$LEU
CENTRUS ENERGY CORP Stock $leu

$leu Overview Financials Valuation SEC Filings Company Website

2020 Q4 Form 10-K Financial Statement

#000106505921000009 Filed on March 22, 2021

Income Statement

Concept	2020 Q4	2019 Q4	2019 Q3
Revenue	$92.90M	$55.70M	$104.7M
YoY Change	66.79%	-33.53%	207.04%
Cost Of Revenue	$57.90M	$48.90M	$69.20M
YoY Change	18.4%	-47.7%	163.12%
Gross Profit	$35.00M	$6.800M	$35.50M
YoY Change	414.71%	-170.1%	355.13%
Gross Profit Margin	37.67%	12.21%	33.91%
Selling, General & Admin	$10.40M	$9.200M	$8.700M
YoY Change	13.04%	-9.8%	-1.14%
% of Gross Profit	29.71%	135.29%	24.51%
Research & Development	$1.000M	$1.600M	$1.300M
YoY Change	-37.5%	-76.81%	-77.59%
% of Gross Profit	2.86%	23.53%	3.66%
Depreciation & Amortization	$2.600M	$2.500M	$1.900M
YoY Change	4.0%	8.7%	5.56%
% of Gross Profit	7.43%	36.76%	5.35%
Operating Expenses	$11.40M	$10.80M	$10.00M
YoY Change	5.56%	-36.84%	-31.51%
Operating Profit	$20.60M	-$6.700M	$23.10M
YoY Change	-407.46%	-77.36%	-353.85%
Interest Expense	$0.00	$200.0K	-$400.0K
YoY Change	-100.0%	-140.0%	33.33%
% of Operating Profit	0.0%		-1.73%
Other Income/Expense, Net	-$5.000M	$4.100M	$100.0K
YoY Change	-221.95%	-126.45%	-93.75%
Pretax Income	$15.60M	-$2.400M	$22.80M
YoY Change	-750.0%	-94.68%	-392.31%
Income Tax	-$800.0K	$400.0K	$0.00
% Of Pretax Income	-5.13%		0.0%
Net Earnings	$16.40M	-$2.800M	$22.80M
YoY Change	-685.71%	-93.81%	-392.31%
Net Earnings / Revenue	17.65%	-5.03%	21.78%
Basic Earnings Per Share	-$2.55	-$0.49	$2.18
Diluted Earnings Per Share	-$2.55	-$0.49	$2.17
COMMON SHARES
Basic Shares Outstanding	11.32M shares	9.457M shares	9.582M shares
Diluted Shares Outstanding			9.626M shares

Balance Sheet

Concept	2020 Q4	2019 Q4	2019 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$152.0M	$130.7M	$77.20M
YoY Change	16.3%	6.17%	-38.19%
Cash & Equivalents	$152.0M	$130.7M	$77.20M
Short-Term Investments
Other Short-Term Assets	$7.800M	$9.200M	$25.50M
YoY Change	-15.22%	-74.86%	-31.27%
Inventory	$64.80M	$64.50M	$105.2M
Prepaid Expenses
Receivables	$29.60M	$21.10M	$19.10M
Other Receivables	$23.00M	$0.00	$0.00
Total Short-Term Assets	$406.1M	$369.6M	$363.1M
YoY Change	9.88%	-23.72%	-12.84%
LONG-TERM ASSETS
Property, Plant & Equipment	$4.900M	$3.700M	$3.800M
YoY Change	32.43%	-11.9%	-13.64%
Goodwill
YoY Change
Intangibles	$62.80M	$69.50M	$71.90M
YoY Change	-9.64%	-8.55%	-7.94%
Long-Term Investments
YoY Change
Other Assets	$4.900M	$7.400M	$6.700M
YoY Change	-33.78%	957.14%	857.14%
Total Long-Term Assets	$80.20M	$86.30M	$88.10M
YoY Change	-7.07%	-1.03%	-1.45%
TOTAL ASSETS
Total Short-Term Assets	$406.1M	$369.6M	$363.1M
Total Long-Term Assets	$80.20M	$86.30M	$88.10M
Total Assets	$486.3M	$455.9M	$451.2M
YoY Change	6.67%	-20.26%	-10.83%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$21.30M	$8.100M	$13.00M
YoY Change	162.96%	-82.39%	-10.96%
Accrued Expenses	$50.60M	$50.70M	$2.000M
YoY Change	-0.2%
Deferred Revenue	$283.2M	$266.3M	$23.30M
YoY Change	6.35%
Short-Term Debt	$0.00	$6.100M	$6.100M
YoY Change	-100.0%	-81.4%
Long-Term Debt Due	$6.100M	$6.100M	$6.100M
YoY Change	0.0%	-81.4%	-84.4%
Total Short-Term Liabilities	$366.1M	$336.8M	$331.1M
YoY Change	8.7%	-23.23%	-4.42%
LONG-TERM LIABILITIES
Long-Term Debt	$108.0M	$114.1M	$114.1M
YoY Change	-5.35%	-5.07%	-5.07%
Other Long-Term Liabilities	$32.40M	$32.10M	$22.70M
YoY Change	0.93%	119.86%	183.75%
Total Long-Term Liabilities	$32.40M	$792.8M	$786.6M
YoY Change	-95.91%	-11.28%	0.4%
TOTAL LIABILITIES
Total Short-Term Liabilities	$366.1M	$336.8M	$331.1M
Total Long-Term Liabilities	$32.40M	$792.8M	$786.6M
Total Liabilities	$806.9M	$792.8M	$1.118B
YoY Change	1.78%	-40.49%	-1.08%
SHAREHOLDERS EQUITY
Retained Earnings	-$407.7M	-$405.0M	-$402.2M
YoY Change	0.67%	4.25%	17.16%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	-$320.6M	-$336.9M	-$335.4M
YoY Change
Total Liabilities & Shareholders Equity	$486.3M	$455.9M	$451.2M
YoY Change	6.67%	-20.26%	-10.83%

