Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Net sales	$ 454.3	$ 393.0	$ 912.0	$ 783.6
Cost of sales	343.5	303.5	673.5	607.4
Gross margin	110.8	89.5	238.5	176.2
Selling, general and administrative expenses	35.7	33.5	86.5	78.2
Research and technology expenses	13.3	11.3	27.2	22.2
Other operating expense (income)	0.5	(19.1)	0.7	(18.1)
Operating income	61.3	63.8	124.1	93.9
Interest expense, net	9.2	8.9	18.6	18.0
Other income	0.0	(0.3)	0.0	(0.3)
Income before income taxes, and equity in earnings from affiliated companies	52.1	55.2	105.5	76.2
Income tax expense	11.5	12.7	23.2	17.4
Income before equity in earnings from affiliated companies	40.6	42.5	82.3	58.8
Equity in earnings from affiliated companies	1.9	2.2	2.9	3.7
Net income	$ 42.5	$ 44.7	$ 85.2	$ 62.5
Basic net income per common share	$ 0.50	$ 0.53	$ 1.01	$ 0.74
Diluted net income (loss) per common share	$ 0.50	$ 0.53	$ 1.00	$ 0.74
Weighted-average common shares:
Basic	84.7	84.4	84.6	84.3
Diluted	85.6	85.0	85.5	84.9