Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]
Net sales	$ 174.5	$ 153.3	$ 478.5	$ 426.7
Cost of sales	140.6	122.5	384.6	343.0
Gross margin	33.9	30.8	93.9	83.7
Operating expenses	29.7	27.0	85.8	77.7
Operating income	4.2	3.8	8.1	6.0
Interest expense, net	0.6	0.5	1.9	1.9
Income from continuing operations before income taxes	3.6	3.3	6.2	4.1
Provision for income taxes	0	0.1	0	0.1
Income from continuing operations	3.6	3.2	6.2	4.0
Loss from discontinued operations, net of taxes	(0.1)	(0.2)	(3.5)	(0.4)
Net income	$ 3.5	$ 3.0	$ 2.7	$ 3.6
Net income from continuing operations per share-basic and diluted	$ 0.14	$ 0.13	$ 0.25	$ 0.16
Net loss from discontinued operations per share-basic and diluted		$ (0.01)	$ (0.15)	$ (0.01)
Net income per share-basic and diluted	$ 0.14	$ 0.12	$ 0.11	$ 0.15
Weighted average shares outstanding:
Basic shares outstanding	23.6	22.9	23.5	22.7
Diluted shares outstanding	23.6	22.9	23.5	22.8