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Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2013

Fair Value Disclosures [Abstract]

Schedule of Financial Instruments Recorded at Fair Value

Financial Instruments Recorded at Fair Value

	Fair Value Measurements (in millions)
	December 31, 2013												December 31, 2012
	Level 1		Level 2				Level 3		Total				Level 1		Level 2				Level 3		Total
Assets:
Cash equivalents (a)	—		$	312.7			—		$	312.7			—		$	292.2			—		$	292.2
Deferred compensation asset (b)	—		3.1				—		3.1				—		2.7				—		2.7
Liabilities:
Deferred compensation obligation (b)	—		3.0				—		3.0				—		2.7				—		2.7

Schedule of Fair Value of Debt

The balance sheet carrying amounts and estimated fair values of USEC’s debt follow (in millions):

	December 31, 2013								December 31, 2012
	Carrying Value				Fair Value				Carrying Value				Fair Value
Credit facility term loan	$	—			$	—			$	83.2			$	93.5
Convertible preferred stock and accrued dividends payable-in-kind	113.9				113.9				100.5				100.5
3.0% convertible senior notes, due October 1, 2014	530.0				184.1				530.0				198.2

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The entire disclosure of the fair value measurement of assets and liabilities, which includes financial instruments measured at fair value that are classified in shareholders' equity, which may be measured on a recurring or nonrecurring basis.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19279-110258



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19190-110258



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

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