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Segment Information | 3 Months Ended
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Mar. 31, 2025
Segment Reporting Information, Revenue for Reportable Segment [Abstract] |
Segment Information | SEGMENT INFORMATION Gross profit is the Company’s measure for segment reporting. There were no intersegment sales in the periods presented. Refer to Note 2, Revenue and Contracts with Customers, for additional details on revenue for each segment. The following table presents the Company’s segment information (in millions):
| Three Months Ended March 31, |  |
| 2025 |  | 2024 |  |  |  |
Revenue |  |  |  |  |  |  |
LEU segment: |  |  |  |  |  |  |
Separative work units | $ | 51.3 |  |  | $ | 23.6 |  |  |  |  |
Uranium | — |  |  | — |  |  |  |  |
Total | 51.3 |  |  | 23.6 |  |  |  |  |
Technical Solutions segment | 21.8 |  |  | 20.1 |  |  |  |  |
Total revenue | $ | 73.1 |  |  | $ | 43.7 |  |  |  |  |
Cost of Sales |  |  |  |  |  |  |
LEU segment: |  |  |  |  |  |  |
Separative work units and uranium | $ | 20.1 |  |  | $ | 23.1 |  |  |  |  |
Total | 20.1 |  |  | 23.1 |  |  |  |  |
Technical Solutions segment | 20.1 |  |  | 16.3 |  |  |  |  |
Total cost of sales | $ | 40.2 |  |  | $ | 39.4 |  |  |  |  |
Segment Gross Profit |  |  |  |  |  |  |
LEU segment | $ | 31.2 |  |  | $ | 0.5 |  |  |  |  |
Technical Solutions segment | 1.7 |  |  | 3.8 |  |  |  |  |
Gross profit | $ | 32.9 |  |  | $ | 4.3 |  |  |  |  |
Reconciliation to Income before income taxes |  |  |  |  |  |  |
Advanced technology costs | $ | 3.0 |  |  | $ | 5.7 |  |  |  |  |
Selling, general and administrative | 8.3 |  |  | 8.1 |  |  |  |  |
Amortization of intangible assets | 1.1 |  |  | 1.1 |  |  |  |  |
Nonoperating components of net periodic benefit loss | 0.9 |  |  | 0.1 |  |  |  |  |
Interest expense | 3.4 |  |  | 0.4 |  |  |  |  |
Investment income | (7.3) |  |  | (2.8) |  |  |  |  |
Extinguishment of long-term debt | (11.8) |  |  | — |  |  |  |  |
Other expense, net | 0.1 |  |  | 0.1 |  |  |  |  |
Income (loss) before income taxes | $ | 35.2 |  |  | $ | (8.4) |  |  |  |  |
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 (“CODM”), the CEO. The CODM uses revenue, cost of sales and gross profit to allocate resources (including personnel and financial or capital resources) for each segment, predominantly in the annual budget and quarterly financial review and forecasting process. The CODM considers budget-to-actual variances on a quarterly basis using revenue, cost of sale and gross profit when making decisions about allocating capital and personnel to the segments. 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 March 31, 2025 and December 31, 2024. Revenue from Major Customers (10% or More of Total Revenue) In the three months ended March 31, 2025, one customer in the LEU segment individually represented $47.6 million of revenue and one customer in the Technical Solutions segment individually represented $21.7 million of revenue. In the three months ended March 31, 2024, one customer in the LEU segment individually represented $18.9 million of revenue and one customer in the Technical Solutions segment individually represented $19.8 million of revenue.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 48 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-48 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards 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