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Inventories (Narrative) (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Inventory, Net [Abstract] |  |  |  |  |
Separative work units valuation change in period |  | $ 1.5 | $ 1.5 | $ 3.6 | $ 1.8
Separative work units repaid in period, value | $ (29.8) | $ (12.3) |  | $ (38.8) |

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- Definition Separative work units repaid in period, value + References No definition available. + Details
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- References No definition available. + Details
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