions	85.5	5.7	3.0
Lapse of statute of limitations	(124.3)	(32.8)	(104.5)
Settlements	(21.2)	(4.9)	(21.6)
Effect of foreign currency translation	(3.2)	(3.8)	11.6
Unrecognized tax benefits, end of year	$ 518.3	$ 517.5	$ 439.3