Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Income Statement [Abstract]
Net sales	$ 500.9	$ 466.4	$ 960.4	$ 944.1
Cost of sales	407.9	368.0	788.2	747.6
Gross profit	93.0	98.4	172.2	196.5
Selling, general and administrative expenses	62.7	57.7	121.8	116.1
Research and development costs	7.2	6.5	14.5	13.1
Other expenses, net	1.8	2.1	3.2	4.0
Income from operations	21.3	32.1	32.7	63.3
Interest and other financial expense, net	16.3	19.1	31.0	32.8
Income before earnings in affiliated companies and income taxes	5.0	13.0	1.7	30.5
Income tax expense	3.4	4.6	10.1	13.5
Earnings in affiliated companies, net of tax	0.2	0.6	0.3	1.1
Net income (loss)	$ 1.8	$ 9.0	$ (8.1)	$ 18.1
Weighted-average shares outstanding (in thousands):
Basic (in shares)	56,292	56,153	56,333	56,603
Diluted (in shares)	57,271	56,320	56,333	56,829
Earnings (loss) per share:
Basic (in USD per share)	$ 0.03	$ 0.16	$ (0.14)	$ 0.32
Diluted (in USD per share)	$ 0.03	$ 0.16	$ (0.14)	$ 0.32