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Revenue (Tables) | 3 Months Ended
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Mar. 31, 2024
Revenue Recognition and Deferred Revenue [Abstract] |
Disaggregation of revenue | We disaggregate our revenue by geographical region as follows:
Net Sales |  | Three months ended March 31, |
|  | 2024 |  | 2023 |
United States |  | $ | 300.0 |  |  | $ | 342.3 |  |
Iceland |  | 189.5 |  |  | 210.1 |  |
Total |  | $ | 489.5 |  |  | $ | 552.4 |  |

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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 + Details
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