Stockholders' Equity Attributable to Parent [Abstract]
Stockholders' Equity Note Disclosure [Text Block]
Stockholders' Equity Note Disclosure [Text Block]
Accounting Policies [Abstract]
New Accounting Pronouncements, Policy [Policy Text Block]
New Accounting Pronouncements, Policy [Policy Text Block]
CONDENSED CONSOLIDATED BALANCE SHEET (Parenthetical) [Abstract]
CONDENSED CONSOLIDATED BALANCE SHEET (Parenthetical) [Abstract]
Statement [Table]
Statement [Table]
Scenario [Axis]
Scenario [Axis]
Scenario, Unspecified [Domain]
Scenario, Unspecified [Domain]
Predecessor [Member]
Predecessor [Member]
Successor [Member]
Successor [Member]
Class of Stock [Axis]
Class of Stock [Axis]
Class of Stock [Domain]
Class of Stock [Domain]
Statement [Line Items]
Statement [Line Items]
Preferred Stock, Par or Stated Value Per Share
Preferred Stock, Par or Stated Value Per Share
Preferred Stock, Shares Authorized
Preferred Stock, Shares Authorized
Preferred Stock, Shares Issued
Preferred Stock, Shares Issued
Common Stock, Par or Stated Value Per Share
Common Stock, Par or Stated Value Per Share
Common Stock, Shares Authorized
Common Stock, Shares Authorized
Common Stock, Shares, Issued
Common Stock, Shares, Issued
Treasury Stock, Shares
Treasury Stock, Shares
Research and Development [Abstract]
Customer [Axis]
Customer [Axis]
Customer [Domain]
Customer [Domain]
Government [Member]
Government [Member]
Scenario, Forecast [Member]
Scenario, Forecast [Member]
Maximum RD&D Program Funding by DOE
Maximum RD&D Program Funding by DOE
Maximum RD&D Program Funding by DOE
ACTDO DOE Funding – Increment 1
ACTDO DOE Funding – Increment 1
ACTDO DOE Funding – Increment 1
RD&D Program Funding by DOE
RD&D Program Funding by DOE
RD&D Program Funding by DOE
RD&D Program Funding by USEC
RD&D Program Funding by USEC
RD&D Program Funding by DOE
RD&D Program Qualifying Expenditures - Total
RD&D Program Qualifying Expenditures To Date
RD&D Program Qualifying Expenditures To Date
RD&D Program Qualifying Expenditures - DOE Share Total
RD&D Program Qualifying Expenditures To Date - DOE Share
RD&D Program Qualifying Expenditures To Date - DOE Share
RD&D Program Qualifying Expenditures – USEC Share Total
RD&D Program Qualifying Expenditures – USEC Share
RD&D Program Qualifying Expenditures – USEC Share
RD&D Program Qualifying Expenditures To Date - DOE Share - Receivable
RD&D Program Qualifying Expenditures To Date - DOE Share - Receivable
RD&D Program Qualifying Expenditures To Date - DOE Share - Receivable
RD&D Program Qualifying Expenditures - DOE Share - Other Income
Other Operating Income
Advanced technology costs
Research and Development Expense
Accounts Receivable, Net, Current [Abstract]
Schedule of Accounts, Notes, Loans and Financing Receivable [Table]
Schedule of Accounts, Notes, Loans and Financing Receivable [Table]
Legal Entity of Counterparty, Type [Axis]
Legal Entity of Counterparty, Type [Axis]
Legal Entity Type of Counterparty [Domain]
Legal Entity Type of Counterparty [Domain]
Corporation [Member]
Corporation [Member]
Government - portion related to retiree benefits [Member]
Government - portion related to retiree benefits [Member]
Government - portion related to retiree benefits [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable, Gross, Noncurrent
Accounts Receivable, Gross, Noncurrent
Proceeds from DOE on Claims
Proceeds from Customers
Accounts Receivable, Net, Noncurrent
Accounts Receivable, Net, Noncurrent
Other long-term liabilities
Other Liabilities, Noncurrent
General Discussion of Pension and Other Postretirement Benefits [Abstract]
Schedule of Defined Benefit Plans Disclosures [Table]
Schedule of Defined Benefit Plans Disclosures [Table]
Defined Benefit Plans Disclosures, Defined Benefit Plans [Axis]
Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]
Defined Benefit Plans [Domain]
Defined Benefit Plan and Other Postretirement Benefit Plan [Domain]
Defined Benefit Pension Plans [Member]
Pension Plan [Member]
Postretirement Health and Life Benefits Plans [Member]
Other Postretirement Benefit Plan [Member]
Service costs
Defined Benefit Plan, Service Cost
Interest costs
Defined Benefit Plan, Interest Cost
Expected return on plan assets (gains)
Defined Benefit Plan, Expected Return on Plan Assets
Amortization of actuarial (gains) losses, net
Defined Benefit Plan, Amortization of Gains (Losses)
Amortization of prior service costs (credits)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)
Curtailment gains
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments
Net benefit costs
Defined Benefit Plan, Net Periodic Benefit Cost
Reorganizations Items, Net [Abstract]
Reorganizations Items, Net [Abstract]
Reorganization Items, Net [Table Text Block]
Reorganization Items, Net [Table Text Block]
Reorganization Items, Net [Table Text Block]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Reduction in amount of third party debt obligations
Reduction in amount of third party debt obligations
Reduction in amount of third party debt obligations
Gain on sale of subsidiary
Gain (Loss) on Disposition of Business
Schedule of Stock by Class [Table]
Schedule of Stock by Class [Table]
Common Class A [Member]
Common Class A [Member]
Common Class B [Member]
Common Class B [Member]
Class of Stock [Line Items]
Class of Stock [Line Items]
Common Stock, Shares Reserved for Future Issuance Under Management Incentive Plan
Common Stock, Capital Shares Reserved for Future Issuance
Earnings Per Share [Abstract]
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-term Debt Instruments [Table]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Domain]
Long-term Debt, Type [Domain]
Convertible Debt [Member]
Convertible Debt [Member]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Interest expense
Interest Expense, Debt
Maximum percentage of common stock shares for preferred stock conversion
