Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Net sales	$ 419.5	$ 364.7	$ 1,331.5	$ 1,148.3
Cost of sales	327.9	282.9	1,001.4	890.3
Gross margin	91.6	81.8	330.1	258.0
Selling, general and administrative expenses	35.4	29.0	121.9	107.2
Research and technology expenses	13.4	11.6	40.6	33.8
Other operating (income) expense	(0.8)	0.4	(0.1)	(17.7)
Operating income	43.6	40.8	167.7	134.7
Interest expense, net	7.8	9.0	26.4	27.0
Other income	0.0	0.0	0.0	(0.3)
Income before income taxes, and equity in earnings from affiliated companies	35.8	31.8	141.3	108.0
Income tax (benefit) expense	(0.7)	6.8	22.5	24.2
Income before equity in earnings from affiliated companies	36.5	25.0	118.8	83.8
Equity in earnings from affiliated companies	2.2	1.8	5.1	5.5
Net income	$ 38.7	$ 26.8	$ 123.9	$ 89.3
Basic net income per common share	$ 0.46	$ 0.32	$ 1.46	$ 1.06
Diluted net income (loss) per common share	$ 0.45	$ 0.31	$ 1.45	$ 1.05
Weighted-average common shares:
Basic	84.6	84.4	84.6	84.4
Diluted	85.6	85.1	85.5	85.0