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Inventories (Narrative) (Details) - USD ($) $ in Millions	1 Months Ended		6 Months Ended
	May 31, 2022	Mar. 31, 2022	Jun. 30, 2022
Inventory, Net [Abstract]
Separative work units borrowed in period, value	$ 8.5	$ 9.4	$ 5.5

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- Definition

Separative work units borrowed in period, value

+ References

No definition available.

+ Details

Name:	leu_SeparativeWorkUnitsBorrowedInPeriodValue
Namespace Prefix:	leu_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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- References

No definition available.

+ Details

Name:	us-gaap_InventoryNetAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration