CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Millions	Total	Common Stock Par Value $.10 per Share [Member]	Excess of Capital over Par Value [Member]	Retained Earnings (Deficit) [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance (Predecessor [Member]) at Dec. 31, 2013	$ (458.2)	$ 0.5	$ 1,216.4	$ (1,520.7)	$ (34.3)	$ (120.1)
Net income (loss) \| Predecessor [Member]	(78.8)			(78.8)
Other comprehensive income, net of tax (Note 14) \| Predecessor [Member]	0.3					0.3
Restricted and other common stock issued, net of amortization \| Predecessor [Member]	0.5		0.6		(0.1)
Ending Balance (Predecessor [Member]) at Jun. 30, 2014	(536.2)	0.5	1,217.0	(1,599.5)	(34.4)	(119.8)
Beginning Balance (Successor [Member]) at Dec. 31, 2014	21.6	0.9	58.6	(42.3)	$ 0.0	4.4
Beginning Balance at Dec. 31, 2014	21.6
Net income (loss) \| Successor [Member]	(30.5)			(30.5)
Other comprehensive income, net of tax (Note 14) \| Successor [Member]	(0.1)					(0.1)
Restricted and other common stock issued, net of amortization \| Successor [Member]	0.2		0.2
Ending Balance (Successor [Member]) at Jun. 30, 2015	(8.8)	$ 0.9	$ 58.8	$ (72.8)		$ 4.3
Ending Balance at Jun. 30, 2015	$ (8.8)