Segment Information

6 Months Ended

Jun. 30, 2011

14. SEGMENT INFORMATION

USEC has two reportable segments: the LEU segment with two components, SWU and uranium, and the contract services segment. The LEU segment is USEC's primary business focus and includes sales of the SWU component of LEU, sales of both the SWU and uranium components of LEU, and sales of uranium. The contract services segment includes work performed for DOE and DOE contractors at the Portsmouth site and the Paducah GDP as well as nuclear energy services and technologies provided by NAC International Inc. Gross profit is USEC's measure for segment reporting. Intersegment sales between the reportable segments were less than $0.1 million in each period presented below and have been eliminated in consolidation.


	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(millions)
Revenue
LEU segment:
Separative work units	$	330.3		$	331.0		$	638.8		$	597.6
Uranium		67.8			69.6			81.8			85.2
		398.1			400.6			720.6			682.8
Contract services segment		56.3			59.1			114.3			121.6
	$	454.4		$	459.7		$	834.9		$	804.4

Segment Gross Profit
LEU segment	$	29.5		$	42.0		$	44.8		$	57.0
Contract services segment		3.7			2.1			2.3			13.8
Gross profit		33.2			44.1			47.1			70.8
Advanced technology costs		33.5			26.0			60.2			51.7
Selling, general and administrative		16.7			14.3			32.2			29.4
Other (income)		-			(10.3	)		(3.7	)		(20.0	)
Operating income (loss)		(17.0	)		14.1			(41.6	)		9.7
Interest expense (income), net		-			-			(0.2	)		(0.1	)
Income (loss) before income taxes	$	(17.0	)	$	14.1		$	(41.4	)	$	9.8

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8595-108599

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8538-108599

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8981-108599

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-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8864-108599

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-Publisher FASB
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-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8933-108599

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 131
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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+ Details