Maximum percentage of common stock shares for preferred stock conversion
Maximum percentage of common stock shares for preferred stock conversion under NYSE rules prior to shareholder approval
Maximum number of common stock shares for preferred stock conversion
Maximum number of common stock shares for preferred stock conversion
Maximum number of common stock shares for preferred stock conversion under NYSE rules prior to obtaining shareholder approval
Chapter 11 Filing [Abstract]
Chapter 11 Filing [Abstract]
Total Stock, Shares Authorized
Total Stock, Shares Authorized
Total Stock, Shares Authorized
Long-term debt
Long-term Debt
Convertible senior notes
Long-term Debt, Current Maturities
Convertible Noteholders, Percent of New Common Stock
Convertible Noteholders, Percent of New Common Stock
Convertible Noteholders, Percent of New Common Stock
Convertible Noteholders, New Notes
Convertible Noteholders, New Notes
Convertible Noteholders, New Notes
Preferred Stock, Dividend Rate, Percentage
Preferred Stock, Dividend Rate, Percentage
Preferred Stock, Shares Outstanding
Preferred Stock, Shares Outstanding
Convertible preferred stock (Predecessor), 85,900 shares issued
Other Long-term Debt, Current
Class of Warrant or Right, Outstanding
Class of Warrant or Right, Outstanding
Preferred Investors, Each, Percent of New Common Stock
Preferred Investors, Each, Percent of New Common Stock
Preferred Investors, Each, Percent of New Common Stock
Preferred Investors, Aggregate, Percent of New Common Stock
Preferred Investors, Aggregate, Percent of New Common Stock
Preferred Investors, Aggregate, Percent of New Common Stock
Preferred Investors, Each, New Notes
Preferred Investors, Each, New Notes
Preferred Investors, Each, New Notes
Preferred Investors, Aggregate, New Notes
Preferred Investors, Aggregate, New Notes
Preferred Investors, Aggregate, New Notes
Stockholders, Percent of New Common Stock
Stockholders, Percent of New Common Stock
Stockholders, Percent of New Common Stock
Debtor in possession financing repayments
Debtor in possession financing repayments
Debtor in possession financing repayments
Advanced Technology Costs and Other Income
Research, Development, and Computer Software Disclosure [Text Block]
Net Income (Loss) Per Share
Earnings Per Share [Text Block]
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Text Block]
Income Tax Disclosure [Text Block]
Reorganization under Chapter 11 of US Bankruptcy Code Disclosure
Reorganization under Chapter 11 of US Bankruptcy Code Disclosure [Text Block]
Pension Plan A [Member]
Other Pension Plan [Member]
Pension Plan B [Member]
Pension Plan B [Member]
Pension Plan B [Member]
Pension Plan C [Member]
Pension Plan C [Member]
Pension Plan C [Member]
Expected defined benefit plan contributions for current fiscal year
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year
Expected defined benefit plan contributions for current fiscal year under ERISA
Expected defined benefit plan contributions for current fiscal year under ERISA
Expected defined benefit plan contributions for current fiscal year under ERISA
Expected defined benefit plan contributions for current fiscal year for non-qualified plans
Expected defined benefit plan contributions for current fiscal year for non-qualified plans
Expected defined benefit plan contributions for current fiscal year for non-qualified plans
USEC contributions
Defined Benefit Plan, Contributions by Employer
Defined Benefit Plan, Lump Sum Benefits Paid
Defined Benefit Plan, Lump Sum Benefits Paid
Defined Benefit Plan, Lump Sum Benefits Paid
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate
Defined Benefit Plan, Actuarial Gain (Loss)
Defined Benefit Plan, Actuarial Gain (Loss)
Fresh-Start Adjustment, Increase (Decrease), Accumulated Other Comprehensive Income (Loss)
Fresh-Start Adjustment, Increase (Decrease), Accumulated Other Comprehensive Income (Loss)
Fresh Start Accounting [Abstract]
Fresh Start Accounting [Abstract]
Reconciliation Of Enterprise Value To Estimated Fair Value [Table Text Block]
Reconciliation Of Enterprise Value To Estimated Fair Value [Table Text Block]
Reconciliation Of Enterprise Value To Estimated Fair Value [Table Text Block]
Reconciliation Of Enterprise Value To Estimated Reorganization Value [Table Text Block]
Reconciliation Of Enterprise Value To Estimated Reorganization Value [Table Text Block]
Reconciliation Of Enterprise Value To Estimated Reorganization Value [Table Text Block]
Schedule of Fresh-Start Adjustments [Table Text Block]
Schedule of Fresh-Start Adjustments [Table Text Block]
Schedule Of Cash Payments For Reorganization Adjustments [Table Text Block]
Schedule Of Cash Payments For Reorganization Adjustments [Table Text Block]
Schedule Of Cash Payments For Reorganization Adjustments [Table Text Block]
Schedule Of Cumulative Impact Of Reorganization Adjustments [Table Text Block]
Schedule Of Cumulative Impact Of Reorganization Adjustments [Table Text Block]
Schedule Of Cumulative Impact Of Reorganization Adjustments [Table Text Block]
Schedule Of Allocation of Reorganization Value to Assets [Table Text Block]
Schedule Of Allocation of Reorganization Value to Assets [Table Text Block]
Schedule Of Allocation of Reorganization Value to Assets [Table Text Block]
Schedule Of Cumulative Impact Of Fresh Start Adjustments [Table Text Block]
Cumulative Impact Of Fresh Start Adjustments [Table Text Block]
Cumulative Impact Of Fresh Start Adjustments [Table Text Block]
Schedule of Net Benefit Costs
Schedule of Net Benefit Costs [Table Text Block]
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Revenues [Abstract]
Revenues [Abstract]
Separative work units
Separative work units
Revenue derived from sales of the separative work unit (SWU) component of low enriched uranium (LEU).
