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Inventories (Tables) | 3 Months Ended
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Mar. 31, 2020
Inventory, Net [Abstract] |
Schedule of Inventories | Components of inventories are as follows (in millions):
| March 31, 2020 |  | December 31, 2019
| Current Assets |  | Current Liabilities (a) |  | Inventories, Net |  | Current Assets |  | Current Liabilities (a) |  | Inventories, Net
Separative work units | $ | 9.2 |  |  | $ | 2.8 |  |  | $ | 6.4 |  |  | $ | 7.8 |  |  | $ | — |  |  | $ | 7.8 |
Uranium | 58.7 |  |  | 4.6 |  |  | 54.1 |  |  | 56.7 |  |  | 5.6 |  |  | 51.1 |
Total | $ | 67.9 |  |  | $ | 7.4 |  |  | $ | 60.5 |  |  | $ | 64.5 |  |  | $ | 5.6 |  |  | $ | 58.9 |
(a) | Inventories owed to customers and suppliers, included in current liabilities, include SWU and uranium inventories owed to fabricators.

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