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Sale of NAC Subsidiary | 12 Months Ended
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Dec. 31, 2013
Discontinued Operation, Additional Disclosures [Abstract] |
Sale of NAC Subsidiary | SALE OF NAC SUBSIDIARY On January 23, 2013, USEC entered into a stock purchase agreement (the “Stock Purchase Agreement”) with Hitz Holdings U.S.A. Inc. (“Hitz”), a subsidiary of Hitachi Zosen Corporation. Pursuant to the Stock Purchase Agreement, on March 15, 2013, Hitz acquired all of the outstanding shares of USEC’s wholly-owned subsidiary NAC International, Inc. (“NAC”). NAC was acquired by USEC in 2004 and provides transportation and storage systems for spent nuclear fuel and provides nuclear and energy consulting services. USEC recorded a gain on the sale of $35.6 million in the first quarter of 2013, representing the final sale proceeds of $43.2 million less the net carrying amount of NAC assets and liabilities of $5.5 million (including goodwill of $6.8 million) and transaction costs of $2.1 million. The following financial information related to NAC is segregated from continuing operations and reported as discontinued operations (in millions). Results for 2013 reported in discontinued operations are through the date of divestiture of March 15, 2013.
| Years Ended December 31,
| 2013 |  | 2012 |  | 2011
Revenue | $ | 13.7 |  |  | $ | 56.0 |  |  | $ | 71.0 |
Cost of sales | 11.8 |  |  | 47.4 |  |  | 62.2 |
Gross profit | 1.9 |  |  | 8.6 |  |  | 8.8 |
Advanced technology costs | — |  |  | 0.8 |  |  | 1.6 |
Selling, general and administrative | 1.8 |  |  | 5.8 |  |  | 5.7 |
Operating income | 0.1 |  |  | 2.0 |  |  | 1.5 |
Gain on sale of subsidiary | 35.6 |  |  | — |  |  | — |
Income before income taxes | 35.7 |  |  | 2.0 |  |  | 1.5 |
Provision for income taxes | 11.0 |  |  | 0.8 |  |  | 0.8 |
Net income from discontinued operations | $ | 24.7 |  |  | $ | 1.2 |  |  | $ | 0.7 |

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- Definition The entire disclosure for the facts and circumstances leading to the completed or expected disposal, manner and timing of disposal, the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss), amounts of revenues and pretax profit or loss reported in discontinued operations, the segment in which the disposal group was reported, and the classification (whether sold or classified as held for sale) and carrying value of the assets and liabilities comprising the disposal group. Includes all disposal groups, including those classified as components of the entity (discontinued operations). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2941-110230 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e1012-107759 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1510-107760 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e1020-107759 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2443-110228 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1474-107760 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1436-107760 + Details
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