Uranium
Uranium
Revenue derived from sales of uranium and the uranium component of low enriched uranium (LEU).
Revenue from low enriched uranium segment
Revenue from low enriched uranium segment
Revenue from low enriched uranium segment
Contract services
Contracts Revenue
Total revenue
Revenues
LEU segment gross profit
Gross Profit From Low Enriched Uranium Segment
Gross Profit From Low Enriched Uranium Segment
Contract services segment gross profit
Contracts Gross Profit
Contracts Gross Profit
Gross profit
Gross profits all segments
Gross profits all segments
Income Statement [Abstract]
Revenue:
Cost of Sales:
Cost of Revenue [Abstract]
Separative work units and uranium
Cost of Goods Sold
Contract services
Contract Revenue Cost
Total cost of sales
Cost of Revenue
Gross profit (loss)
Gross Profit
Selling, general and administrative
Selling, General and Administrative Expense
Special charges for workforce reductions and advisory costs
Restructuring Charges
Other (income)
Operating (loss)
Operating Income (Loss)
Interest (income)
Investment Income, Interest
Reorganization items, net
Reorganization Items
Income (loss) from continuing operations before income taxes
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest
Provision (benefit) for income taxes
Income Tax Expense (Benefit)
Income (loss) from continuing operations
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest
Income from discontinued operations
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent
Net income (loss)
Net Income (Loss) Attributable to Parent
Income (loss) from continuing operations - per basic share
Income (Loss) from Continuing Operations, Per Basic Share
Income (loss) from continuing operations - per diluted share
Income (Loss) from Continuing Operations, Per Diluted Share
Net income (loss) per basic share
Earnings Per Share, Basic
Net income (loss) per diluted share
Earnings Per Share, Diluted
Weighted-average number of shares outstanding:
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Weighted average number of shares outstanding - basic
Weighted Average Number of Shares Issued, Basic
Weighted average number of shares outstanding - diluted
Weighted Average Number of Shares Outstanding, Diluted
Statement of Financial Position [Abstract]
ASSETS
Assets [Abstract]
Current Assets
Assets, Current [Abstract]
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value
Accounts receivable
Accounts Receivable, Net, Current
Inventories
Inventory, Net
Deferred costs associated with deferred revenue
Other Deferred Costs, Net
Other current assets
Prepaid Expense and Other Assets, Current
Total current assets
Assets, Current
Property, plant and equipment, net
Property, Plant and Equipment, Net
Deferred income taxes
Deferred Tax Assets, Net, Noncurrent
Deposits for surety bonds
Deposits Assets, Noncurrent
Intangible assets
Intangible Assets, Net (Excluding Goodwill)
Excess reorganization value
Goodwill
Other long-term assets
Other Assets, Noncurrent
Total Assets
Assets
LIABILITIES AND STOCKHOLDERS’ EQUITY (DEFICIT)
Liabilities and Equity [Abstract]
Current Liabilities
Liabilities, Current [Abstract]
Accounts payable and accrued liabilities
Accounts Payable and Accrued Liabilities, Current
Payables under Russian Contract
Accounts Payable, Current
Deferred income taxes
Deferred Tax Liabilities, Net, Current
Inventories owed to customers and suppliers
Inventories owed to customers and suppliers
Cost of SWU and uranium inventories owed related to the transfer of title from USEC to customer at fabricator whereby fabricator has elected to order less material from USEC than is required. Amounts owed are satisfied when fabricator orders future bulk deliveries.
