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v3.21.2

Segment Information (Segment Reporting Information) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Segment Reporting Information [Line Items] |  |  |  |
Revenue | $ 62.4 | $ 75.7 | $ 118.0 | $ 120.7
Gross Profit | 17.1 | 43.8 | 28.8 | 63.4
Low Enriched Uranium Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Gross Profit | 18.2 | 44.5 | 30.9 | 61.9
Technical Solutions Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Gross Profit | (1.1) | (0.7) | (2.1) | 1.5
Separative Work Units [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue | 45.2 | 58.6 | 83.3 | 89.3
Uranium [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue | 0.0 | 4.8 | 0.0 | 4.8
Product [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue | 45.2 | 63.4 | 83.3 | 94.1
Service [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue | $ 17.2 | $ 12.3 | $ 34.7 | $ 26.6

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