Condensed Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Condensed Consolidated Statements of Operations [Abstract]
Net revenue	$ 191.9	$ 227.4	$ 628.0	$ 739.9
Cost of goods sold	155.8	184.3	494.6	593.6
Gross profit	36.1	43.1	133.4	146.3
Operating expenses:
Selling, general and administrative	46.3	45.8	142.1	145.4
Research and development	4.6	4.6	14.3	15.7
Restructuring and other	11.7	(3.6)	18.2	2.0
Total	62.6	46.8	174.6	163.1
Operating loss	(26.5)	(3.7)	(41.2)	(16.8)
Other expense (income):
Interest income	(0.1)	(0.1)	(0.1)	(0.4)
Interest expense	0.7	0.6	2.0	2.4
Other, net	1.1	(0.4)	1.0	2.2
Total	1.7	0.1	2.9	4.2
Loss from continuing operations before income taxes	(28.2)	(3.8)	(44.1)	(21.0)
Income tax (benefit) provision	(2.0)	0	(0.5)	1.5
Loss from continuing operations	(26.2)	(3.8)	(43.6)	(22.5)
Discontinued operations:
Loss from operations of discontinued business, net of income taxes	(8.7)	(2.5)	(17.5)	(8.0)
Net loss	$ (34.9)	$ (6.3)	$ (61.1)	$ (30.5)
Loss per common share — basic:
Continuing operations	$ (0.65)	$ (0.10)	$ (1.08)	$ (0.60)
Discontinued operations	$ (0.21)	$ (0.07)	$ (0.43)	$ (0.21)
(Loss) earnings per common share - basic (dollars per share)	$ (0.86)	$ (0.17)	$ (1.51)	$ (0.81)
Loss per common share — diluted:
Continuing operations	$ (0.65)	$ (0.10)	$ (1.08)	$ (0.60)
Discontinued operations	$ (0.21)	$ (0.07)	$ (0.43)	$ (0.21)
(Loss) earnings per common share - diluted (dollars per share)	$ (0.86)	$ (0.17)	$ (1.51)	$ (0.81)
Weighted average shares outstanding - basic	40.5	37.4	40.5	37.6
Weighted average shares outstanding - diluted	40.5	37.4	40.5	37.6