Deferred revenue
Deferred Revenue and Credits, Current
Convertible senior notes (Predecessor)
Short-term Bank Loans and Notes Payable
Total current liabilities
Liabilities, Current
Postretirement health and life benefit obligations
Other Postretirement Defined Benefit Plan, Liabilities, Noncurrent
Pension benefit liabilities
Defined Benefit Pension Plan, Liabilities, Noncurrent
Liabilities subject to compromise
Liabilities Subject to Compromise
Total liabilities
Liabilities, Noncurrent
Commitments and contingencies (Note 19)
Commitments and Contingencies
Common stock
Common Stock, Value, Issued
Excess of capital over par value
Additional Paid in Capital
Retained earnings (deficit)
Retained Earnings (Accumulated Deficit)
Treasury stock
Treasury Stock, Value
Accumulated other comprehensive income (loss), net of tax
Accumulated Other Comprehensive Income (Loss), Net of Tax
Total stockholders’ equity (deficit)
Stockholders' Equity Attributable to Parent
Total Liabilities and Stockholders’ Equity (Deficit)
Liabilities and Equity
Statement of Comprehensive Income [Abstract]
Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Net income (loss)
Gain arising during the period
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax
Curtailment (gain) recognized in net income
Amortization of actuarial (gains) losses, net
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax
Amortization of prior service costs (credits)
Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), before Tax
Other comprehensive income (loss), before tax
Other Comprehensive Income (Loss), before Tax
Income tax expense related to items of other comprehensive income
Other Comprehensive Income (Loss), Tax
Other comprehensive income (loss), net of tax
Other Comprehensive Income (Loss), Net of Tax
Elimination of Predecessor Company accumulated other comprehensive loss
Elimination of Predecessor Company accumulated other comprehensive loss
Elimination of Predecessor Company accumulated other comprehensive loss
Comprehensive income (loss)
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Statement of Stockholders' Equity [Abstract]
Common Stock Par Value $.10 per Share [Member]
Common Stock [Member]
Excess of Capital over Par Value [Member]
Additional Paid-in Capital [Member]
Retained Earnings (Deficit) [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Treasury Stock [Member]
Beginning Balance
Other comprehensive income, net of tax (Note 20)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Net of Tax
Restricted and other common stock issued, net of amortization
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures
Restricted Stock Award, Forfeitures
Restricted Stock Award, Forfeitures
Ending Balance
Elimination of Predecessor Company equity
Elimination of Predecessor Company equity
Elimination of Predecessor Company equity
Issuance of Successor Company common stock and excess of capital over par value
Issuance of Successor Company common stock and excess of capital over par value
Issuance of Successor Company common stock and excess of capital over par value
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment Disclosure
Property, Plant and Equipment Disclosure [Text Block]
Segment Information
Segment Reporting Disclosure [Text Block]
Accounts Payable and Accrued Liabilities [Abstract]
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Share-based Compensation [Abstract]
Restricted stock and restricted stock units
Restricted Stock or Unit Expense
Stock options, performance awards and other
Stock or Unit Option Plan Expense
Expense included in selling, general and administrative and advanced technology costs
Allocated Share-based Compensation Expense
Reorganizations [Abstract]
Restructuring and Related Costs [Table Text Block]
Restructuring and Related Costs [Table Text Block]
Inventory, Net [Abstract]
Inventories
Inventory Disclosure [Text Block]
Commitments and Contingencies Disclosure [Abstract]
ACTDO DOE Funding – Exercised Contract Total
ACTDO DOE Funding – Exercised Contract Total
ACTDO DOE Funding – Exercised Contract Total
ACTDO DOE Funding – Monthly
ACTDO DOE Funding – Monthly
ACTDO DOE Funding – Monthly
ACTDO DOE Funding – Option
ACTDO DOE Funding – Each of Two Options
ACTDO DOE Funding – Each of Two Options
ACTDO DOE Funding – Total
ACTDO DOE Funding – Total
ACTDO DOE Funding – Total
Decontamination and Decommisioning Obligation, Noncurrent
Asset Retirement Obligations, Noncurrent
Cash collateralized surety bonds
Restricted Investments, Noncurrent
NYSE 30-day Average Minimum Market Capitalization
NYSE 30-day average minimum market capitalization
NYSE 30-day average minimum market capitalization
NYSE Minimum 30 Day Average Closing Price
NYSE Minimum 30 Day Average Closing Price
NYSE Minimum 30 Day Average Closing Price
PBGC estimate of potential Portsmouth pension liability
PBGC estimate of potential Portsmouth pension liability
PBGC estimate of potential Portsmouth pension liability
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Finite-Lived Intangible Assets [Table]
Schedule of Finite-Lived Intangible Assets [Table]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Contract-Based Intangible Assets [Member]
Contract-Based Intangible Assets [Member]
Customer-Related Intangible Assets [Member]
Customer-Related Intangible Assets [Member]
Consolidation Items [Axis]
Consolidation Items [Axis]
Consolidation Items [Domain]
Consolidation Items [Domain]
Segments [Axis]
Segments [Axis]
Segments [Domain]
Segments [Domain]
Range [Axis]
Range [Axis]
Range [Domain]
Range [Domain]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets Disclosure [Abstract]
Intangible Assets Disclosure [Abstract]
Schedule of Intangible Assets and Excess Reorganization Value [Table Text Block]
Schedule of Intangible Assets and Excess Reorganization Value [Table Text Block]
