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Revenue (Table)

12 Months Ended

Dec. 31, 2024

Revenue from Contract with Customer [Abstract]

Schedule of disaggregation of revenue

We disaggregate our revenue by geographical region as follows:

						Year ended December 31,
Net Sales						2024						2023						2022
United States						$	1,427.0					$	1,358.6					$	1,737.2
Iceland						793.3						826.8						1,040.1
Total						$	2,220.3					$	2,185.4					$	2,777.3

The table below shows the amount of net sales to external customers for each of the Company's product categories which accounted for 10% or more of consolidated net sales in either period for the years ended December 31, 2024, 2023 and 2022.

						Year ended December 31,
Net Sales						2024						2023						2022
Aluminum						$	1,882.1					$	1,972.6					$	2,750.3
Alumina						338.2						212.8						27.0
Total						$	2,220.3					$	2,185.4					$	2,777.3

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- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-5

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- References

No definition available.

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