Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Income Statement [Abstract]
Net sales	$ 198.0	$ 175.7
Cost of sales	159.3	140.2
Gross margin	38.7	35.5
Operating expenses	39.2	37.0
Operating loss	(0.5)	(1.5)
Interest expense, net	1.1	0.6
Loss from continuing operations before income taxes	(1.6)	(2.1)
Benefit from income taxes	(1.1)	(1.2)
Loss from continuing operations	(0.5)	(0.9)
Net loss	$ (0.5)	$ (0.9)
Loss from continuing operations per share - basic and diluted	$ (0.02)	$ (0.04)
Net loss per share - basic and diluted	$ (0.02)	$ (0.04)
Weighted average shares outstanding:
Basic and diluted shares outstanding	25.1	24.7