Schedule of Intangible Assets and Excess Reorganization Value [Table Text Block]
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Schedule of Net Income Per Share
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Schedule of Securities Excluded from Net Income Per Share
Schedule of Securities Excluded from Net Income Per Share [Table Text Block]
[Table Text Block] for Schedule of Securities Excluded from Net Income Per Share [Table]
Accounts Receivable
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]
Fresh-Start Adjustment, Increase (Decrease), Inventories
Fresh-Start Adjustment, Increase (Decrease), Inventories
Inventories provided by customers and suppliers
Inventories Provided by Customers and Suppliers
Uranium held by USEC to which title was held by customers and suppliers and for which no assets or liabilities were recorded on the balance sheet
Decline in Uranium Quantities Provided by Customers and Suppliers
Decline in Uranium Quantities Provided by Customers and Suppliers
Decline in Uranium Quantities Provided by Customers and Suppliers
Fair Value Disclosures [Abstract]
Schedule of Financial Instruments Recorded at Fair Value
Fair Value, Measurement Inputs, Disclosure [Text Block]
Schedule of Fair Value of Debt
Fair Value of Debt Table Text Block
Fair Value of Debt Table Text Block
Payments of Financing Costs
Payments of Financing Costs
Enterprise Value
Enterprise Value
Enterprise Value
Long-term Debt
Common Stock, Value, Outstanding
Common Stock, Value, Outstanding
Common Stock, Shares, Outstanding
Common Stock, Shares, Outstanding
Shares Issued, Price Per Share
Shares Issued, Price Per Share
Other Liabilities, Fair Value Disclosure
Other Liabilities, Fair Value Disclosure
Reorganization Value
Reorganization Value
Interest Paid
Interest Paid
Payments for Fees
Payments for Fees
Payment of Claims
Payment Of Claims
Payment Of Claims
Payment of Reorganization Adjustments
Payment of Reorganization Adjustments
Payment of Reorganization Adjustments
Liabilities Subject to Compromise, 3% Convertible Senior Notes and Accrued Interest
Liabilities Subject to Compromise, Debt and Accrued Interest
Liabilities Subject to Compromise, Convertible Preferred Stock and Paid-in-Kind Dividends Payable
Liabilities Subject to Compromise, Other Liabilities
Liabilities Subject to Compromise, Accounts Payable and Accrued Liabilities
Liabilities Subject to Compromise, Accounts Payable and Accrued Liabilities
Fresh-Start Adjustment, Increase (Decrease), Prepaid and Other Current Assets
Fresh-Start Adjustment, Increase (Decrease), Prepaid and Other Current Assets
Fresh-Start Adjustment, Increase (Decrease), Other Current Liabilities
Fresh-Start Adjustment, Increase (Decrease), Other Current Liabilities
Revaluation of deferred revenue, net of deferred costs
Revaluation of deferred revenue, net of deferred costs
Revaluation of deferred revenue, net of deferred costs
Fresh-Start Adjustment, Increase (Decrease), Amortizable Intangible Assets
Fresh-Start Adjustment, Increase (Decrease), Amortizable Intangible Assets
Utility Customer Receivables
Utility Customer Receivables
Utility Customer Receivables
DOE pro-rata share of Cooperative Agreement funding
Contract Services Customer Receivables
Contract Services Customer Receivables
Contract Services Customer Receivables
Accounts Receivable, Net
Schedule of Accounts Receivable
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Statement of Cash Flows [Abstract]
Cash Flows from Operating Activities
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
Adjustments to reconcile net income (loss) to net cash (used in) operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation and amortization
Depreciation, Depletion and Amortization
Reorganization items, non-cash
Other Noncash Expense
Transfers and retirements of machinery and equipment
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property
Convertible preferred stock dividends payable-in-kind
Other Noncash Income (Expense)
Gain on sales of assets and subsidiary
Inventory valuation adjustments
Asset Impairment Charges
Changes in operating assets and liabilities:
Increase (Decrease) in Operating Liabilities [Abstract]
Accounts receivable – (increase) decrease
Increase (Decrease) in Accounts Receivable
Inventories, net – (increase) decrease
Increase (Decrease) in Inventories
Payables under Russian Contract – increase (decrease)
Increase (Decrease) in Accounts Payable, Trade
Deferred revenue, net of deferred costs – increase (decrease)
Increase (Decrease) in Deferred Revenue
Accrued depleted uranium disposition - increase (decrease)
Increase (Decrease) in Other Accrued Liabilities
Accounts payable and other liabilities – (decrease)
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Other, net
Increase (Decrease) in Other Operating Assets and Liabilities, Net
Net Cash (Used in) Operating Activities
Net Cash Provided by (Used in) Operating Activities
Cash Flows Provided by Investing Activities
Net Cash Provided by (Used in) Investing Activities [Abstract]
Deposits for surety bonds - net (increase) decrease
Increase (Decrease) in Restricted Cash
Proceeds from sales of assets and subsidiary
Proceeds from Divestiture of Businesses
Net Cash Provided by Investing Activities
Net Cash Provided by (Used in) Investing Activities
Cash Flows Used in Financing Activities
Net Cash Provided by (Used in) Financing Activities [Abstract]
Repayment of credit facility term loan
Repayments of Debt, Maturing in More than Three Months
Payments for deferred financing costs
Common stock issued (purchased), net
Proceeds from (Repurchase of) Equity
Net Cash (Used in) Financing Activities
Net Cash Provided by (Used in) Financing Activities
Net (Decrease)
Cash and Cash Equivalents, Period Increase (Decrease)
Cash and Cash Equivalents at Beginning of Period
Cash and Cash Equivalents at End of Period
