XML 71 R56.htm IDEA: XBRL DOCUMENT v3.3.1.900

Inventories (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Inventory, Net [Abstract]
Nonmonetary transaction, amount of barter transaction	$ 8.3
Inventories provided by customers and suppliers	$ 400.0	$ 600.0

X

- Definition

Uranium held by USEC to which title was held by customers and suppliers and for which no assets or liabilities were recorded on the balance sheet

+ References

No definition available.

+ Details

Name:	leu_InventoriesProvidedByCustomersAndSuppliers
Namespace Prefix:	leu_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

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

X

- Definition

The amount of revenue and expenses for the services received and provided in a nonmonetary arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 605
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=51667831&loc=d3e49171-111630

+ Details

Name:	us-gaap_NonmonetaryTransactionAmountOfBarterTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration