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v2.4.1.9

Transition Charges (Narrative)(Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Dec. 31, 2014
Restructuring Cost and Reserve [Line Items] |  |  |
Inventory Valuation Adjustments | $ 0.3 us-gaap_InventoryWriteDown | $ 6.6 us-gaap_InventoryWriteDown |
Non-production expenses | 4.7 us-gaap_OtherCostOfOperatingRevenue | 34.9 us-gaap_OtherCostOfOperatingRevenue |
Operating expenses | 4.4 us-gaap_CostOfOtherPropertyOperatingExpense | 27.0 us-gaap_CostOfOtherPropertyOperatingExpense |
Accelerated property, plant and equipment expenses |  | 1.3 leu_AcceleratedProperyPlantAndEquipmentExpenses |
Payments for one-time termination benefits | (2.7)us-gaap_PaymentsForRestructuring |  |
Restructuring Liability Balance | 0.6 leu_RestructuringLiabilityBalance |  | 2.4 leu_RestructuringLiabilityBalance
DOE Share of Paducah Termination Benefit Costs | (0.3)leu_DOEShareofPaducahTerminationBenefitCosts |  |
Special charges for workforce reductions and advisory costs | 0.6 us-gaap_RestructuringCharges |  |
Cash Payable [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
One-time termination benefit costs | 0.9 us-gaap_SeveranceCosts1 / us-gaap_StatementScenarioAxis = leu_CashPayableMember |  |
Severance [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Payments for one-time termination benefits | (2.7)us-gaap_PaymentsForRestructuring / us-gaap_StatementScenarioAxis = leu_SeveranceMember |  |
Restructuring Liability Balance | $ 0.6 leu_RestructuringLiabilityBalance / us-gaap_StatementScenarioAxis = leu_SeveranceMember |  | $ 2.4 leu_RestructuringLiabilityBalance / us-gaap_StatementScenarioAxis = leu_SeveranceMember

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- Definition Other operating costs incurred during the reporting period and may include amounts paid to maintain the property. + 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 210.5-03.2) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(10) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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