Consolidated Statements of Operations (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Net sales	$ 294.7	$ 356.6	$ 616.3	$ 680.1
Cost of products sold	270.6	302.9	541.6	586.0
Gross Profit	24.1	53.7	74.7	94.1
Selling, general and administrative expenses	20.7	20.4	44.8	41.4
Loss (gain) on sale or disposal of assets, net	0.2	(2.6)	0.3	(2.5)
Interest (income) expense, net	(2.4)	(1.7)	(5.2)	(3.2)
Loss on extinguishment of debt	0.0	0.0	0.0	11.4
Other (income) expense, net	(0.5)	(2.3)	(1.3)	(11.1)
Income (Loss) Before Income Taxes	6.1	39.9	36.1	58.1
Provision (benefit) for income taxes	1.5	11.0	7.5	14.8
Net Income (Loss)	$ 4.6	$ 28.9	$ 28.6	$ 43.3
Per Share Data:
Basic earnings (loss) per share	$ 0.1	$ 0.66	$ 0.65	$ 0.99
Diluted earnings (loss) per share	$ 0.1	$ 0.62	$ 0.62	$ 0.92