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Inventories (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Mar. 31, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Inventory, Net [Abstract] |  |  |  |  |
UF6 units borrowed in period, value |  |  | $ 22.5 |  |
Separative work units valuation change in period | $ 1.5 | $ 0.8 |  | $ 1.8 | $ 2.9

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- Definition UF6 units borrowed in period, value + References No definition available. + Details
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Namespace Prefix: | leu_
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Balance Type: | debit
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- References No definition available. + Details
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