Supplemental Cash Flow Information:
Supplemental Cash Flow Information [Abstract]
Interest paid
Interest Paid, Net
Income taxes paid, net of refunds
Income Taxes Paid
Property, Plant and Equipment
Property, Plant and Equipment [Table Text Block]
Schedule of Inventories
Schedule of Inventory, Current [Table Text Block]
Reorganization Items, Net [Text Block]
Reorganization Items, Net [Text Block]
Reorganization Items, Net [Text Block]
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Subsequent Event [Abstract]
Subsequent Event [Abstract]
Subsequent Event [Table]
Subsequent Event [Table]
Title of Individual [Axis]
Title of Individual [Axis]
Relationship to Entity [Domain]
Relationship to Entity [Domain]
Chief Executive Officer [Member]
Chief Executive Officer [Member]
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
Subsequent Event Type [Domain]
Subsequent Event Type [Domain]
Subsequent Event [Line Items]
Subsequent Event [Line Items]
Payments for Postemployment Benefits
Payments for Postemployment Benefits
Officers' Compensation
Officers' Compensation
Severance Costs
Severance Costs
Schedule of Property, Plant and Equipment [Table]
Property, Plant and Equipment [Table]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Domain]
Property, Plant and Equipment, Type [Domain]
Leasehold Improvements [Member]
Leasehold Improvements [Member]
Machinery and Equipment [Member]
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross
Property, Plant and Equipment, Gross
Property, Plant and Equipment, Transfers and Changes
Property, Plant and Equipment, Transfers and Changes
Property, Plant and Equipment, Gross
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Depreciation
Depreciation
Accumulated Depreciation, Depletion and Amortization, Sale or Disposal of Property, Plant and Equipment
Accumulated Depreciation, Depletion and Amortization, Sale or Disposal of Property, Plant and Equipment
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Property, Plant and Equipment, Net
Accumulated Depreciation, Depletion and Amortization, Write-down of Property, Plant and Equipment
Impairment of Long-Lived Assets Held-for-use
Property, Plant and Equipment, Net
Fresh-Start Adjustment, Increase (Decrease), Leasehold Improvements
Fresh-Start Adjustment, Increase (Decrease), Leasehold Improvements
Fresh-Start Adjustment, Increase (Decrease), Other Property and Equipment
Fresh-Start Adjustment, Increase (Decrease), Other Property and Equipment
Fresh-Start Adjustment, Increase (Decrease), Accumulated Depreciation and Amortization
Fresh-Start Adjustment, Increase (Decrease), Accumulated Depreciation and Amortization
Fresh Start Accounting [Text Block]
Fresh Start Accounting [Text Block]
Fresh Start Accounting [Text Block]
Schedule of Accrued Liabilities [Table Text Block]
Schedule of Accrued Liabilities [Table Text Block]
Debt Disclosure [Abstract]
Payment in Kind (PIK) Note [Member]
Payment in Kind (PIK) Note [Member]
Debt Instrument [Axis]
Debt Instrument [Axis]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Variable Rate [Axis]
Variable Rate [Axis]
Variable Rate [Domain]
Variable Rate [Domain]
Debt Instrument, Redemption, Period [Axis]
Debt Instrument, Redemption, Period [Axis]
Debt Instrument, Redemption, Period [Domain]
Debt Instrument, Redemption, Period [Domain]
Debt Disclosure [Text Block]
Debt Disclosure [Text Block]
Inventory, Current [Table]
Inventory, Current [Table]
Inventory [Axis]
Inventory [Axis]
Inventory [Domain]
Inventory [Domain]
Inventory [Line Items]
Inventory [Line Items]
Separative work units inventory
Separative work units inventory
Carrying amount as of the balance sheet date of separative work unit ("SWU") inventory. SWU is held as the SWU component of low enriched uranium. A SWU is the standard measure of uranium enrichment using a standard formula derived from the physics of enrichment. SWU costs are based on production costs and purchase costs. SWU inventory is valued at the lower of cost or market.
Uranium inventory
Uranium Inventory
Carrying amount as of the balance sheet date of uranium inventory. Uranium is held in the form of natural uranium and as the uranium component of low enriched uranium. Uranium inventory is valued at the lower of cost or market.
Materials and supplies
Other Inventory, Supplies, Gross
Inventories
Separative work units owed to customers and suppliers
Separative work units owed to customers and suppliers
Separative work units owed to customers and suppliers
Uranium owed to customers and suppliers
Uranium owed to customers and suppliers
Uranium owed to customers and suppliers
Inventories owed to customers and suppliers
Separative work units net of liability
Separative work units net of liability
Separative work units inventory net of liability
Uranium inventory net of liability
Uranium inventory net of liability
Uranium inventory net of liability
Inventories, net
Inventory net of Liability
Inventory net of Liability
Reorganization items, professional fees
Debtor Reorganization Items, Legal and Advisory Professional Fees
Reorganization items, expense of deferred financing costs
Debtor Reorganization Items, Write-off of Deferred Financing Costs and Debt Discounts
Gain on cancellation of convertible senior notes, net
Gain on cancellation of convertible senior notes, net
Gain on cancellation of convertible senior notes, net
Gain on cancellation of convertible preferred stock, net
Gain on cancellation of convertible preferred stock, net
Gain on cancellation of convertible preferred stock, net
Expense of unamortized restricted stock
Expense of unamortized restricted stock
Expense of unamortized restricted stock
Gain related to the freeze of SERP benefits
Gain related to the freeze of SERP benefits
Gain related to the freeze of SERP benefits
Revaluation of deferred revenue, net of deferred costs
Revaluation of inventory
Revaluation of inventory
