Other (Expense) Income, Net (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Other Nonoperating Income (Expense) [Abstract]
Loss on early extinguishment of debt	$ (45.2)	$ 0	$ (45.2)	$ 0
Losses (gains) on sales of businesses and investments	(0.8)	(3.4)	1.9	(5.2)
Vendor discounts and credit adjustments	0.1	5.0	0.6	9.9
Other (expense) income, net	(0.7)	0.1	2.7	0.4
Total other (expense) income, net	$ (46.6)	$ 1.7	$ (40.0)	$ 5.1