Statement of Consolidated Shareholders' Deficit (Unaudited) - 9 months ended Sep. 30, 2017 - USD ($) $ in Millions	Total	Preferred Stock:	Common Stock:	Capital Surplus:	Accumulated Deficit:	Accumulated Other Comprehensive Loss:	Reclassification of prior net pension actuarial losses, net of tax	Foreign currency translation adjustments	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				2.9
Net loss					(3.3)
Change in other comprehensive income							$ 6.9	$ 6.0
Ending balance at Sep. 30, 2017	$ (403.7)	$ 0.0	$ 0.3	$ 2,322.1	$ (2,221.1)	$ (412.3)			$ (92.7)