Consolidated Statements of Operations (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Consolidated Statements of Operations [Abstract]
Net sales	$ 520.5	$ 478.7	$ 467.7
Cost of sales	420.4	390.1	382.5
Gross margin	100.1	88.6	85.2
Operating expenses	97.8	98.4	103.3
Goodwill impairment	1.9	0.4
Gain on disposal of capital assets	(2.4)		(0.4)
Operating income (loss)	2.8	(10.2)	(17.7)
Interest expense, net	2.9	2.8	2.1
Loss from continuing operations before income taxes	(0.1)	(13.0)	(19.8)
Benefit for income taxes		(0.3)	(0.4)
Loss from continuing operations	(0.1)	(12.7)	(19.4)
Income (loss) from discontinued operations, net of taxes	(0.4)	(0.5)	0.5
Net loss	$ (0.5)	$ (13.2)	$ (18.9)
Net loss from continuing operations per share - basic and diluted		$ (0.58)	$ (0.90)
Net income (loss) from discontinued operations per share - basic and diluted	$ (0.02)	$ (0.02)	$ 0.02
Net loss per share - basic and diluted	$ (0.02)	$ (0.60)	$ (0.88)
Weighted average shares outstanding:
Basic shares outstanding - continuing and discontinued operations	22,891,676	22,160,455	21,547,394
Diluted shares outstanding - continuing operations	22,891,676	22,160,455	21,547,394
Diluted shares outstanding - discontinued operations	22,891,676	22,160,455	22,511,294