Cashflow Statement

Concept	2020 Q4	2019 Q4	2019 Q3
OPERATING ACTIVITIES
Net Income	$16.40M	-$2.800M	$22.80M
YoY Change	-685.71%	-93.81%	-392.31%
Depreciation, Depletion And Amortization	$2.600M	$2.500M	$1.900M
YoY Change	4.0%	8.7%	5.56%
Cash From Operating Activities	$61.90M	$37.80M	$18.60M
YoY Change	63.76%	1045.45%	-255.0%
INVESTING ACTIVITIES
Capital Expenditures	-$500.0K	-$100.0K	$0.00
YoY Change	400.0%
Acquisitions
YoY Change
Other Investing Activities	$0.00	$0.00	$200.0K
YoY Change		-100.0%	100.0%
Cash From Investing Activities	-$500.0K	-$100.0K	$200.0K
YoY Change	400.0%	-200.0%	100.0%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-62.20M	-1.200M	-30.70M
YoY Change	5083.33%	-76.0%	890.32%
NET CHANGE
Cash From Operating Activities	61.90M	37.80M	18.60M
Cash From Investing Activities	-500.0K	-100.0K	200.0K
Cash From Financing Activities	-62.20M	-1.200M	-30.70M
Net Change In Cash	-800.0K	36.50M	-11.90M
YoY Change	-102.19%	-2381.25%	-20.67%
FREE CASH FLOW
Cash From Operating Activities	$61.90M	$37.80M	$18.60M
Capital Expenditures	-$500.0K	-$100.0K	$0.00
Free Cash Flow	$62.40M	$37.90M	$18.60M
YoY Change	64.64%	1048.48%	-255.0%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2020	dei	Entity Registrant Name EntityRegistrantName	CENTRUS ENERGY CORP
CY2020	dei	Entity Registrant Name EntityRegistrantName	CENTRUS ENERGY CORP
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0001065059
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0001065059
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Amendment Flag AmendmentFlag	false
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	us-gaap:OtherAssets
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	us-gaap:OtherAssets
CY2020Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2019Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2019Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	us-gaap:OtherLiabilitiesNoncurrent
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	us-gaap:OtherLiabilitiesNoncurrent
CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Entity File Number EntityFileNumber	1-14287
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	52-2107911
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	6901 Rockledge Drive, Suite 800
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Bethesda
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Bethesda
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	MD
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	20817
CY2020	dei	City Area Code CityAreaCode	(301)
CY2020	dei	Local Phone Number LocalPhoneNumber	564-3200
CY2020	dei	Security12b Title Security12bTitle	Class A Common Stock, par value $0.10 per share
CY2020	dei	Trading Symbol TradingSymbol	LEU
CY2020	dei	Security Exchange Name SecurityExchangeName	NYSEAMER
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2020	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	dei	Entity Small Business EntitySmallBusiness	true
CY2020	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	3700000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	64500000	USD
CY2020Q4	us-gaap	Other Deferred Costs Net OtherDeferredCostsNet	151900000	USD
CY2020	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
CY2020	dei	Entity Shell Company EntityShellCompany	false
CY2020Q2	dei	Entity Public Float EntityPublicFloat	64500000	USD
CY2021Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	12660676	shares
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	152000000.0	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	130700000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	29600000	USD
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	21100000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	64800000	USD
CY2019Q4	us-gaap	Other Deferred Costs Net OtherDeferredCostsNet	144100000	USD
CY2020Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	7800000	USD
CY2019Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	9200000	USD
CY2020Q4	us-gaap	Assets Current AssetsCurrent	406100000	USD
CY2019Q4	us-gaap	Assets Current AssetsCurrent	369600000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4900000	USD
CY2020Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	50600000	USD
CY2019Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	50700000	USD
CY2020Q4	us-gaap	Deposits Assets Noncurrent DepositsAssetsNoncurrent	5700000	USD
CY2019Q4	us-gaap	Deposits Assets Noncurrent DepositsAssetsNoncurrent	5700000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	62800000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	69500000	USD
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	6800000	USD
CY2019Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	7400000	USD
CY2020Q4	us-gaap	Assets Assets	486300000	USD
CY2019Q4	us-gaap	Assets Assets	455900000	USD
CY2020Q4	leu	Accounts Payable Under Purchase Agreements Current AccountsPayableUnderPurchaseAgreementsCurrent	21300000	USD
CY2019Q4	leu	Accounts Payable Under Purchase Agreements Current AccountsPayableUnderPurchaseAgreementsCurrent	8100000	USD
CY2020Q4	leu	Inventories Owed To Customers And Suppliers InventoriesOwedToCustomersAndSuppliers	4900000	USD
CY2019Q4	leu	Inventories Owed To Customers And Suppliers InventoriesOwedToCustomersAndSuppliers	5600000	USD
CY2020Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	283200000	USD
CY2019Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	266300000	USD
CY2020Q4	us-gaap	Debt Current DebtCurrent	6100000	USD
CY2019Q4	us-gaap	Debt Current DebtCurrent	6100000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	366100000	USD
CY2019Q4	us-gaap	Liabilities Current LiabilitiesCurrent	336800000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	108000000.0	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	114100000	USD
CY2020Q4	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent	130800000	USD
CY2019Q4	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent	138600000	USD
CY2020Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	124400000	USD
CY2019Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	141800000	USD
CY2020Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	45200000	USD
CY2019Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	29400000	USD
CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	32400000	USD
CY2019Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	32100000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	806900000	USD
CY2019Q4	us-gaap	Liabilities Liabilities	792800000	USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	85000000.0	USD
CY2019Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	61500000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-407700000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-405000000.0	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	800000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1100000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	-320600000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	-336900000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	486300000	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	455900000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	247200000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	209700000	USD
CY2020	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	149600000	USD
CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	177200000	USD
CY2020	us-gaap	Gross Profit GrossProfit	97600000	USD
CY2019	us-gaap	Gross Profit GrossProfit	32500000	USD
CY2020	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	2800000	USD
CY2019	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	14600000	USD
CY2020	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	36000000.0	USD
CY2019	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	33700000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6800000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6500000	USD
CY2020	us-gaap	Restructuring Charges RestructuringCharges	600000	USD
CY2019	us-gaap	Restructuring Charges RestructuringCharges	-1900000	USD
CY2020	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-400000	USD
CY2019	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	700000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	51000000.0	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	-19700000	USD
