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Inventories (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Inventory, Net [Abstract] |  |
UF6 units borrowed in period, value |  | $ 22.5
Separative work units valuation change in period | $ 0.3 | $ 2.1

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