Quarterly Data (Unaudited) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Quarterly Financial Information Disclosure [Abstract]
Net revenue	$ 197.0	$ 175.0	$ 178.6	$ 178.9	$ 232.8	$ 191.9	$ 211.7	$ 224.4	$ 729.5	[1]	$ 860.8	[1]	$ 1,006.7
Gross profit	39.6	31.2	33.9	33.7	55.3	36.1	55.2	42.1	138.4	[1]	188.7	[1]	189.3
Operating Income (Loss)	(12.1)	(55.8)	(20.1)	(16.1)	21.1	(26.5)	0	(14.7)	(104.1)	[1]	(20.1)	[1]	(318.4)
Income (Loss) from Continuing Operations Attributable to Parent	(14.4)	(61.4)	(19.8)	(16.8)	19.2	(26.2)	(1.8)	(15.6)	(112.4)	[1]	(24.4)	[1]	(324.8)
Loss from discontinued businesses, net of income taxes	0	0	(1.6)	(0.7)	(2.5)	(8.7)	(3.3)	(5.5)	(2.3)	[1]	(20.0)	[1]	(15.9)
Net loss	$ (14.4)	$ (61.4)	$ (21.4)	$ (17.5)	$ 16.7	$ (34.9)	$ (5.1)	$ (21.1)	$ (114.7)	[1]	$ (44.4)	[1]	$ (340.7)
(Loss) earnings per common share, continuing operations:
Continuing operations, basic (dollars per share)	$ (0.35)	$ (1.49)	$ (0.48)	$ (0.41)	$ 0.47	$ (0.65)	$ (0.04)	$ (0.39)	$ (2.74)	[1]	$ (0.60)	[1]	$ (8.67)
Continuing operations, diluted (dollars per share)	$ (0.35)	$ (1.49)	$ (0.48)	$ (0.41)	$ 0.47	$ (0.65)	$ (0.04)	$ (0.39)	$ (2.74)	[1]	$ (0.60)	[1]	$ (8.67)
Loss per common share, discontinued operations:
Discontinued operations, basic (dollars per share)	$ 0.00	$ 0.00	$ (0.04)	$ (0.02)	$ (0.06)	$ (0.21)	$ (0.08)	$ (0.14)	$ (0.06)	[1]	$ (0.49)	[1]	$ (0.42)
Discontinued operations, diluted (dollars per share)	$ 0.00	$ 0.00	$ (0.04)	$ (0.02)	$ (0.06)	$ (0.21)	$ (0.08)	$ (0.14)	$ (0.06)	[1]	$ (0.49)	[1]	$ (0.42)
Income (Loss) from Operations before Extraordinary Items, Per Basic and Diluted Share [Abstract]
Basic (dollars per share)	$ (0.35)	$ (1.49)	$ (0.52)	$ (0.43)	$ 0.41	$ (0.86)	$ (0.13)	$ (0.52)	$ (2.80)	[1]	$ (1.10)	[1]	$ (9.09)
Diluted (dollars per share)	$ (0.35)	$ (1.49)	$ (0.52)	$ (0.43)	$ 0.41	$ (0.86)	$ (0.13)	$ (0.52)	$ (2.80)	[1]	$ (1.10)	[1]	$ (9.09)

[1] The sum of the quarterly loss per share may not equal the annual loss per share due to changes in average shares outstanding.