CY2020	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-1600000	USD
CY2019	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-4300000	USD
CY2020	us-gaap	Interest Expense Debt InterestExpenseDebt	100000	USD
CY2019	us-gaap	Interest Expense Debt InterestExpenseDebt	3000000.0	USD
CY2020	us-gaap	Investment Income Interest InvestmentIncomeInterest	500000	USD
CY2019	us-gaap	Investment Income Interest InvestmentIncomeInterest	2200000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	53000000.0	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-16200000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1400000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	300000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	54400000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-16500000	USD
CY2020	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	6700000	USD
CY2019	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	7800000	USD
CY2020	us-gaap	Other Preferred Stock Dividends And Adjustments OtherPreferredStockDividendsAndAdjustments	41900000	USD
CY2019	us-gaap	Other Preferred Stock Dividends And Adjustments OtherPreferredStockDividendsAndAdjustments	0	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	5800000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-24300000	USD
CY2020	us-gaap	Paid In Kind Interest PaidInKindInterest	0	USD
CY2019	us-gaap	Paid In Kind Interest PaidInKindInterest	1100000	USD
CY2020	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	0	USD
CY2019	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	700000	USD
CY2020	us-gaap	Other Noncash Expense OtherNoncashExpense	0	USD
CY2019	us-gaap	Other Noncash Expense OtherNoncashExpense	2300000	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	8600000	USD
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.59
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.54
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.57
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.54
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	9825000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	9566000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	10123000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	9566000	shares
CY2020	us-gaap	Net Income Loss NetIncomeLoss	54400000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-16500000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	7300000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	7000000.0	USD
CY2020	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	10600000	USD
CY2019	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	-18300000	USD
CY2020	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-7200000	USD
CY2019	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	4000000.0	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-29300000	USD
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-25800000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-100000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	13200000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-37900000	USD
CY2020	leu	Increase Decreasein Deferred Revenue Netof Deferred Costs IncreaseDecreaseinDeferredRevenueNetofDeferredCosts	9700000	USD
CY2019	leu	Increase Decreasein Deferred Revenue Netof Deferred Costs IncreaseDecreaseinDeferredRevenueNetofDeferredCosts	44000000.0	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	1500000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-12300000	USD
CY2020	us-gaap	Increase Decrease In Pension Plan Obligations IncreaseDecreaseInPensionPlanObligations	-32700000	USD
CY2019	us-gaap	Increase Decrease In Pension Plan Obligations IncreaseDecreaseInPensionPlanObligations	-19500000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	100000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-100000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	67100000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	11300000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1400000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	100000	USD
CY2020	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	0	USD
CY2019	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	700000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1400000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	600000	USD
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	23100000	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2020	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	61600000	USD
CY2019	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	0	USD
CY2020	us-gaap	Repayments Of Debt RepaymentsOfDebt	6100000	USD
CY2019	us-gaap	Repayments Of Debt RepaymentsOfDebt	6100000	USD
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	300000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	USD
CY2020	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	0	USD
CY2019	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	27500000	USD
CY2020	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	100000	USD
CY2019	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	1400000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-44400000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-35000000.0	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	21300000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-23100000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	136600000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	159700000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	157900000	USD
CY2019Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	136600000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	0	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	1500000	USD
CY2020	us-gaap	Notes Issued1 NotesIssued1	0	USD
CY2019	us-gaap	Notes Issued1 NotesIssued1	700000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	-321900000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-16500000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	1200000	USD
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	300000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	-336900000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	54400000	USD
CY2020	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	23100000	USD
CY2020	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	-61600000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-300000	USD
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	700000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	-320600000	USD
CY2020	us-gaap	Use Of Estimates UseOfEstimates	<div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Use of Estimates</span></div><div><span><br/></span></div><div style="text-indent:13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">The preparation of consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect reported amounts presented and disclosed in the consolidated financial statements. Significant estimates and judgments include, but are not limited to, revenue and related costs, asset valuations, pension and postretirement health and life benefit costs and obligations, the tax bases of assets and liabilities, the future recoverability of deferred tax assets, and determination of the valuation allowance for deferred tax assets. Actual results may differ from such estimates, and estimates may change if the underlying conditions or assumptions change.</span></div>
CY2019Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	7900000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	29600000	USD
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	21100000	USD
CY2020	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Concentrations of Credit Risk</span></div><div style="text-indent:13.5pt"><span><br/></span></div><div style="text-indent:13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">Credit risk could result from the possibility of a customer failing to perform or pay according to the terms of a contract. Extension of credit is based on an evaluation of each customer’s financial condition. Centrus regularly monitors credit risk exposure and takes steps intended to mitigate the likelihood of such exposure resulting in a loss.</span></div>
