STATEMENTS OF CONSOLIDATED (LOSS) INCOME - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Net sales	$ 3,427.9	$ 2,622.0	$ 1,172.7
Costs and expenses:
Cost of products sold, excluding depreciation and amortization and other items	3,180.2	2,348.1	941.3
Depreciation and amortization	106.9	91.5	52.2
Selling, general, administrative, research and development	110.9	118.8	91.2
Goodwill impairment	20.5
Restructuring costs (benefit)	2.2	(0.8)	7.5
Other operating charges (income), net	3.2		(0.6)
Total costs and expenses	3,423.9	2,557.6	1,091.6
Operating income	4.0	64.4	81.1
Other expense:
Interest expense	(48.3)	(49.5)	(40.9)
Other income (expense), net - Notes 9 and 13	6.4	(38.9)	(1.4)
(Loss) income before income taxes	(37.9)	(24.0)	38.8
Income tax benefit (provision)	8.3	5.5	(10.0)
Net (loss) income	$ (29.6)	$ (18.5)	$ 28.8
Net (loss) income per common share:
Basic	$ (1.86)	$ (1.17)	$ 1.82
Diluted	$ (1.86)	$ (1.17)	$ 1.81
Weighted-average number of common shares outstanding (in thousands):
Basic	15,906	15,836	15,802
Diluted	15,906	15,836	15,913