CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
NET SALES:
Related parties	$ 404.9	$ 350.6	$ 1,321.5	$ 925.3
Other customers	232.3	230.8	925.9	628.1
Total net sales	637.2	581.4	2,247.4	1,553.4
Cost of goods sold	680.2	526.8	2,181.3	1,498.6
Gross profit (loss)	(43.0)	54.6	66.1	54.8
Selling, general and administrative expenses	8.7	14.2	26.2	39.0
Asset impairment	0.0	0.0	159.4	0.0
Other operating (income) expense - net	(0.2)	0.1	0.2	0.3
Operating income (loss)	(51.5)	40.3	(119.7)	15.5
Interest expense – Hawesville term loan	0.0	(0.6)	0.0	(1.1)
Interest expense	(7.9)	(6.1)	(20.9)	(22.6)
Interest income	0.1	0.0	0.2	0.2
Net gain (loss) on forward and derivative contracts	112.6	(76.7)	287.7	(239.2)
Loss on early extinguishment of debt	0.0	0.0	0.0	(24.7)
Other income (expense) - net	11.6	(2.5)	16.7	0.6
Income (loss) before income taxes	64.9	(45.6)	164.0	(271.3)
Income tax (expense) benefit	(20.6)	(6.8)	(64.6)	43.8
Income (loss) before equity in earnings of joint ventures	44.3	(52.4)	99.4	(227.5)
Equity in earnings (losses) of joint ventures	0.0	0.0	0.0	0.0
Net income (loss)	44.3	(52.4)	99.4	(227.5)
Less: net income allocated to participating securities	2.7	0.0	6.0	0.0
Net income (loss) allocated to common stockholders	$ 41.6	$ (52.4)	$ 93.4	$ (227.5)
INCOME (LOSS) PER COMMON SHARE:
Basic (in dollars per share)	$ 0.46	$ (0.58)	$ 1.02	$ (2.52)
Diluted (in dollars per share)	$ 0.43	$ (0.58)	$ 0.97	$ (2.52)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	91.3	90.1	91.3	90.1
Diluted (in shares)	97.3	90.1	97.6	90.1