Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Net sales	$ 463.4	$ 466.2	$ 1,443.3	$ 1,425.7
Cost of sales	355.9	356.0	1,103.8	1,062.0
Gross profit	107.5	110.2	339.5	363.7
Selling, general and administrative expenses	57.9	55.6	179.7	168.3
Research and development costs	7.0	6.2	20.1	18.3
Loss due to misappropriation of assets, net	60.7	0.0	60.7	0.0
Other (income) expenses, net	(2.8)	2.7	(0.1)	(1.0)
Income (loss) from operations	(15.3)	45.7	79.1	178.1
Interest and other financial expense, net	15.9	12.9	40.8	41.6
Reclassification of actuarial gain from AOCI	0.0	(2.2)	0.0	(6.7)
Income (loss) before earnings in affiliated companies and income taxes	(31.2)	35.0	38.3	143.2
Income tax expense (benefit)	(10.8)	8.9	11.8	45.0
Earnings in affiliated companies, net of tax	0.2	0.1	0.5	0.4
Net income (loss)	$ (20.2)	$ 26.2	$ 27.0	$ 98.6
Weighted-average shares outstanding (in thousands):
Basic (in shares)	58,191	58,572	58,406	59,284
Diluted (in shares)	58,738	59,252	58,942	59,934
Earnings (loss) per share:
Basic (in USD per share)	$ (0.35)	$ 0.45	$ 0.46	$ 1.66
Diluted (in USD per share)	$ (0.35)	$ 0.44	$ 0.46	$ 1.65