Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Net sales	$ 500.4	$ 454.3	$ 972.7	$ 912.0
Cost of sales	373.8	343.5	727.9	673.5
Gross margin	126.6	110.8	244.8	238.5
Selling, general and administrative expenses	39.9	35.7	88.9	86.5
Research and technology expenses	14.7	13.3	29.8	27.2
Other operating expense	0.2	0.5	1.4	0.7
Operating income	71.8	61.3	124.7	124.1
Interest expense, net	8.1	9.2	14.6	18.6
Income before income taxes, and equity in earnings from affiliated companies	63.7	52.1	110.1	105.5
Income tax expense	13.7	11.5	23.6	23.2
Income before equity in earnings from affiliated companies	50.0	40.6	86.5	82.3
Equity in earnings from affiliated companies	0.0	1.9	0.0	2.9
Net income	$ 50.0	$ 42.5	$ 86.5	$ 85.2
Basic net income per common share	$ 0.61	$ 0.5	$ 1.04	$ 1.01
Diluted net income per common share	$ 0.6	$ 0.5	$ 1.03	$ 1
Weighted-average common shares:
Basic	82.5	84.7	83.2	84.6
Diluted	83.2	85.6	84.0	85.5