Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Net sales	$ 457.7	$ 390.6
Cost of sales	330.0	303.9
Gross margin	127.7	86.7
Selling, general and administrative expenses	50.8	44.7
Research and technology expenses	13.9	10.9
Other operating expense	0.2	1.0
Operating income (loss)	62.8	30.1
Interest expense, net	9.4	9.1
Income (loss) before income taxes, and equity in earnings from affiliated companies	53.4	21.0
Income tax expense (benefit)	11.7	4.7
Income (loss) before equity in earnings from affiliated companies	41.7	16.3
Equity in earnings (losses) from affiliated companies	1.0	1.5
Net income (loss)	$ 42.7	$ 17.8
Basic net income (loss) per common share	$ 0.50	$ 0.21
Diluted net income (loss) per common share	$ 0.50	$ 0.21
Weighted-average common shares:
Basic	84.6	84.3
Weighted average common shares outstanding - Dilutive (in shares)	85.5	84.9