CY2020	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	32600000	USD
CY2020Q4	us-gaap	Billed Contract Receivables BilledContractReceivables	23000000.0	USD
CY2019Q4	us-gaap	Billed Contract Receivables BilledContractReceivables	13200000	USD
CY2020Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	6600000	USD
CY2020Q4	us-gaap	Provision For Loss On Contracts ProvisionForLossOnContracts	7000000.0	USD
CY2019Q4	us-gaap	Provision For Loss On Contracts ProvisionForLossOnContracts	10000000.0	USD
CY2020	leu	Provision For Loss On Contract Change ProvisionForLossOnContractChange	-3000000.0	USD
CY2020Q4	leu	Provisionforlossoncontractsnoncurrent Provisionforlossoncontractsnoncurrent	700000	USD
CY2019Q4	leu	Provisionforlossoncontractsnoncurrent Provisionforlossoncontractsnoncurrent	8300000	USD
CY2020	leu	Provision For Loss On Contracts Noncurrent Change ProvisionForLossOnContractsNoncurrentChange	-7600000	USD
CY2020Q4	us-gaap	Deferred Revenue DeferredRevenue	281700000	USD
CY2019Q4	us-gaap	Deferred Revenue DeferredRevenue	243000000.0	USD
CY2020	leu	Deferred Revenue Change DeferredRevenueChange	38700000	USD
CY2020Q4	leu	Contract With Customer Advances Liability Current ContractWithCustomerAdvancesLiabilityCurrent	1500000	USD
CY2019Q4	leu	Contract With Customer Advances Liability Current ContractWithCustomerAdvancesLiabilityCurrent	23300000	USD
CY2020	leu	Advances From Customers Change AdvancesFromCustomersChange	-21800000	USD
CY2020Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	45200000	USD
CY2019Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	29400000	USD
CY2020	leu	Advances From Customers Noncurrent Change AdvancesFromCustomersNoncurrentChange	15800000	USD
CY2020	leu	Deferred Revenue Additions In Period DeferredRevenueAdditionsInPeriod	38700000	USD
CY2019	leu	Deferred Revenue Additions In Period DeferredRevenueAdditionsInPeriod	49200000	USD
CY2020	us-gaap	Deferred Revenue Revenue Recognized1 DeferredRevenueRevenueRecognized1	0	USD
CY2019	us-gaap	Deferred Revenue Revenue Recognized1 DeferredRevenueRevenueRecognized1	10700000	USD
CY2020Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	960000000	USD
CY2020Q4	leu	Deferred Revenue And Advances From Customers Current And Noncurrent DeferredRevenueAndAdvancesFromCustomersCurrentAndNoncurrent	328000000	USD
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	1000000000.0	USD
CY2020	us-gaap	Nonmonetary Transaction Gross Operating Revenue Recognized NonmonetaryTransactionGrossOperatingRevenueRecognized	23400000	USD
CY2020	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	44400000	USD
CY2020	leu	Separative Work Units Borrowed In Period Value SeparativeWorkUnitsBorrowedInPeriodValue	11200000	USD
CY2020Q4	leu	Separativeworkunitsowedtoothersnoncurrent Separativeworkunitsowedtoothersnoncurrent	20700000	USD
CY2020Q4	leu	Governmentcostshareportion Governmentcostshareportion	115000000	USD
CY2019Q4	leu	Companycostshareportion Companycostshareportion	18300000	USD
CY2020Q4	leu	Provision For Loss ProvisionForLoss	7700000	USD
CY2020Q4	leu	Provision For Loss ProvisionForLoss	7700000	USD
CY2020Q4	us-gaap	Provision For Loss On Contracts ProvisionForLossOnContracts	7000000.0	USD
CY2020Q4	leu	Provision For Loss On Contract Noncurrent ProvisionForLossOnContractNoncurrent	700000	USD
CY2020	leu	Provision For Loss On Contracts Utilized ProvisionForLossOnContractsUtilized	10600000	USD
CY2020Q4	leu	Contract Revenue Portion After Next Twelve Months ContractRevenuePortionAfterNextTwelveMonths	4900000	USD
CY2020Q4	leu	Governmentcostobligation Governmentcostobligation	87400000	USD
CY2020Q4	leu	Governmentcostshareportion Governmentcostshareportion	115000000	USD
CY2020Q4	leu	Governmentcostshareportion Governmentcostshareportion	115000000	USD
CY2019Q4	us-gaap	Restructuring Reserve RestructuringReserve	1400000	USD
CY2020	us-gaap	Severance Costs1 SeveranceCosts1	600000	USD
CY2020	us-gaap	Payments For Restructuring PaymentsForRestructuring	2000000.0	USD
CY2020Q4	us-gaap	Restructuring Reserve RestructuringReserve	0	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	152000000.0	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	130700000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	200000	USD
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	200000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	5700000	USD
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	5700000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	157900000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	136600000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	200000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	5700000	USD
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	200000	USD
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	5700000	USD
CY2020Q4	leu	Separative Work Units Inventory SeparativeWorkUnitsInventory	17000000.0	USD
CY2020Q4	leu	Separative Work Units Owed To Customers And Suppliers SeparativeWorkUnitsOwedToCustomersAndSuppliers	4600000	USD
CY2020Q4	leu	Separative Work Units Net Of Liability SeparativeWorkUnitsNetOfLiability	12400000	USD
CY2019Q4	leu	Separative Work Units Inventory SeparativeWorkUnitsInventory	7800000	USD
CY2019Q4	leu	Separative Work Units Owed To Customers And Suppliers SeparativeWorkUnitsOwedToCustomersAndSuppliers	0	USD
CY2019Q4	leu	Separative Work Units Net Of Liability SeparativeWorkUnitsNetOfLiability	7800000	USD
CY2020Q4	leu	Uranium Inventory UraniumInventory	47800000	USD
CY2020Q4	leu	Uranium Owed To Customers And Suppliers UraniumOwedToCustomersAndSuppliers	300000	USD
CY2020Q4	leu	Uranium Inventory Net Of Liability UraniumInventoryNetOfLiability	47500000	USD
CY2019Q4	leu	Uranium Inventory UraniumInventory	56700000	USD
CY2019Q4	leu	Uranium Owed To Customers And Suppliers UraniumOwedToCustomersAndSuppliers	5600000	USD
CY2019Q4	leu	Uranium Inventory Net Of Liability UraniumInventoryNetOfLiability	51100000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	64800000	USD
CY2020Q4	leu	Inventories Owed To Customers And Suppliers InventoriesOwedToCustomersAndSuppliers	4900000	USD
CY2020Q4	leu	Inventory Net Of Liability InventoryNetOfLiability	59900000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	64500000	USD
CY2019Q4	leu	Inventories Owed To Customers And Suppliers InventoriesOwedToCustomersAndSuppliers	5600000	USD
CY2019Q4	leu	Inventory Net Of Liability InventoryNetOfLiability	58900000	USD
CY2019	us-gaap	Inventory Write Down InventoryWriteDown	2300000	USD
CY2019	us-gaap	Related Party Transaction Purchases From Related Party RelatedPartyTransactionPurchasesFromRelatedParty	7100000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	5900000	USD
CY2020	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	1700000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	7600000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	2200000	USD
CY2020	us-gaap	Depreciation Depreciation	500000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	2700000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	3700000	USD
CY2020	leu	Property Plant And Equipment Net Capital Expenditures PropertyPlantAndEquipmentNetCapitalExpenditures	1200000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4900000	USD
CY2020	us-gaap	Depreciation Depreciation	500000	USD
CY2019	us-gaap	Depreciation Depreciation	600000	USD
CY2019	leu	Salepriceassetsandpropertynet Salepriceassetsandpropertynet	700000	USD
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	700000	USD
CY2020	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P15Y
CY2020Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	123500000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	60700000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	62800000	USD
CY2019Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	123500000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	54000000.0	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	69500000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	8000000.0	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	9600000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	7500000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	9400000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	5800000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	22500000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	62800000	USD
