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v3.3.1.900

Segment Information (Segment Reporting Information) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Sep. 30, 2014 | Dec. 31, 2015 | Dec. 31, 2014
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total Revenue |  |  |  |  | $ 123.6 |  |  |  | $ 390.5 | $ 418.2 | $ 514.1
Gross Profit |  |  |  |  |  |  |  |  |  |  | (41.3)
Low Enriched Uranium Segment [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue, Goods |  |  |  |  |  |  |  |  |  |  | 449.3
Gross Profit |  |  |  |  |  |  |  |  |  |  | (39.7)
Contract Services Segment [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue, Contract Services |  |  |  |  |  |  |  |  |  |  | 64.8
Gross Profit |  |  |  |  |  |  |  |  |  |  | (1.6)
Separative Work Units [Member] | Low Enriched Uranium Segment [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue, Goods |  |  |  |  |  |  |  |  |  |  | 448.5
Uranium [Member] | Low Enriched Uranium Segment [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue, Goods |  |  |  |  |  |  |  |  |  |  | $ 0.8
Successor [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue, Contract Services |  |  |  |  | 21.8 |  |  |  |  |  |
Total Revenue | $ 157.9 | $ 29.2 | $ 63.3 | $ 167.8 | 123.6 |  |  |  |  | 418.2 |
Gross Profit | $ 82.1 | $ (24.4) | $ 4.3 | $ 6.9 | (18.5) |  |  |  |  | 68.9 |
Successor [Member] | Low Enriched Uranium Segment [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue, Goods |  |  |  |  | 101.8 |  |  |  |  | 355.4 |
Gross Profit |  |  |  |  | (17.8) |  |  |  |  | 70.1 |
Successor [Member] | Contract Services Segment [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue, Contract Services |  |  |  |  | 21.8 |  |  |  |  | 62.8 |
Gross Profit |  |  |  |  | (0.7) |  |  |  |  | (1.2) |
Successor [Member] | Separative Work Units [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue, Goods |  |  |  |  | 101.0 |  |  |  |  |  |
Successor [Member] | Separative Work Units [Member] | Low Enriched Uranium Segment [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue, Goods |  |  |  |  | 101.0 |  |  |  |  | 289.9 |
Successor [Member] | Uranium [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue, Goods |  |  |  |  | 0.8 |  |  |  |  |  |
Successor [Member] | Uranium [Member] | Low Enriched Uranium Segment [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue, Goods |  |  |  |  | $ 0.8 |  |  |  |  | $ 65.5 |
Predecessor [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue, Contract Services |  |  |  |  |  |  |  |  | 43.0 |  |
Total Revenue |  |  |  |  |  | $ 120.7 | $ 121.2 | $ 148.6 | 390.5 |  |
Gross Profit |  |  |  |  |  | $ (5.4) | $ 3.5 | $ (20.9) | (22.8) |  |
Predecessor [Member] | Low Enriched Uranium Segment [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue, Goods |  |  |  |  |  |  |  |  | 347.5 |  |
Gross Profit |  |  |  |  |  |  |  |  | (21.9) |  |
Predecessor [Member] | Contract Services Segment [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue, Contract Services |  |  |  |  |  |  |  |  | 43.0 |  |
Gross Profit |  |  |  |  |  |  |  |  | (0.9) |  |
Predecessor [Member] | Separative Work Units [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue, Goods |  |  |  |  |  |  |  |  | 347.5 |  |
Predecessor [Member] | Separative Work Units [Member] | Low Enriched Uranium Segment [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue, Goods |  |  |  |  |  |  |  |  | 347.5 |  |
Predecessor [Member] | Uranium [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue, Goods |  |  |  |  |  |  |  |  | 0.0 |  |
Predecessor [Member] | Uranium [Member] | Low Enriched Uranium Segment [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue, Goods |  |  |  |  |  |  |  |  | $ 0.0 |  |

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- Definition Revenue earned during the period arising from products sold or services provided under the terms of a contract, not elsewhere specified in the taxonomy. May include government contracts, construction contracts, and any other contract related to a particular project or product. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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