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Segment Information (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Segment Reporting Information, Revenue for Reportable Segment [Abstract] |
Revenue from External Customers by Geographic Areas | The following table presents revenue from SWU and uranium sales disaggregated by geographical region, including foreign countries representing 10% or more of revenue, based on the billing addresses of customers (in millions):
| Year Ended December 31,
| 2022 |  | 2021 |  | 2020
United States | $ | 96.1 |  |  | $ | 108.3 |  |  | $ | 115.0 |
Foreign: |  |  |  |  |
Belgium | 38.3 |  |  | 36.6 |  |  | 35.8 |
Japan | 61.6 |  |  | 34.6 |  |  | 23.4 |
Other | 39.6 |  |  | 6.6 |  |  | 16.3 |
Total foreign | 139.5 |  |  | 77.8 |  |  | 75.5 |
Revenue - SWU and uranium | $ | 235.6 |  |  | $ | 186.1 |  |  | $ | 190.5 |
Revenue by customer location, including customers in a foreign country representing 10% or more of total revenue, follows (in millions):
| Year Ended December 31,
| 2022 |  | 2021 |  | 2020
United States | $ | 154.3 |  |  | $ | 220.5 |  |  | $ | 171.7 |
Foreign: |  |  |  |  |
Belgium | 38.3 |  |  | 36.6 |  |  | 35.8 |
Japan | 61.6 |  |  | 34.6 |  |  | 23.4 |
Other | 39.6 |  |  | 6.6 |  |  | 16.3 |
Total foreign | 139.5 |  |  | 77.8 |  |  | 75.5 |
Total revenue | $ | 293.8 |  |  | $ | 298.3 |  |  | $ | 247.2 |
* less than 10% |  |  |  |  |
Segment Reporting Information | The following table presents the Company’s segment information (in millions):
| Year Ended December 31,
| 2022 |  | 2021 |  | 2020
Revenue |  |  |  |  |
LEU segment: |  |  |  |  |
Separative work units | $ | 196.2 |  |  | $ | 163.3 |  |  | $ | 151.5 |
Uranium | 39.4 |  |  | 22.8 |  |  | 39.0 |
Total | 235.6 |  |  | 186.1 |  |  | 190.5 |
Technical Solutions segment | 58.2 |  |  | 112.2 |  |  | 56.7 |
Total revenue | $ | 293.8 |  |  | $ | 298.3 |  |  | $ | 247.2 |
Segment Gross Profit (Loss) |  |  |  |  |
LEU segment | $ | 130.6 |  |  | $ | 73.0 |  |  | $ | 97.8 |
Technical Solutions segment | (12.7) |  |  | 41.5 |  |  | (0.2) |
Gross profit | $ | 117.9 |  |  | $ | 114.5 |  |  | $ | 97.6 |
The Company’s total assets are not presented for each reportable segment as they are not reviewed by, nor otherwise regularly provided to, the chief operating decision maker. Centrus’ long-term or long-lived assets, which include property, plant and equipment and other assets reported on the Consolidated Balance Sheet, were located in the United States as of December 31, 2022, and December 31, 2021.

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