Statement of Consolidated Shareholders' Deficit (Unaudited) - 3 months ended Mar. 31, 2017 - USD ($) $ in Millions	Total	Preferred Stock:	Common Stock:	Capital Surplus:	Accumulated Deficit:	Accumulated Other Comprehensive Loss:	Treasury Stock, At Cost:
Beginning balance at Dec. 31, 2016				$ 2,319.2	$ (2,217.8)	$ (425.2)	$ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity-based compensation	$ (5.3)			(0.9)
Net loss					(25.3)
Reclassification of net pension actuarial losses to net income, net of tax						3.9
Foreign currency translation adjustments						0.5
Ending balance at Mar. 31, 2017	$ (438.0)	$ 0.0	$ 0.3	$ 2,318.3	$ (2,243.1)	$ (420.8)	$ (92.7)