CY2020Q4	us-gaap	Accounts Payable Other Current AccountsPayableOtherCurrent	4900000	USD
CY2019Q4	us-gaap	Accounts Payable Other Current AccountsPayableOtherCurrent	7000000.0	USD
CY2020Q4	leu	Compensation And Benefits Payable CompensationAndBenefitsPayable	22200000	USD
CY2019Q4	leu	Compensation And Benefits Payable CompensationAndBenefitsPayable	13100000	USD
CY2020Q4	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Current PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrent	11600000	USD
CY2019Q4	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Current PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrent	14200000	USD
CY2020Q4	us-gaap	Provision For Loss On Contracts ProvisionForLossOnContracts	7000000.0	USD
CY2019Q4	us-gaap	Provision For Loss On Contracts ProvisionForLossOnContracts	10000000.0	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	2400000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	2500000	USD
CY2020Q4	leu	Accruedseverancepayments Accruedseverancepayments	0	USD
CY2019Q4	leu	Accruedseverancepayments Accruedseverancepayments	1400000	USD
CY2020Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	2500000	USD
CY2019Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	2500000	USD
CY2020Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	50600000	USD
CY2019Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	50700000	USD
CY2020Q4	leu	Subordinationtocreditfacilityfacilitytotal Subordinationtocreditfacilityfacilitytotal	50000000	USD
CY2020Q4	leu	Subordinationtocreditfacilityfacilitymaximumnetborrowing Subordinationtocreditfacilityfacilitymaximumnetborrowing	40000000	USD
CY2020Q4	leu	Subordinationtocreditfacilityfacilitytotal Subordinationtocreditfacilityfacilitytotal	50000000	USD
CY2020Q4	leu	Subordinationtocreditfacilityfacilitymaximumnetborrowing Subordinationtocreditfacilityfacilitymaximumnetborrowing	40000000	USD
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y2M12D
CY2020	us-gaap	Operating Lease Expense OperatingLeaseExpense	2600000	USD
CY2019	us-gaap	Operating Lease Expense OperatingLeaseExpense	2700000	USD
CY2019	us-gaap	Operating Lease Expense OperatingLeaseExpense	2700000	USD
CY2020	leu	Operatingleaseexpenseadjustment Operatingleaseexpenseadjustment	300000	USD
CY2019	leu	Operatingleaseexpenseadjustment Operatingleaseexpenseadjustment	500000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	3200000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	3200000	USD
CY2020Q2	leu	Operating Lease Liability Increase OperatingLeaseLiabilityIncrease	3800000	USD
CY2020Q4	leu	Operating Lease Liability Increase OperatingLeaseLiabilityIncrease	1400000	USD
CY2020	leu	Operating Lease Liability Decrease OperatingLeaseLiabilityDecrease	200000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	4600000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	2400000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	4300000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	6700000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	3200000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1800000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1000000.0	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1000000.0	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	152000000.0	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	130700000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1000000.0	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	1800000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	9800000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	3100000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	6700000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	152000000.0	USD
CY2020Q4	us-gaap	Cash Surrender Value Fair Value Disclosure CashSurrenderValueFairValueDisclosure	2400000	USD
CY2019Q4	us-gaap	Cash Surrender Value Fair Value Disclosure CashSurrenderValueFairValueDisclosure	1800000	USD
CY2020Q4	us-gaap	Fair Value Liabilities Measured On Recurring Basis Obligations FairValueLiabilitiesMeasuredOnRecurringBasisObligations	2300000	USD
CY2019Q4	us-gaap	Fair Value Liabilities Measured On Recurring Basis Obligations FairValueLiabilitiesMeasuredOnRecurringBasisObligations	1800000	USD
CY2020	leu	Pension Plan Assets Transferred For Annuitization PensionPlanAssetsTransferredForAnnuitization	30400000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear	0.060
CY2020	leu	Pension Plan Obligations Transferred For Annuitization PensionPlanObligationsTransferredForAnnuitization	30400000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	757900000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	763500000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear	0.055
CY2020Q4	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate1 DefinedBenefitPlanUltimateHealthCareCostTrendRate1	0.05
CY2019Q4	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate1 DefinedBenefitPlanUltimateHealthCareCostTrendRate1	0.05
CY2020	us-gaap	Defined Benefit Plan Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate	2022
CY2019	us-gaap	Defined Benefit Plan Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate	2022
CY2020Q4	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1
CY2019Q4	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1
CY2020Q4	leu	Fairvalueofinvestmentsbyhierarchylevel Fairvalueofinvestmentsbyhierarchylevel	129100000	USD
CY2019Q4	leu	Fairvalueofinvestmentsbyhierarchylevel Fairvalueofinvestmentsbyhierarchylevel	166900000	USD
CY2020Q4	us-gaap	Us Government Securities At Carrying Value USGovernmentSecuritiesAtCarryingValue	16400000	USD
CY2019Q4	us-gaap	Us Government Securities At Carrying Value USGovernmentSecuritiesAtCarryingValue	32700000	USD
CY2020Q4	leu	Corporatedebt Corporatedebt	104200000	USD
CY2019Q4	leu	Corporatedebt Corporatedebt	121100000	USD
CY2020Q4	us-gaap	Municipal Debt Securities At Carrying Value MunicipalDebtSecuritiesAtCarryingValue	2100000	USD
CY2019Q4	us-gaap	Municipal Debt Securities At Carrying Value MunicipalDebtSecuritiesAtCarryingValue	2100000	USD
CY2020Q4	leu	Mortgageandassetbackedsecurities Mortgageandassetbackedsecurities	6400000	USD
CY2019Q4	leu	Mortgageandassetbackedsecurities Mortgageandassetbackedsecurities	11000000.0	USD
CY2020Q4	leu	Plan Investments Measured At Nav PlanInvestmentsMeasuredAtNAV	504400000	USD
CY2019Q4	leu	Plan Investments Measured At Nav PlanInvestmentsMeasuredAtNAV	453500000	USD
CY2020Q4	leu	Accruedinterestreceivable Accruedinterestreceivable	1300000	USD
CY2019Q4	leu	Accruedinterestreceivable Accruedinterestreceivable	1800000	USD
CY2020Q4	leu	Unsettledtransactionsreceivable Unsettledtransactionsreceivable	-1800000	USD
CY2019Q4	leu	Unsettledtransactionsreceivable Unsettledtransactionsreceivable	-1000000.0	USD
CY2020Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	633000000.0	USD
CY2020Q4	leu	Sharesfor Cancelledor Forfeited Awards SharesforCancelledorForfeitedAwards	120000	shares
CY2019Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	621200000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Expected Future Employer Contributions Next Fiscal Year DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear	11000000.0	USD
CY2020Q4	leu	Expecteddefinedbenefitplancontributionsfornextfiscalyearfornonqualifiedplans Expecteddefinedbenefitplancontributionsfornextfiscalyearfornonqualifiedplans	400000	USD
CY2020Q4	leu	Expecteddefinedbenefitplancontributionsfornextfiscalyearforpostretirementhealthandlifebenefitplans Expecteddefinedbenefitplancontributionsfornextfiscalyearforpostretirementhealthandlifebenefitplans	11600000	USD
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1600000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1700000	USD
CY2015Q3	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	1200000	shares
CY2020Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	374478	shares
CY2020	leu	Stock Appreciation Rights Expense StockAppreciationRightsExpense	6600000	USD
CY2019	leu	Stock Appreciation Rights Expense StockAppreciationRightsExpense	1100000	USD
CY2020	us-gaap	Restricted Stock Expense RestrictedStockExpense	400000	USD
CY2019	us-gaap	Restricted Stock Expense RestrictedStockExpense	200000	USD
