Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - 9 months ended Sep. 30, 2015 - USD ($) shares in Thousands, $ in Millions	Total	Preferred Stock	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Income/(Loss), Foreign Currency Translation Adjustments	Accumulated Other Comprehensive Income/(Loss), Cash Flow Hedges	Accumulated Other Comprehensive Income/(Loss), Employee Benefit Plans	Non-controlling Interests	Series A Preferred Stock	Series A Preferred Stock Preferred Stock	Series A Preferred Stock Common Stock	Series A Preferred Stock Additional Paid-In Capital	Series C Preferred Stock	Series C Preferred Stock Preferred Stock	Series C Preferred Stock Common Stock	Series C Preferred Stock Additional Paid-In Capital	Series C Preferred Stock Accumulated Deficit
Beginning Balance (in shares) at Dec. 31, 2014			77,422								73				0
Beginning Balance at Dec. 31, 2014	$ 1,655.1		$ 0.1	$ 1,831.9	$ (219.1)	$ 0.0	$ 0.0	$ 0.0	$ 0.0		$ 42.2				$ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(128.7)				(128.7)
Other comprehensive income (loss), net of $5.3 total tax effect	3.8					(0.6)	(17.0)	21.4
Transfer to noncontrolling interest from redeemable noncontrolling interest	324.6			4.2					320.4
Acquisition of noncontrolling interests and current year activity	7.2				(0.6)	0.5	0.3	(4.2)	11.2
Exercise of warrants and stock options and other (in shares)			338
Exercise of warrants and stock options and other	0.7			0.7
Conversion of preferred stock to common stock (in shares)												64			563	12,501
Conversion of preferred stock to common stock										$ 0.0	$ (0.2)		$ 0.2	$ 0.0	$ (548.5)		$ 548.5
Deemed distribution for recognition of beneficial conversion feature on preferred stock														$ 0.0			$ 52.0	$ (52.0)
Proceeds from issuance of stock, net of issuance costs (in shares)			15,499												563
Proceeds from issuance of stock, net of issuance costs		$ 548.5	$ 679.6	679.6											$ 548.5
Issuance of common stock for acquisitions, (in shares)			38
Issuance of common stock for acquisitions	1.5			1.5
Issuance of common stock upon conversion of senior notes, net of tax (in shares)			2,512
Issuance of common stock upon conversion of senior notes, net of tax	40.0			40.0
Dividend paid	(2.2)				(2.2)
Stock compensation expense	9.7			9.7
Ending Balance (in shares) at Sep. 30, 2015			108,374								73				0
Ending Balance at Sep. 30, 2015	$ 3,139.8		$ 0.1	$ 3,168.3	$ (402.6)	$ (0.1)	$ (16.7)	$ 17.2	$ 331.6		$ 42.0				$ 0.0