Statement of Consolidated Shareholders' Deficit (Unaudited) - 6 months ended Jun. 30, 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	$ (11.7)			(1.6)
Net loss					(6.3)
Reclassification of net pension actuarial losses to net loss, net of tax						7.8
Foreign currency translation adjustments						2.6
Ending balance at Jun. 30, 2017	$ (410.5)	$ 0.0	$ 0.3	$ 2,320.8	$ (2,224.1)	$ (414.8)	$ (92.7)