CY2020	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	100000	USD
CY2019	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	100000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	7100000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1400000	USD
CY2020	leu	Stock Based Compensation Paid In Cash StockBasedCompensationPaidInCash	1000000.0	USD
CY2019	leu	Stock Based Compensation Paid In Cash StockBasedCompensationPaidInCash	1000000.0	USD
CY2020Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	300000	USD
CY2020Q4	leu	Restrictedstockunitspotentiallyconvertedtocommonstockshares Restrictedstockunitspotentiallyconvertedtocommonstockshares	262000	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	100000	shares
CY2020	us-gaap	Share Based Goods And Nonemployee Services Transaction Valuation Method Risk Free Interest Rate ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodRiskFreeInterestRate	0.0162
CY2020	us-gaap	Share Based Goods And Nonemployee Services Transaction Valuation Method Expected Volatility Rate ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedVolatilityRate	0.73
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Term Simplified Method ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTermSimplifiedMethod	6.5
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	2.44
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	518000	shares
CY2019Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	4.02
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	425000	shares
CY2018Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	4.14
CY2018	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2	P6Y3M18D
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	100000	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	3.65
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	7000	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	3.93
CY2019	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2	P6Y2M12D
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	1500000	USD
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	107000	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	3.43
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	411000	shares
CY2020Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	4.18
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1400000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	300000	USD
CY2020	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2	P5Y3M18D
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	7800000	USD
CY2020Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	311000	shares
CY2020Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	4.35
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y2M12D
CY2020Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	5800000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	500000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	300000	USD
CY2020	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	-1900000	USD
CY2019	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	0	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	4200000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	61800000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	65300000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	16200000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	17800000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	197800000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	182300000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	211100000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	190900000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	2100000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	12600000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	13200000	USD
CY2020Q4	leu	Deferred Tax Asset Lease Liability DeferredTaxAssetLeaseLiability	1500000	USD
CY2019Q4	leu	Deferred Tax Asset Lease Liability DeferredTaxAssetLeaseLiability	2000000.0	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Other DeferredTaxAssetsTaxDeferredExpenseOther	200000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Other DeferredTaxAssetsTaxDeferredExpenseOther	200000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	503300000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	475900000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	486000000.0	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	459500000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	17300000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	16400000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	13900000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	14700000	USD
CY2020Q4	leu	Deferred Tax Liability Lease Asset DeferredTaxLiabilityLeaseAsset	1100000	USD
CY2019Q4	leu	Deferred Tax Liability Lease Asset DeferredTaxLiabilityLeaseAsset	1500000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Other Capitalized Costs DeferredTaxLiabilitiesDeferredExpenseOtherCapitalizedCosts	400000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Other Capitalized Costs DeferredTaxLiabilitiesDeferredExpenseOtherCapitalizedCosts	200000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	15400000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	16400000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	1900000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	0	USD
CY2017Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	749200000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.02
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.02
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.26
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.18
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.01
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	0.01
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	-0.01
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Other EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther	0
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Other EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther	-0.01
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.03
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.01
CY2020	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	13900000	USD
CY2020	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	13900000	USD
CY2019	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	3100000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	-0.18
CY2020Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	800000	USD
CY2019Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	400000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense	400000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense	200000	USD
CY2019Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	400000	USD
CY2018Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	200000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	500000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	300000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	100000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	100000	USD
CY2020Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	800000	USD
CY2019Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	400000	USD
CY2020	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	100000	USD
CY2020Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	100000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	54400000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-16500000	USD
CY2020	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	6700000	USD
CY2019	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	7800000	USD
CY2020	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	41900000	USD
CY2019	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	0	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	5800000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-24300000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	9825000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	9566000	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	298000	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	10123000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	9566000	shares
