Consolidated Statements of Operations - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Net sales	$ 1,097.2	$ 1,024.4	$ 1,169.6
Cost of sales	845.5	784.3	930.2
Gross profit	251.7	240.1	239.4
Selling, general and administrative expenses	200.6	166.9	183.9
Research and development expenses	26.5	22.1	27.2
Restructuring, impairment and other asset charges, net	2.5	8.1	3.2
Income from operations	22.1	43.0	25.1
Other income:
Interest expense	(1.1)	(0.7)	(1.4)
Interest income	0.5	0.8	1.2
Other (expenses) income, net	(5.0)	2.6	0.3
Income from operations before income taxes	16.5	45.7	25.2
Income tax (benefit) provision	(1.4)	(1.2)	3.0
Net income	17.9	46.9	22.2
Net (income) loss attributable to noncontrolling interest	(0.1)	0.0	0.1
Net income attributable to controlling interest	$ 17.8	$ 46.9	$ 22.3
Per share data:
Earnings per common share - Basic (in dollars per share)	$ 0.78	$ 2.08	$ 0.99
Earnings per common share - Diluted (in dollars per share)	$ 0.78	$ 2.05	$ 0.98
Weighted average shares outstanding - Basic (in shares)	22,726,767	22,585,515	22,515,161
Weighted average shares outstanding - Diluted (in shares)	22,948,632	22,877,743	22,674,182