Revaluation of inventory
Valuation of intangible assets
Valuation of intangible assets
Valuation of intangible assets
Remeasurement of pension and postretirement benefit obligations
Remeasurement of pension and postretirement benefit obligations
Remeasurement of pension and postretirement benefit obligations
Elimination of Predecessor Company accumulated other comprehensive loss related to pension and postretirement benefit obligations
Elimination of Predecessor Company accumulated other comprehensive loss related to pension and postretirement benefit obligations
Elimination of Predecessor Company accumulated other comprehensive loss related to pension and postretirement benefit obligations
Reorganization items, net
Reorganization items, net, paid
Reorganization Items, Net, Paid
Reorganization Items, Net, Paid
Accrued professional fees, current
Accrued Professional Fees, Current
Long-term debt, fair value
Long-term Debt, Fair Value
Convertible senior notes, fair value
Convertible Debt, Fair Value Disclosures
Debt Instrument, Interest Rate, Stated Percentage
Debt Instrument, Interest Rate, Stated Percentage
Debt Interest Rate, Cash
Debt Interest Rate, Cash
Debt Interest Rate, Cash
Debt Interest Rate, PIK
Debt Interest Rate, PIK
Debt Interest Rate, PIK
Fresh-Start Adjustments [Table]
Fresh-Start Adjustments [Table]
Pre Eliminations [Member]
Pre Eliminations [Member]
Pre Eliminations [Member]
Fresh-Start Adjustments [Axis]
Fresh-Start Adjustments [Axis]
Type of Fresh-Start Adjustment [Domain]
Type of Fresh-Start Adjustment [Domain]
Fresh-Start Adjustment [Line Items]
Fresh-Start Adjustment [Line Items]
Total current assets
Total Assets
Total current liabilities
Total liabilities
Total stockholders’ equity (deficit)
Total Liabilities and Stockholders’ Equity (Deficit)
Fresh-Start Adjustment, Increase (Decrease), Assets [Abstract]
Fresh-Start Adjustment, Increase (Decrease), Assets [Abstract]
Fresh-Start Adjustment, Increase (Decrease), Cash and Cash Equivalents
Fresh-Start Adjustment, Increase (Decrease), Cash and Cash Equivalents
Fresh-Start Adjustment, Increase (Decrease), Prepaid and Other Current Assets
Fresh-Start Adjustment, Increase (Decrease), Current Assets
Fresh-Start Adjustment, Increase (Decrease), Current Assets
Fresh-Start Adjustment, Increase (Decrease), Deferred Income Tax Assets, Noncurrent
Fresh-Start Adjustment, Increase (Decrease), Deferred Income Tax Assets, Noncurrent
Fresh-Start Adjustment, Increase (Decrease), Excess Reorganization Value
Fresh-Start Adjustment, Increase (Decrease), Goodwill
Fresh-Start Adjustment, Increase (Decrease), Other Assets, Noncurrent
Fresh-Start Adjustment, Increase (Decrease), Other Assets, Noncurrent
Fresh-Start Adjustment, Increase (Decrease), Assets
Fresh-Start Adjustment, Increase (Decrease), Assets
Fresh-Start Adjustment, Increase (Decrease), Liabilities [Abstract]
Fresh-Start Adjustment, Increase (Decrease), Liabilities [Abstract]
Fresh-Start Adjustment, Increase (Decrease), Accrued Liabilities
Fresh-Start Adjustment, Increase (Decrease), Accrued Liabilities
Fresh-Start Adjustment, Increase (Decrease), Deferred Income Tax Liabilities, Current
Fresh-Start Adjustment, Increase (Decrease), Deferred Income Tax Liabilities, Current
Fresh-Start Adjustment, Increase (Decrease), Other Current Liabilities
Fresh-Start Adjustment, Increase (Decrease), Other Long-term Debt
Fresh-Start Adjustment, Increase (Decrease), Other Long-term Debt
Fresh-Start Adjustment, Increase (Decrease), Pension Obligations
Fresh-Start Adjustment, Increase (Decrease), Pension Obligations
Fresh-Start Adjustment, Increase (Decrease), Other Postretirement Obligations
Fresh-Start Adjustment, Increase (Decrease), Other Postretirement Obligations
Fresh-Start Adjustment, Increase (Decrease), Liabilities
Fresh-Start Adjustment, Increase (Decrease), Liabilities
Fresh-Start Adjustment, Increase (Decrease), Stockholders' Equity [Abstract]
Fresh-Start Adjustment, Increase (Decrease), Stockholders' Equity [Abstract]
Fresh-Start Adjustment, Increase (Decrease), Common Stock
Fresh-Start Adjustment, Increase (Decrease), Common Stock
Fresh-Start Adjustment, Increase (Decrease), Additional Paid-in Capital
Fresh-Start Adjustment, Increase (Decrease), Additional Paid-in Capital
Fresh-Start Adjustment, Increase (Decrease), Treasury Stock
Fresh-Start Adjustment, Increase (Decrease), Preferred and Common Stock Held in Treasury
Fresh-Start Adjustment, Increase (Decrease), Retained Earnings (Deficit)
Fresh-Start Adjustment, Increase (Decrease), Retained Earnings (Deficit)
Fresh-Start Adjustment, Increase (Decrease), Stockholders' Equity
Fresh-Start Adjustment, Increase (Decrease), Stockholders' Equity
Stock-Based Compensation
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months
Finite-Lived Intangible Assets, Amortization Expense, Year Two
Finite-Lived Intangible Assets, Amortization Expense, Year Two
Finite-Lived Intangible Assets, Amortization Expense, Year Three
Finite-Lived Intangible Assets, Amortization Expense, Year Three
Finite-Lived Intangible Assets, Amortization Expense, Year Four
Finite-Lived Intangible Assets, Amortization Expense, Year Four
Finite-Lived Intangible Assets, Amortization Expense, Year Five
Finite-Lived Intangible Assets, Amortization Expense, Year Five
Finite-Lived Intangible Assets, Amortization Expense, after Year Five
Finite-Lived Intangible Assets, Amortization Expense, after Year Five
Finite-Lived Intangible Assets, Net
Finite-Lived Intangible Assets, Net
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated Other Comprehensive Income (Loss)
Comprehensive Income (Loss) Note [Text Block]
Restructuring and Related Activities [Abstract]
Schedule of Restructuring and Related Costs [Table]
Schedule of Restructuring and Related Costs [Table]
Cash Payable [Member]
Cash Payable [Member]
Cash Payable [Member]