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.59
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.54
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.57
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.54
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	67000	shares
CY2020	leu	Options With Exercise Price Greater Than Market Price OptionsWithExercisePriceGreaterThanMarketPrice	0	shares
CY2019	leu	Options With Exercise Price Greater Than Market Price OptionsWithExercisePriceGreaterThanMarketPrice	352000	shares
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	12109389	shares
CY2020	us-gaap	Conversion Of Stock Shares Converted1 ConversionOfStockSharesConverted1	398262	shares
CY2019	us-gaap	Conversion Of Stock Shares Converted1 ConversionOfStockSharesConverted1	288620	shares
CY2015Q3	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	1200000	shares
CY2020Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	374478	shares
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	104574	shares
CY2020Q4	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	1000
CY2020Q4	us-gaap	Preferred Stock Value PreferredStockValue	4600000	USD
CY2020	us-gaap	Preferred Stock Dividend Rate Percentage PreferredStockDividendRatePercentage	0.075
CY2020	leu	Preferredstockdividendconditionminimumnetincomeprecedingquarter Preferredstockdividendconditionminimumnetincomeprecedingquarter	7500000	USD
CY2020	leu	Preferredstockdividendconditionminimumfreecashflowpreceingfourquarters Preferredstockdividendconditionminimumfreecashflowpreceingfourquarters	35000000	USD
CY2020Q4	leu	Preferredstockdividendconditionminimumcashbalanceprecedingquarter Preferredstockdividendconditionminimumcashbalanceprecedingquarter	150000000	USD
CY2020Q4	us-gaap	Preferred Stock Liquidation Preference Value PreferredStockLiquidationPreferenceValue	53900000	USD
CY2020Q4	leu	Preferred Stock Cumulative Undeclared Dividend PreferredStockCumulativeUndeclaredDividend	12100000	USD
CY2019Q4	us-gaap	Preferred Stock Liquidation Preference Value PreferredStockLiquidationPreferenceValue	127200000	USD
CY2019Q4	leu	Preferred Stock Cumulative Undeclared Dividend PreferredStockCumulativeUndeclaredDividend	22600000	USD
CY2020Q4	leu	Common Stock Ownership Enabling Preferred Stock Purchase Rights CommonStockOwnershipEnablingPreferredStockPurchaseRights	0.0499
CY2020Q4	leu	Common Stock Ownership Enabling Preferred Stock Purchase Rights Incremental CommonStockOwnershipEnablingPreferredStockPurchaseRightsIncremental	0.005
CY2018Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	104574	shares
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	7500	shares
CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	104574	shares
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	107000	shares
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	41720	shares
CY2020Q4	us-gaap	Gain Contingency Unrecorded Amount GainContingencyUnrecordedAmount	42800000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	247200000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	209700000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	247200000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	209700000	USD
CY2020	us-gaap	Gross Profit GrossProfit	97600000	USD
CY2019	us-gaap	Gross Profit GrossProfit	32500000	USD
CY2020Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	45000000.0	USD
CY2020Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	75700000	USD
CY2020Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	33600000	USD
CY2020Q4	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	92900000	USD
CY2020	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	247200000	USD
CY2020Q1	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	25400000	USD
CY2020Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	31900000	USD
CY2020Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	34400000	USD
CY2020Q4	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	57900000	USD
CY2020	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	149600000	USD
CY2020Q1	us-gaap	Gross Profit GrossProfit	19600000	USD
CY2020Q2	us-gaap	Gross Profit GrossProfit	43800000	USD
CY2020Q3	us-gaap	Gross Profit GrossProfit	-800000	USD
CY2020Q4	us-gaap	Gross Profit GrossProfit	35000000.0	USD
CY2020	us-gaap	Gross Profit GrossProfit	97600000	USD
CY2020Q1	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	900000	USD
CY2020Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	700000	USD
CY2020Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	200000	USD
CY2020Q4	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	1000000.0	USD
CY2020	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	2800000	USD
CY2020Q1	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	8500000	USD
CY2020Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	10400000	USD
CY2020Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	6700000	USD
CY2020Q4	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	10400000	USD
CY2020	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	36000000.0	USD
CY2020Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1400000	USD
CY2020Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1700000	USD
CY2020Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1200000	USD
CY2020Q4	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2500000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6800000	USD
CY2020Q1	us-gaap	Restructuring Charges RestructuringCharges	-100000	USD
CY2020Q2	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2020Q3	us-gaap	Restructuring Charges RestructuringCharges	600000	USD
CY2020Q4	us-gaap	Restructuring Charges RestructuringCharges	100000	USD
CY2020	us-gaap	Restructuring Charges RestructuringCharges	600000	USD
CY2020Q1	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	0	USD
CY2020Q2	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	0	USD
CY2020Q3	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	0	USD
CY2020Q4	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-400000	USD
CY2020	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-400000	USD
CY2020Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	8900000	USD
CY2020Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	31000000.0	USD
CY2020Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	100000	USD
CY2020Q1	us-gaap	Interest Expense Debt InterestExpenseDebt	100000	USD
CY2020Q4	us-gaap	Investment Income Interest InvestmentIncomeInterest	0	USD
CY2020	us-gaap	Investment Income Interest InvestmentIncomeInterest	500000	USD
CY2020Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-9500000	USD
CY2020Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	20600000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	51000000.0	USD
CY2020Q1	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-2200000	USD
CY2020Q2	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-2200000	USD
CY2020Q3	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-2200000	USD
CY2020Q4	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	5000000.0	USD
CY2020	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-1600000	USD
CY2020Q2	us-gaap	Interest Expense Debt InterestExpenseDebt	0	USD
CY2020Q3	us-gaap	Interest Expense Debt InterestExpenseDebt	0	USD
CY2020Q4	us-gaap	Interest Expense Debt InterestExpenseDebt	0	USD
CY2020	us-gaap	Interest Expense Debt InterestExpenseDebt	100000	USD
CY2020Q1	us-gaap	Investment Income Interest InvestmentIncomeInterest	400000	USD
CY2020Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	0	USD
CY2020Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	100000	USD
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-500000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-200000	USD
CY2020Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-800000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1400000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	11300000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	33700000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-7000000.0	USD
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	16400000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	54400000	USD
CY2020Q1	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	2000000.0	USD
CY2020Q2	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	2000000.0	USD
