Income Taxes (Table 6) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Unrecognized tax benefits, beginning balance	$ 359.7	$ 400.6	$ 475.0
Reductions for tax positions of prior years	102.3	89.9	16.7
Additions for tax positions of prior years	41.5	5.5	42.7
Additions for tax positions of prior years	(14.2)	(124.2)	(133.1)
Foreign currency translation	7.9	2.9	(0.2)
Lapse of statute of limitations	(6.3)	(15.0)	(0.5)
Unrecognized tax benefits, ending balance	$ 490.9	$ 359.7	$ 400.6