Severance [Member]
Severance [Member]
Severance [Member]
Noncash [Member]
Noncash [Member]
Noncash [Member]
Advisory Costs [Member]
Advisory Costs [Member]
Advisory Costs [Member]
Restructuring Type [Axis]
Restructuring Type [Axis]
Type of Restructuring [Domain]
Type of Restructuring [Domain]
Products and Services [Axis]
Products and Services [Axis]
Products and Services [Domain]
Products and Services [Domain]
Minimum [Member]
Minimum [Member]
Maximum [Member]
Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Cost and Reserve [Line Items]
Inventory Valuation Adjustments
Inventory Write-down
Non-production expenses
Other Cost of Operating Revenue
Site expenses
Cost of Other Property Operating Expense
Accelerated property, plant and equipment expenses
Accelerated propery, plant and equipment expenses
Accelerated propery, plant and equipment expenses
Asset retirement charges
Production Related Impairments or Charges
Power contract losses
Gain (Loss) on Sale of Commodity Contracts
One-time termination benefit costs
Payments for one-time termination benefits
Payments for Restructuring
DOE Share of Paducah Termination Benefit Costs
DOE Share of Paducah Termination Benefit Costs
DOE Share of Paducah Termination Benefit Costs
Structuring advisory costs
Other Restructuring Costs
Restructuring Liability Balance
Restructuring Liability Balance
Restructuring Liability Balance
Restructuring Charges
Segment Reporting Information
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Disclosure Items [Axis]
Fair Value, Hierarchy [Axis]
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Disclosure Items [Domain]
Fair Value Hierarchy [Domain]
Level 2 [Member]
Fair Value, Inputs, Level 2 [Member]
Cash equivalents
Cash and Cash Equivalents, Fair Value Disclosure
Deferred compensation asset
Cash Surrender Value, Fair Value Disclosure
Deferred compensation obligation
Obligations, Fair Value Disclosure
Intangible Assets Disclosure [Text Block]
Goodwill and Intangible Assets Disclosure [Text Block]
Transition Charges
Restructuring and Related Activities Disclosure [Text Block]
Fair Value Measurements
Fair Value Disclosures [Text Block]
Basis of Presentation
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Gain arising during period
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax
Subsequent Events [Text Block]
Subsequent Events [Text Block]
Options excluded from diluted net income per share
Options with exercise price greater than market price
Options with exercise price greater than market price
Warrants excluded from diluted net income per share
Warrants with exercise price greater than market price
Warrants with exercise price greater than market price
Exercise price of excluded options
Investment Options, Exercise Price
Exercise price of excluded warrants
Investment Warrants, Exercise Price
Gain (Loss) on Disposition of Property Plant Equipment
Gain (Loss) on Disposition of Property Plant Equipment
Proceeds from Sale of Property, Plant, and Equipment
Proceeds from Sale of Property, Plant, and Equipment
Net (loss) from continuing operations
Net (loss) from continuing operations - if converted
Net income (loss) from continuing operations - if converted
Net income (loss) from continuing operations - if converted
Net income from discontinued operations - if converted
Net income (loss) from discontinued operations - if converted
Net income (loss) from discontinued operations - if converted
Net (loss) - if converted
Net Income (Loss) Attributable to Parent, Diluted
Weighted average common shares
Less: Weighted average unvested restricted stock
Weighted Average Number of Shares, Restricted Stock
Denominator for basic calculation
Weighted Average Number of Shares Outstanding, Basic
Convertible notes
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities
Convertible preferred stock - equivalent common shares
Total Common Shares Attributable To Conversion Of Debt Securities
Total Common Shares Attributable To Conversion Of Debt Securities
Convertible preferred stock - less: share issuance limitation
Unallowable Common Shares Attributable To Conversion Of Debt Securities
Unallowable Common Shares Attributable To Conversion Of Debt Securities
Convertible preferred stock - net allowable shares
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Preferred Stock
Subtotal
Unadjusted weighted average effect of dilutive securities
Unadjusted weighted average effect of dilutive securities
Less: shares excluded in a period of net loss or antidilution
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Denominator for diluted calculation
Income (Loss) from discontinued operations - per basic and diluted share
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic and Diluted Share
Provision (benefit) for income taxes
Unrecognized tax benefits, period increase (decrease)
Unrecognized Tax Benefits, Period Increase (Decrease)
Pension and Postretirement Health and Life Benefits
Pension and Other Postretirement Benefits Disclosure [Text Block]
Accounts Payable, Other, Current
Accounts Payable, Other, Current
Compensation and Benefits Payable
Compensation and Benefits Payable
Compensation and Benefits Payable
Accrued Severance
Accrued Severance
Accrued Severance
Accrued Lease Turnover, Current
Accrued Lease Turnover, Current
Accrued Lease Turnover, Current
Other Accrued Liabilities, Current
Other Accrued Liabilities, Current
Accounts Payable and Accrued Liabilities, Current
Schedule of Stock-Based Compensation Costs
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]
Document and Entity Information
Document and Entity Information
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Document Type
Document Type
Amendment Flag
Amendment Flag
Document Period End Date
Document Period End Date
Entity Filer Category
Entity Filer Category
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus