Business Segments (Reconciliation of Operating Profit (Loss) from Segments to Consolidated) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Reconciliation of reportable segment operating income to consolidated income before income taxes
Segment operating income (loss) from continuing operations	$ (0.1)	$ 3.6	$ 18.0	$ (8.5)
Interest expense	(166.4)	(49.3)	(330.7)	(97.2)
Earnings from equity investments	3.3	0.7	6.4	6.2
Loss on early extinguishment of debt	0.0	(25.9)	0.0	(25.9)
Gain on sale of equity interest	0.0	0.0	0.0	14.5
Other (expense) income, net	(4.3)	3.2	(9.9)	6.1
Net loss from continuing operations before income taxes	(167.5)	(67.7)	(316.2)	(104.8)
Operating Segments
Reconciliation of reportable segment operating income to consolidated income before income taxes
Segment operating income (loss) from continuing operations	55.5	42.4	130.7	65.5
Unallocated corporate costs
Reconciliation of reportable segment operating income to consolidated income before income taxes
Segment operating income (loss) from continuing operations	$ (55.6)	$ (38.8)	$ (112.7)	$ (74.0)