Other (Expense) Income, Net (Details) - USD ($) $ in Millions	3 Months Ended											12 Months Ended
	Dec. 31, 2015	[1]	Sep. 30, 2015	[1]	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	[1]	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
(Losses) gains on sales of businesses and investments												$ (49.6)	$ 0.8	$ 1.5
Loss on early extinguishment of debt												0.0	10.4	45.2
Vendor discounts and credit adjustments												0.8	3.3	8.6
Other income (expense), net												2.1	(3.9)	2.8
Total other expense, net	$ (10.3)		$ (37.2)		$ 0.5	$ 0.3	$ (0.1)	$ (0.6)	$ (11.2)		$ 1.7	$ (46.7)	$ (10.2)	$ (32.3)

[1] The three months ended December 31, 2015 included pre-tax losses of $12.0 on sales of businesses. The three months ended September 30, 2015 included pre-tax losses of $38.0 on sales of businesses. The three months ended June 30, 2014 included a pre-tax loss of $10.4 related to our early extinguishment of debt.