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Segment Information (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
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,
| 2023 |  | 2022 |  | 2021
United States | $ | 230.4 |  |  | $ | 96.1 |  |  | $ | 108.3 |
Foreign: |  |  |  |  |
Belgium | 0.1 |  |  | 38.3 |  |  | 36.6 |
Japan | 23.6 |  |  | 61.6 |  |  | 34.6 |
Other | 14.9 |  |  | 39.6 |  |  | 6.6 |
Total foreign | 38.6 |  |  | 139.5 |  |  | 77.8 |
Revenue - SWU and uranium | $ | 269.0 |  |  | $ | 235.6 |  |  | $ | 186.1 |
Revenue by customer location, including customers in a foreign country representing 10% or more of total revenue, follows (in millions):
| Year Ended December 31,
| 2023 |  | 2022 |  | 2021
United States | $ | 281.6 |  |  | $ | 154.3 |  |  | $ | 220.5 |
Foreign: |  |  |  |  |
Belgium | 0.1 |  |  | 38.3 |  |  | 36.6 |
Japan | 23.6 |  |  | 61.6 |  |  | 34.6 |
Other | 14.9 |  |  | 39.6 |  |  | 6.6 |
Total foreign | 38.6 |  |  | 139.5 |  |  | 77.8 |
Total revenue | $ | 320.2 |  |  | $ | 293.8 |  |  | $ | 298.3 |
Segment Reporting Information | The following table presents the Company’s segment information (in millions):
| Year Ended December 31,
| 2023 |  | 2022 |  | 2021
Revenue |  |  |  |  |
LEU segment: |  |  |  |  |
Separative work units | $ | 208.2 |  |  | $ | 196.2 |  |  | $ | 163.3 |
Uranium | 60.8 |  |  | 39.4 |  |  | 22.8 |
Intersegment revenue, eliminated on consolidation | 5.0 |  |  | — |  |  | — |
Total | 274.0 |  |  | 235.6 |  |  | 186.1 |
Technical Solutions segment | 51.2 |  |  | 58.2 |  |  | 112.2 |
Total revenue | 325.2 |  |  | 293.8 |  |  | 298.3 |
Elimination of intersegment revenue | (5.0) |  |  | — |  |  | — |
Total revenue | $ | 320.2 |  |  | $ | 293.8 |  |  | $ | 298.3 |
Segment Gross Profit (Loss) |  |  |  |  |
LEU segment: |  |  |  |  |
LEU segment | $ | 105.1 |  |  | $ | 130.6 |  |  | $ | 73.0 |
Intersegment gross profit, eliminated on consolidation | 2.0 |  |  | — |  |  | — |
Total | 107.1 |  |  | 130.6 |  |  | 73.0 |
Technical Solutions segment: |  |  |  |  |
Technical Solutions segment | 7.0 |  |  | (12.7) |  |  | 41.5 |
Intersegment gross profit, eliminated on consolidation | 3.0 |  |  |  |  |
Total | 10.0 |  |  | (12.7) |  |  | 41.5 |
Elimination of intersegment gross profit | (5.0) |  |  | — |  |  | — |
Gross profit | $ | 112.1 |  |  | $ | 117.9 |  |  | $ | 114.5 |
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, 2023, and December 31, 2022.

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- Definition Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph a -SubTopic 10 -Topic 280 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-41 + Details
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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-25 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 + Details
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