XML 64 R49.htm IDEA: XBRL DOCUMENT v3.3.1.900

Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Sep. 30, 2014
Summary of Significant Accounting Policies [Abstract]
Fresh-Start Adjustment, Increase (Decrease), Inventories		$ 35.4
Finite-Lived Intangible Asset, Useful Life	15 years

X

- Definition

Summary of Significant Accounting Policies [Abstract]

+ References

No definition available.

+ Details

Name:	leu_SummaryofSignificantAccountingPoliciesAbstract
Namespace Prefix:	leu_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of fresh-start adjustment to inventories.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6918054&loc=SL2890621-112765

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=34712771&loc=d3e56426-112766

+ Details

Name:	us-gaap_FreshStartAdjustmentIncreaseDecreaseInventories
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant