10-K Filing

ALERIS CORP CIK: 1518587 FY 2017

Filing Information

Form Type	10-K
Accession Number	`0001518587-18-000014`
Period End Date	20171231
Filing Date	20180320
Fiscal Year	2017
Fiscal Period	FY
XBRL Instance	ars-20171231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 73 Income Statement 51 Cash Flow Statement 104 Stockholders Equity 32 Comprehensive Income 30

Balance Sheet 73 line items

Line Item	Tag	Value	Unit	Period
Allowance for doubtful accounts receivable	`AllowanceForDoubtfulAccountsReceivableCurrent`	$7.60M	USD	Point-in-time
Allowance for doubtful accounts receivable	`AllowanceForDoubtfulAccountsReceivableCurrent`	$4.90M	USD	Point-in-time
Accounts receivable (net of allowances of $4.9 and $7.6 at December 31, 2017 and 2016, respectively)	`AccountsReceivableNetCurrent`	$245.70M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Accounts receivable (net of allowances of $4.9 and $7.6 at December 31, 2017 and 2016, respectively)	`AccountsReceivableNetCurrent`	$218.70M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	45.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	45.00M	shares	Point-in-time
Inventories	`InventoryNet`	$631.20M	USD	Point-in-time
Inventories	`InventoryNet`	$538.90M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$36.10M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	31.90M	shares	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$33.40M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	32.00M	shares	Point-in-time
Total Current Assets	`AssetsCurrent`	$846.60M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$1.02B	USD	Point-in-time
Preferred Stock, Par or Stated Value Per Share (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred Stock, Par or Stated Value Per Share (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$62.20M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$55.60M	USD	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	1.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$102.40M	USD	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	1.00M	shares	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$1.47B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$1.35B	USD	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$34.70M	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$36.80M	USD	Point-in-time
Other long-term assets	`OtherAssetsNoncurrent`	$52.70M	USD	Point-in-time
Other long-term assets	`OtherAssetsNoncurrent`	$72.20M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$88.30M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$70.70M	USD	Point-in-time
Total Assets	`Assets`	$2.39B	USD	Point-in-time
Total Assets	`Assets`	$2.64B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$299.20M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$246.60M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$197.40M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$201.40M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$9.10M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$27.70M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$475.70M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$505.70M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$1.44B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$1.77B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$4.00M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$2.80M	USD	Point-in-time
Accrued pension benefits	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$158.40M	USD	Point-in-time
Accrued pension benefits	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$170.20M	USD	Point-in-time
Accrued postretirement benefits	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$34.30M	USD	Point-in-time
Accrued postretirement benefits	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$34.20M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$66.10M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$63.70M	USD	Point-in-time
Total Long-Term Liabilities	`LiabilitiesNoncurrent`	$1.70B	USD	Point-in-time
Total Long-Term Liabilities	`LiabilitiesNoncurrent`	$2.05B	USD	Point-in-time
Common stock; par value $.01; 45,000,000 shares authorized; 32,001,318 and 31,904,250 shares issued at December 31, 2017 and 2016, respectively	`CommonStockValue`	$300.00K	USD	Point-in-time
Common stock; par value $.01; 45,000,000 shares authorized; 32,001,318 and 31,904,250 shares issued at December 31, 2017 and 2016, respectively	`CommonStockValue`	$300.00K	USD	Point-in-time
Preferred stock; par value $.01; 1,000,000 shares authorized; none issued	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock; par value $.01; 1,000,000 shares authorized; none issued	`PreferredStockValue`	-	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$436.30M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$428.00M	USD	Point-in-time
Retained (deficit) earnings	`RetainedEarningsAccumulatedDeficit`	$-203.40M	USD	Point-in-time
Retained (deficit) earnings	`RetainedEarningsAccumulatedDeficit`	$11.80M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-140.50M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-223.50M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-160.90M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-182.70M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$216.60M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$327.20M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$293.30M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$92.70M	USD	Point-in-time
Total Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$2.39B	USD	Point-in-time
Total Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$2.64B	USD	Point-in-time

Income Statement 51 line items

Line Item	Tag	Value	Unit	Period
Revenues	`Revenues`	$2.92B	USD	Annual
Revenues	`Revenues`	$2.66B	USD	Annual
Revenues	`Revenues`	$2.86B	USD	Annual
Cost of sales	`CostOfGoodsSold`	$2.60B	USD	Annual
Cost of sales	`CostOfGoodsSold`	$2.70B	USD	Annual
Cost of sales	`CostOfGoodsSold`	$2.38B	USD	Annual
Gross profit	`GrossProfit`	$287.90M	USD	Annual
Gross profit	`GrossProfit`	$214.90M	USD	Annual
Gross profit	`GrossProfit`	$259.40M	USD	Annual
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$220.80M	USD	Annual
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$218.50M	USD	Annual
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$203.50M	USD	Annual
Restructuring charges	`RestructuringCharges`	$10.30M	USD	Annual
Restructuring charges	`RestructuringCharges`	$1.50M	USD	Annual
Restructuring charges	`RestructuringCharges`	$2.90M	USD	Annual
Losses on derivative financial instruments	`GainLossOnDerivativeInstrumentsNetPretax`	$-6.90M	USD	Annual
Losses on derivative financial instruments	`GainLossOnDerivativeInstrumentsNetPretax`	$-12.10M	USD	Annual
Losses on derivative financial instruments	`GainLossOnDerivativeInstrumentsNetPretax`	$-44.70M	USD	Annual
Other operating expense, net	`OtherOperatingIncomeExpenseNet`	$-5.70M	USD	Annual
Other operating expense, net	`OtherOperatingIncomeExpenseNet`	$-2.50M	USD	Annual
Other operating expense, net	`OtherOperatingIncomeExpenseNet`	$-3.90M	USD	Annual
Operating (loss) income	`OperatingIncomeLoss`	$51.90M	USD	Annual
Operating (loss) income	`OperatingIncomeLoss`	$-14.70M	USD	Annual
Operating (loss) income	`OperatingIncomeLoss`	$-8.30M	USD	Annual
Interest expense, net	`InterestIncomeExpenseNet`	$-82.50M	USD	Annual
Interest expense, net	`InterestIncomeExpenseNet`	$-124.10M	USD	Annual
Interest expense, net	`InterestIncomeExpenseNet`	$-94.10M	USD	Annual
Other expense (income), net	`OtherNonoperatingIncomeExpense`	$7.40M	USD	Annual
Other expense (income), net	`OtherNonoperatingIncomeExpense`	$-1.70M	USD	Annual
Other expense (income), net	`OtherNonoperatingIncomeExpense`	$-35.20M	USD	Annual
Loss from continuing operations before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-32.30M	USD	Annual
Loss from continuing operations before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-174.00M	USD	Annual
Loss from continuing operations before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-95.00M	USD	Annual
Provision for (benefit from) income taxes	`IncomeTaxExpenseBenefit`	$-22.70M	USD	Annual
Provision for (benefit from) income taxes	`IncomeTaxExpenseBenefit`	$40.00M	USD	Annual
Provision for (benefit from) income taxes	`IncomeTaxExpenseBenefit`	$40.40M	USD	Annual
Loss from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$-214.40M	USD	Annual
Loss from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$-72.30M	USD	Annual
Loss from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$-72.30M	USD	Annual
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$3.80M	USD	Annual
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$121.10M	USD	Annual
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-3.30M	USD	Annual
Net (loss) income	`ProfitLoss`	$48.80M	USD	Annual
Net (loss) income	`ProfitLoss`	$-75.60M	USD	Annual
Net (loss) income	`ProfitLoss`	$-210.60M	USD	Annual
Net income from discontinued operations attributable to noncontrolling interest	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest`	-	USD	Annual
Net income from discontinued operations attributable to noncontrolling interest	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest`	-	USD	Annual
Net income from discontinued operations attributable to noncontrolling interest	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest`	$100.00K	USD	Annual
Net (loss) income attributable to Aleris Corporation	`NetIncomeLoss`	$48.70M	USD	Annual
Net (loss) income attributable to Aleris Corporation	`NetIncomeLoss`	$-75.60M	USD	Annual
Net (loss) income attributable to Aleris Corporation	`NetIncomeLoss`	$-210.60M	USD	Annual

Cash Flow Statement 104 line items

Line Item	Tag	Value	Unit	Period
Net (loss) income	`ProfitLoss`	$48.80M	USD	Annual
Net (loss) income	`ProfitLoss`	$-75.60M	USD	Annual
Net (loss) income	`ProfitLoss`	$-210.60M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$115.70M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$104.90M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$123.80M	USD	Annual
Provision for deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$21.50M	USD	Annual
Provision for deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$32.30M	USD	Annual
Provision for deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$34.50M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$4.80M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$7.00M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$11.30M	USD	Annual
Unrealized (gains) losses on derivative financial instruments	`UnrealizedGainLossOnDerivatives`	$19.00M	USD	Annual
Unrealized (gains) losses on derivative financial instruments	`UnrealizedGainLossOnDerivatives`	$-28.10M	USD	Annual
Unrealized (gains) losses on derivative financial instruments	`UnrealizedGainLossOnDerivatives`	$3.00M	USD	Annual
Amortization of debt issuance costs	`AmortizationOfFinancingCosts`	$6.60M	USD	Annual
Amortization of debt issuance costs	`AmortizationOfFinancingCosts`	$5.70M	USD	Annual
Amortization of debt issuance costs	`AmortizationOfFinancingCosts`	$2.80M	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-2.00M	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-12.60M	USD	Annual
Net (gain) loss on sale of discontinued operations	`GainLossOnSaleOfBusiness`	$191.70M	USD	Annual
Net (gain) loss on sale of discontinued operations	`GainLossOnSaleOfBusiness`	$-3.30M	USD	Annual
Net (gain) loss on sale of discontinued operations	`GainLossOnSaleOfBusiness`	$4.50M	USD	Annual
Impairment of amounts held in escrow related to the sale of the recycling business	`Impairmentofreceivableheldinescrow`	$22.80M	USD	Annual
Impairment of amounts held in escrow related to the sale of the recycling business	`Impairmentofreceivableheldinescrow`	-	USD	Annual
Impairment of amounts held in escrow related to the sale of the recycling business	`Impairmentofreceivableheldinescrow`	-	USD	Annual
Other	`OtherOperatingActivitiesCashFlowStatement`	$10.10M	USD	Annual
Other	`OtherOperatingActivitiesCashFlowStatement`	$4.90M	USD	Annual
Other	`OtherOperatingActivitiesCashFlowStatement`	$-10.20M	USD	Annual
Change in accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$9.40M	USD	Annual
Change in accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$31.30M	USD	Annual
Change in accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$5.70M	USD	Annual
Change in inventories	`IncreaseDecreaseInInventories`	$58.40M	USD	Annual
Change in inventories	`IncreaseDecreaseInInventories`	$70.20M	USD	Annual
Change in inventories	`IncreaseDecreaseInInventories`	$-128.00M	USD	Annual
Change in other assets	`IncreaseDecreaseInOtherOperatingAssets`	$1.40M	USD	Annual
Change in other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-3.90M	USD	Annual
Change in other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-3.80M	USD	Annual
Change in accounts payable	`IncreaseDecreaseInAccountsPayable`	$41.70M	USD	Annual
Change in accounts payable	`IncreaseDecreaseInAccountsPayable`	$-18.60M	USD	Annual
Change in accounts payable	`IncreaseDecreaseInAccountsPayable`	$33.70M	USD	Annual
Change in accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$18.20M	USD	Annual
Change in accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-9.10M	USD	Annual
Change in accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-14.00M	USD	Annual
Net cash (used) provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-31.40M	USD	Annual
Net cash (used) provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$119.50M	USD	Annual
Net cash (used) provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$12.00M	USD	Annual
Payments for property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$358.10M	USD	Annual
Payments for property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$313.60M	USD	Annual
Payments for property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$207.70M	USD	Annual
Proceeds from the sale of businesses, net of cash transferred	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	-	USD	Annual
Proceeds from the sale of businesses, net of cash transferred	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	$587.40M	USD	Annual
Proceeds from the sale of businesses, net of cash transferred	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	$5.00M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$1.50M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$3.00M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$100.00K	USD	Annual
Net cash (used) provided by investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-354.60M	USD	Annual
Net cash (used) provided by investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-210.70M	USD	Annual
Net cash (used) provided by investing activities	`NetCashProvidedByUsedInInvestingActivities`	$273.70M	USD	Annual
Proceeds from revolving credit facilities	`ProceedsFromLongTermLinesOfCredit`	$159.50M	USD	Annual
Proceeds from revolving credit facilities	`ProceedsFromLongTermLinesOfCredit`	$360.40M	USD	Annual
Proceeds from revolving credit facilities	`ProceedsFromLongTermLinesOfCredit`	$575.10M	USD	Annual
Payments on revolving credit facilities	`RepaymentsOfLongTermLinesOfCredit`	$107.00M	USD	Annual
Payments on revolving credit facilities	`RepaymentsOfLongTermLinesOfCredit`	$536.30M	USD	Annual
Payments on revolving credit facilities	`RepaymentsOfLongTermLinesOfCredit`	$380.80M	USD	Annual
Proceeds from senior secured notes, inclusive of premiums and discounts	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$540.40M	USD	Annual
Proceeds from senior secured notes, inclusive of premiums and discounts	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$263.80M	USD	Annual
Proceeds from senior secured notes, inclusive of premiums and discounts	`ProceedsFromIssuanceOfSeniorLongTermDebt`	-	USD	Annual
Payments on senior notes, including premiums	`RepaymentsOfSeniorDebt`	-	USD	Annual
Payments on senior notes, including premiums	`RepaymentsOfSeniorDebt`	$443.80M	USD	Annual
Payments on senior notes, including premiums	`RepaymentsOfSeniorDebt`	$125.00M	USD	Annual
Net payments on other long-term debt	`ProceedsFromRepaymentsOfOtherLongTermDebt`	$-7.30M	USD	Annual
Net payments on other long-term debt	`ProceedsFromRepaymentsOfOtherLongTermDebt`	$-6.40M	USD	Annual
Net payments on other long-term debt	`ProceedsFromRepaymentsOfOtherLongTermDebt`	$-6.40M	USD	Annual
Debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$4.60M	USD	Annual
Debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$2.80M	USD	Annual
Debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$4.00M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-600.00K	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-2.60M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-2.90M	USD	Annual
Net cash provided (used) by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-359.90M	USD	Annual
Net cash provided (used) by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$338.10M	USD	Annual
Net cash provided (used) by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$290.50M	USD	Annual
Effect of exchange rate differences on cash, cash equivalents and restricted cash	`EffectOfExchangeRateOnCashAndCashEquivalents`	$-2.10M	USD	Annual
Effect of exchange rate differences on cash, cash equivalents and restricted cash	`EffectOfExchangeRateOnCashAndCashEquivalents`	$4.00M	USD	Annual
Effect of exchange rate differences on cash, cash equivalents and restricted cash	`EffectOfExchangeRateOnCashAndCashEquivalents`	$-7.10M	USD	Annual
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$26.20M	USD	Annual
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-6.60M	USD	Annual
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$52.40M	USD	Annual
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$62.20M	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$36.00M	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$108.00M	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$55.60M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$62.20M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$36.00M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$108.00M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$55.60M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$62.20M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$55.60M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$102.40M	USD	Point-in-time
Restricted cash (included in Prepaid expenses and other current assets)	`RestrictedCashAndInvestmentsCurrent`	-	USD	Point-in-time
Restricted cash (included in Prepaid expenses and other current assets)	`RestrictedCashAndInvestmentsCurrent`	$5.60M	USD	Point-in-time
Restricted cash (included in Prepaid expenses and other current assets)	`RestrictedCashAndInvestmentsCurrent`	-	USD	Point-in-time

Stockholders Equity 32 line items

Line Item	Tag	Value	Unit	Period
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$216.60M	USD	Point-in-time
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$327.20M	USD	Point-in-time
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$293.30M	USD	Point-in-time
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$92.70M	USD	Point-in-time
Net income (loss)	`ProfitLoss`	$48.80M	USD	Annual
Net income (loss)	`ProfitLoss`	$-75.60M	USD	Annual
Net income (loss)	`ProfitLoss`	$-210.60M	USD	Annual
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-21.80M	USD	Annual
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-40.80M	USD	Annual
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$83.00M	USD	Annual
Stock-based compensation activity	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$-8.30M	USD	Annual
Stock-based compensation activity	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$-2.60M	USD	Annual
Stock-based compensation activity	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$-6.30M	USD	Annual
Adoption of accounting standard	`NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1`	$-4.70M	USD	Point-in-time
Conversion of Aleris International preferred stock to common stock	`StockIssuedDuringPeriodValueConversionOfConvertibleSecurities`	$5.60M	USD	Annual
Other	`StockholdersEquityOther`	$500.00K	USD	Annual
Other	`StockholdersEquityOther`	$-100.00K	USD	Annual
Other	`StockholdersEquityOther`	$1.30M	USD	Annual
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$216.60M	USD	Point-in-time
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$327.20M	USD	Point-in-time
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$293.30M	USD	Point-in-time
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$92.70M	USD	Point-in-time
Balance at Beginning of Period	`TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests`	-	USD	Point-in-time
Balance at Beginning of Period	`TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests`	-	USD	Point-in-time
Balance at Beginning of Period	`TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests`	-	USD	Point-in-time
Balance at Beginning of Period	`TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests`	$5.70M	USD	Point-in-time
Conversion of Aleris International preferred stock to common stock	`TemporaryEquityStockIssuedDuringPeriodValueConversionofConvertibleSecurities`	$-5.60M	USD	Annual
Other	`TemporaryEquityOtherChanges`	$-100.00K	USD	Annual
Balance at End of Period	`TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests`	-	USD	Point-in-time
Balance at End of Period	`TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests`	-	USD	Point-in-time
Balance at End of Period	`TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests`	-	USD	Point-in-time
Balance at End of Period	`TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests`	$5.70M	USD	Point-in-time

Comprehensive Income 30 line items

Line Item	Tag	Value	Unit	Period
Net (loss) income	`ProfitLoss`	$48.80M	USD	Annual
Net (loss) income	`ProfitLoss`	$-75.60M	USD	Annual
Net (loss) income	`ProfitLoss`	$-210.60M	USD	Annual
Currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-29.70M	USD	Annual
Currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-80.30M	USD	Annual
Currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$82.00M	USD	Annual
Reclassification into earnings due to the sale of businesses	`OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIRealizeduponSaleofBusinessNetofTax`	-	USD	Annual
Reclassification into earnings due to the sale of businesses	`OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIRealizeduponSaleofBusinessNetofTax`	$-45.20M	USD	Annual
Reclassification into earnings due to the sale of businesses	`OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIRealizeduponSaleofBusinessNetofTax`	-	USD	Annual
Pension and other postretirement liability adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax`	$-21.60M	USD	Annual
Pension and other postretirement liability adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax`	$-2.70M	USD	Annual
Pension and other postretirement liability adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax`	$16.10M	USD	Annual
Other comprehensive income (loss), before tax	`OtherComprehensiveIncomeLossBeforeTax`	$84.70M	USD	Annual
Other comprehensive income (loss), before tax	`OtherComprehensiveIncomeLossBeforeTax`	$-13.50M	USD	Annual
Other comprehensive income (loss), before tax	`OtherComprehensiveIncomeLossBeforeTax`	$-45.80M	USD	Annual
Income tax expense (benefit) related to items of other comprehensive loss	`OtherComprehensiveIncomeLossTax`	$-5.00M	USD	Annual
Income tax expense (benefit) related to items of other comprehensive loss	`OtherComprehensiveIncomeLossTax`	$1.70M	USD	Annual
Income tax expense (benefit) related to items of other comprehensive loss	`OtherComprehensiveIncomeLossTax`	$8.30M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-21.80M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-40.80M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$83.00M	USD	Annual
Comprehensive (loss) income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$27.00M	USD	Annual
Comprehensive (loss) income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-127.60M	USD	Annual
Comprehensive (loss) income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-116.40M	USD	Annual
Comprehensive income attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	Annual
Comprehensive income attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	Annual
Comprehensive income attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$100.00K	USD	Annual
Comprehensive (loss) income attributable to Aleris Corporation	`ComprehensiveIncomeNetOfTax`	$-127.60M	USD	Annual
Comprehensive (loss) income attributable to Aleris Corporation	`ComprehensiveIncomeNetOfTax`	$-116.40M	USD	Annual
Comprehensive (loss) income attributable to Aleris Corporation	`ComprehensiveIncomeNetOfTax`	$26.90M	USD	Annual

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.