Consolidated Statement of Changes in Stockholders' Equity (Unaudited) - 9 months ended Sep. 30, 2015 - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	(Accumulated Deficit) Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Beginning Balance at Dec. 31, 2014	$ 2,726.5	$ 0.2	$ 2,386.0	$ (467.1)	$ 1,570.5	$ (764.8)	$ 1.7
Net (loss) income	(1,526.6)	0.0	0.0	0.0	(1,526.6)	0.0	7.9
Net loss	(1,518.7)
Net change in unrealized gains on available-for-sale securities (net of $0.1 net tax benefit)	0.2	0.0	0.0	0.0	0.0	0.2	0.0
Net unrealized gains on cash flow hedges (net of $49.8 net tax provision)	83.5	0.0	0.0	0.0	0.0	83.5	0.0
Postretirement plans and workers’ compensation obligations (net of $11.2 net tax provision)	26.8	0.0	0.0	0.0	0.0	26.8	0.0
Foreign currency translation adjustment	(41.5)	0.0	0.0	0.0	0.0	(41.5)	0.0
Dividends paid	(1.4)	0.0	0.0	0.0	(1.4)	0.0	0.0
Share-based compensation for equity-classified awards	18.6	0.0	18.6	0.0	0.0	0.0	0.0
Employee stock purchases	3.4	0.0	3.4	0.0	0.0	0.0	0.0
Repurchase of employee common stock relinquished for tax withholding	(2.0)	0.0	0.0	(2.0)	0.0	0.0	0.0
Defined contribution plan share contribution	19.6	0.0	(1.4)	97.5	(76.5)	0.0	0.0
Consolidation of noncontrolling interests	1.6	0.0	0.0	0.0	0.0	0.0	1.6
Distributions to noncontrolling interests	(6.2)	0.0	0.0	0.0	0.0	0.0	(6.2)
Dividend payable to noncontrolling interests	0.0
Ending Balance at Sep. 30, 2015	$ 1,310.4	$ 0.2	$ 2,406.6	$ (371.6)	$ (34.0)	$ (695.8)	$ 5.0