Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Net sales	$ 192.0	$ 218.5	$ 395.0	$ 415.9
Cost of sales	153.3	174.2	315.4	334.2
Gross margin	38.7	44.3	79.6	81.7
Operating expenses	34.7	41.0	73.7	80.6
Goodwill impairment			9.5
Restucturing charges	1.5		1.5
Operating income (loss)	2.5	3.3	(5.1)	1.1
Interest expense, net	0.9	1.8	2.2	3.5
Income (loss) from operations before income taxes	1.6	1.5	(7.3)	(2.4)
Income tax expense		11.8		11.1
Income (loss) from continuing operations	1.6	(10.3)	(7.3)	(13.5)
Net income (loss)	$ 1.6	$ (10.3)	$ (7.3)	$ (13.5)
Earnings (loss) per share:
Earnings (loss) from continuing operations per share- basic	$ 0.06	$ (0.40)	$ (0.28)	$ (0.53)
Net earnings (loss) per share - basic	0.06	(0.40)	(0.28)	(0.53)
Earnings (loss) from continuing operations per share- diluted	0.06	(0.40)	(0.28)	(0.53)
Net income (loss) per share- diluted	$ 0.06	$ (0.40)	$ (0.28)	$ (0.53)
Weighted average shares outstanding:
Basic shares outstanding	26.0	25.5	26.0	25.4
Diluted shares outstanding	26.2	25.5	26.0	25.4