CY2020Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	1900000	USD
CY2020Q4	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	800000	USD
CY2020	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	6700000	USD
CY2020Q1	us-gaap	Other Preferred Stock Dividends And Adjustments OtherPreferredStockDividendsAndAdjustments	0	USD
CY2020Q2	us-gaap	Other Preferred Stock Dividends And Adjustments OtherPreferredStockDividendsAndAdjustments	0	USD
CY2020Q3	us-gaap	Other Preferred Stock Dividends And Adjustments OtherPreferredStockDividendsAndAdjustments	0	USD
CY2020Q4	us-gaap	Other Preferred Stock Dividends And Adjustments OtherPreferredStockDividendsAndAdjustments	41900000	USD
CY2020	us-gaap	Other Preferred Stock Dividends And Adjustments OtherPreferredStockDividendsAndAdjustments	41900000	USD
CY2020Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	9300000	USD
CY2020Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	31700000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-8900000	USD
CY2020Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-26300000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	5800000	USD
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.97
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.28
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.83
CY2020Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.55
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.59
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.95
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.19
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.83
CY2019Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	14900000	USD
CY2020Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.55
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.57
CY2019Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	38700000	USD
CY2019Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	10600000	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	104700000	USD
CY2019Q4	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	55700000	USD
CY2019	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	209700000	USD
CY2019Q1	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	44200000	USD
CY2019Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	69200000	USD
CY2019Q4	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	48900000	USD
CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	177200000	USD
CY2019Q1	us-gaap	Gross Profit GrossProfit	-5500000	USD
CY2019Q2	us-gaap	Gross Profit GrossProfit	-4300000	USD
CY2019Q3	us-gaap	Gross Profit GrossProfit	35500000	USD
CY2019Q4	us-gaap	Gross Profit GrossProfit	6800000	USD
CY2019	us-gaap	Gross Profit GrossProfit	32500000	USD
CY2019Q1	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	6600000	USD
CY2019Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	5100000	USD
CY2019Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	1300000	USD
CY2019Q4	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	1600000	USD
CY2019	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	14600000	USD
CY2019Q1	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	8100000	USD
CY2019Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	7700000	USD
CY2019Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	8700000	USD
CY2019Q4	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	9200000	USD
CY2019	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	33700000	USD
CY2019Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1100000	USD
CY2019Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1200000	USD
CY2019Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1800000	USD
CY2019Q4	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2400000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6500000	USD
CY2019Q2	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	100000	USD
CY2019Q1	us-gaap	Restructuring Charges RestructuringCharges	-100000	USD
CY2019Q2	us-gaap	Restructuring Charges RestructuringCharges	-2900000	USD
CY2019Q3	us-gaap	Restructuring Charges RestructuringCharges	800000	USD
CY2019Q4	us-gaap	Restructuring Charges RestructuringCharges	300000	USD
CY2019	us-gaap	Restructuring Charges RestructuringCharges	-1900000	USD
CY2019Q1	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	400000	USD
CY2019Q3	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	200000	USD
CY2019Q4	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	0	USD
CY2019	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	700000	USD
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	-20800000	USD
CY2019Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-15300000	USD
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	23100000	USD
CY2019Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	-6700000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	-19700000	USD
CY2019Q1	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-100000	USD
CY2019Q2	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	0	USD
CY2019Q3	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-100000	USD
CY2019Q4	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-4100000	USD
CY2019	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-4300000	USD
CY2019Q1	us-gaap	Interest Expense Debt InterestExpenseDebt	1000000.0	USD
CY2019Q2	us-gaap	Interest Expense Debt InterestExpenseDebt	1000000.0	USD
CY2019Q3	us-gaap	Interest Expense Debt InterestExpenseDebt	900000	USD
CY2019Q4	us-gaap	Interest Expense Debt InterestExpenseDebt	100000	USD
CY2019	us-gaap	Interest Expense Debt InterestExpenseDebt	3000000.0	USD
CY2019Q1	us-gaap	Investment Income Interest InvestmentIncomeInterest	700000	USD
CY2019Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	700000	USD
CY2019Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	500000	USD
CY2019Q4	us-gaap	Investment Income Interest InvestmentIncomeInterest	300000	USD
CY2019	us-gaap	Investment Income Interest InvestmentIncomeInterest	2200000	USD
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-100000	USD
CY2019Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	USD
CY2019Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	400000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	300000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	-20900000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	-15600000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	22800000	USD
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	-2800000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-16500000	USD
CY2019Q1	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	2000000.0	USD
CY2019Q2	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	2000000.0	USD
CY2019Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	1900000	USD
CY2019Q4	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	1900000	USD
CY2019	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	7800000	USD
CY2019Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-22900000	USD
CY2019Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-17600000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	20900000	USD
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.84
CY2019Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-4700000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-24300000	USD
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.40
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.84
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.18
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.49
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.54
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.40
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.17
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.49
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.54

Files In Submission

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$LEU
CENTRUS ENERGY CORP Stock $leu

2020 Q4 Form 10-K Financial Statement

#000106505921000009 Filed on March 22, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$LEU CENTRUS ENERGY CORP Stock $leu

2020 Q4 Form 10-K Financial Statement

#000106505921000009 Filed on March 22, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$LEU
CENTRUS ENERGY CORP Stock $leu