Consolidated Statements of Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Net sales	$ 1,022.8	$ 1,041.3	$ 982.1
Cost of products sold	732.8	762.8	698.7
Gross profit	290.0	278.5	283.4
Selling expense	33.7	35.7	33.3
Research expense	13.5	15.2	17.8
General expense	105.1	90.9	95.9
Total nonmanufacturing expenses	152.3	141.8	147.0
Restructuring and impairment expense	3.7	1.7	8.1
Operating profit	134.0	135.0	128.3
Interest expense	36.1	28.2	26.9
Other (expense) income, net	(1.0)	10.0	0.1
Income from continuing operations before income taxes and income from equity affiliates	96.9	116.8	101.5
Provision for income taxes	15.2	10.7	69.6
Income (Loss) from equity affiliates, net of income taxes	4.1	(11.3)	2.5
Income from continuing operations	85.8	94.8	34.4
(Loss) gain from discontinued operations	0.0	(0.3)	0.1
Net income	$ 85.8	$ 94.5	$ 34.5
Net income (loss) per share - basic:
Income per share from continuing operations (in dollars per share)	$ 2.78	$ 3.08	$ 1.12
Loss per share from discontinued operations (in dollars per share)	0	(0.01)	0
Net income per share - basic (in dollars per share)	2.78	3.07	1.12
Net income (loss) per share – diluted:
Income per share from continuing operations (in dollars per share)	2.76	3.07	1.12
Loss per share from discontinued operations (in dollars per share)	0	(0.01)	0
Net income per share - diluted (in dollars per share)	$ 2.76	$ 3.06	$ 1.12
Weighted average shares outstanding:
Basic (in shares)	30,652,200	30,551,300	30,407,100
Diluted (in shares)	30,838,300	30,692,900	30,549,300