CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Statement [Abstract]
Net sales	$ 561.5	$ 521.1	$ 479.3
Cost of sales	450.4	420.4	390.1
Gross margin	111.1	100.7	89.2
Operating expenses	104.8	98.4	99.0
Goodwill impairment		1.9	0.4
Gain on disposal of capital assets		(2.4)
Operating income (loss)	6.3	2.8	(10.2)
Interest expense, net	2.6	2.9	2.8
Income (loss) from continuing operations before income taxes	3.7	(0.1)	(13.0)
Provision (benefit) for income taxes	0.1		(0.3)
Net income (loss) from continuing operations	3.6	(0.1)	(12.7)
Net loss from discontinued operations, net of taxes	(0.4)	(0.4)	(0.5)
Net income (loss)	$ 3.2	$ (0.5)	$ (13.2)
Net income (loss) from continuing operations per share - basic and diluted	$ 0.15		$ (0.58)
Net loss from discontinued operations per share - basic and diluted	$ (0.02)	$ (0.02)	$ (0.02)
Net income (loss) per share - basic and diluted	$ 0.13	$ (0.02)	$ (0.60)
Weighted average shares outstanding:
Basic shares outstanding	22.8	22.9	22.2
Diluted shares outstanding	22.8	22.9	22.2