Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Statement [Abstract]
Net sales	[1],[2]	$ 1,903.0	$ 1,789.0	$ 1,577.7
Cost of sales		1,433.2	1,355.8	1,220.6
Gross margin		469.8	433.2	357.1
Selling, general and administrative expenses		176.6	163.8	148.0
Research and technology expenses		57.1	52.7	45.8
Other operating expense (income)		50.0	1.4	(11.9)
Operating income		186.1	215.3	175.2
Interest expense, net		31.2	34.0	36.2
Other expense (income)		0.0	71.6	(10.8)
Income before income taxes, and equity in earnings from affiliated companies		154.9	109.7	149.8
Income tax expense		22.8	12.1	31.6
Income before equity in earnings		132.1	97.6	118.2
Equity in earnings from affiliated companies		0.0	8.1	8.1
Net income		$ 132.1	$ 105.7	$ 126.3
Basic net income per common share:		$ 1.61	$ 1.25	$ 1.5
Diluted net income per common share:		$ 1.59	$ 1.24	$ 1.49
Weighted-average common shares:
Basic		82.3	84.6	84.4
Diluted		83.0	85.5	85.0

[1] Net sales by geography based on the location in which the product sold was manufactured.

[2] Net sales to external customers based on the location to which the product sold was delivered.