$KALU
KAISER ALUMINUM CORP Stock $kalu

$kalu Overview Financials Valuation SEC Filings Company Website

2014 Q4 Form 10-Q Financial Statement

#000081159614000053 Filed on October 24, 2014

Income Statement

Concept	2014 Q4	2014 Q3	2013 Q4
Revenue	$338.0M	$338.9M	$311.3M
YoY Change	8.58%	5.94%	-0.86%
Cost Of Revenue	$278.7M	$280.4M	$254.3M
YoY Change	9.59%	8.05%	-3.97%
Gross Profit	$48.90M	$54.90M	$61.10M
YoY Change	-19.97%	-11.31%	24.44%
Gross Profit Margin	14.47%	16.2%	19.63%
Selling, General & Admin	$20.10M	$19.00M	$12.30M
YoY Change	63.41%	41.79%	-11.51%
% of Gross Profit	41.1%	34.61%	20.13%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$8.000M	$8.000M	$7.200M
YoY Change	11.11%	15.94%	4.35%
% of Gross Profit	16.36%	14.57%	11.78%
Operating Expenses	$22.10M	$22.30M	$19.50M
YoY Change	13.33%	9.85%	-22.62%
Operating Profit	$26.80M	$32.60M	$41.60M
YoY Change	-35.58%	-21.63%	74.06%
Interest Expense	-$19.40M	$9.700M	-$1.900M
YoY Change	921.05%	10.23%	-127.94%
% of Operating Profit	-72.39%	29.75%	-4.57%
Other Income/Expense, Net	$0.00	$2.200M	-$100.0K
YoY Change	-100.0%	-24.14%
Pretax Income	$17.80M	$25.10M	$35.50M
YoY Change	-49.86%	-29.69%	133.55%
Income Tax	$2.200M	$9.200M	$8.200M
% Of Pretax Income	12.36%	36.65%	23.1%
Net Earnings	$15.60M	$15.90M	$27.30M
YoY Change	-42.86%	-37.4%	200.0%
Net Earnings / Revenue	4.62%	4.69%	8.77%
Basic Earnings Per Share	$0.88	$0.90	$1.48
Diluted Earnings Per Share	$0.85	$0.85	$1.44
COMMON SHARES
Basic Shares Outstanding	17.79M shares	17.71M shares	18.76M shares
Diluted Shares Outstanding		18.62M shares

Balance Sheet

Concept	2014 Q4	2014 Q3	2013 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$291.7M	$312.4M	$299.0M
YoY Change	-2.44%	-8.25%	-16.57%
Cash & Equivalents	$177.7M	$212.3M	$169.5M
Short-Term Investments	$262.2M	$277.0M	$241.3M
Other Short-Term Assets	$178.6M	$156.4M	$44.20M
YoY Change	304.07%	131.36%	-36.95%
Inventory	$214.7M	$211.3M	$214.4M
Prepaid Expenses	$4.200M	$5.700M	$5.200M
Receivables	$129.3M	$132.4M	$119.8M
Other Receivables	$10.90M	$10.40M	$13.40M
Total Short-Term Assets	$825.2M	$822.9M	$690.8M
YoY Change	19.46%	9.34%	-6.86%
LONG-TERM ASSETS
Property, Plant & Equipment	$454.9M	$442.9M	$429.3M
YoY Change	5.96%	7.58%	11.71%
Goodwill	$37.20M	$37.20M	$37.20M
YoY Change	0.0%	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments	$7.300M	$7.200M	$6.500M
YoY Change	12.31%	14.29%	16.07%
Other Assets	$23.30M	$23.80M	$104.8M
YoY Change	-77.77%	-78.19%	21.86%
Total Long-Term Assets	$918.5M	$993.4M	$1.080B
YoY Change	-14.96%	-4.43%	6.86%
TOTAL ASSETS
Total Short-Term Assets	$825.2M	$822.9M	$690.8M
Total Long-Term Assets	$918.5M	$993.4M	$1.080B
Total Assets	$1.744B	$1.816B	$1.771B
YoY Change	-1.54%	1.36%	1.05%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$81.40M	$89.30M	$62.90M
YoY Change	29.41%	25.25%	0.64%
Accrued Expenses	$72.10M	$60.50M	$81.40M
YoY Change	-11.43%	-11.29%	4.09%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$172.5M	$170.2M	$0.00
YoY Change		85000.0%	-100.0%
Total Short-Term Liabilities	$426.4M	$428.5M	$150.6M
YoY Change	183.13%	183.03%	-6.81%
LONG-TERM LIABILITIES
Long-Term Debt	$225.0M	$225.0M	$388.5M
YoY Change	-42.08%	-41.77%	2.16%
Other Long-Term Liabilities	$58.30M	$2.800M	$146.4M
YoY Change	-60.18%	-17.65%	8.85%
Total Long-Term Liabilities	$283.3M	$227.8M	$534.9M
YoY Change	-47.04%	-41.56%	3.9%
TOTAL LIABILITIES
Total Short-Term Liabilities	$426.4M	$428.5M	$150.6M
Total Long-Term Liabilities	$283.3M	$227.8M	$534.9M
Total Liabilities	$727.8M	$715.6M	$686.7M
YoY Change	5.99%	2.68%	0.73%
SHAREHOLDERS EQUITY
Retained Earnings	$280.4M	$271.1M	$233.8M
YoY Change	19.93%	27.76%	54.63%
Common Stock	$1.029B	$1.027B	$1.023B
YoY Change	0.53%	0.44%	0.53%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$197.1M	$181.1M	$152.2M
YoY Change	29.5%	55.05%	110.51%
Treasury Stock Shares	3.590M shares	3.367M shares	2.957M shares
Shareholders Equity	$1.016B	$1.101B	$1.084B
YoY Change
Total Liabilities & Shareholders Equity	$1.744B	$1.816B	$1.771B
YoY Change	-1.54%	1.36%	1.05%

Cashflow Statement

Concept	2014 Q4	2014 Q3	2013 Q4
OPERATING ACTIVITIES
Net Income	$15.60M	$15.90M	$27.30M
YoY Change	-42.86%	-37.4%	200.0%
Depreciation, Depletion And Amortization	$8.000M	$8.000M	$7.200M
YoY Change	11.11%	15.94%	4.35%
Cash From Operating Activities	$20.40M	$32.40M	$21.10M
YoY Change	-3.32%	-22.3%	-53.83%
INVESTING ACTIVITIES
Capital Expenditures	-$19.80M	-$9.500M	-$23.40M
YoY Change	-15.38%	-54.76%	27.17%
Acquisitions
YoY Change
Other Investing Activities	-$13.40M	$26.50M	-$12.60M
YoY Change	6.35%	-138.63%	173.91%
Cash From Investing Activities	-$33.20M	$17.00M	-$36.00M
YoY Change	-7.78%	-118.97%	56.52%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-21.80M	-11.30M	-40.20M
YoY Change	-45.77%	22.83%	720.41%
NET CHANGE
Cash From Operating Activities	20.40M	32.40M	21.10M
Cash From Investing Activities	-33.20M	17.00M	-36.00M
Cash From Financing Activities	-21.80M	-11.30M	-40.20M
Net Change In Cash	-34.60M	38.10M	-55.10M
YoY Change	-37.21%	-166.73%	-409.55%
FREE CASH FLOW
Cash From Operating Activities	$20.40M	$32.40M	$21.10M
Capital Expenditures	-$19.80M	-$9.500M	-$23.40M
Free Cash Flow	$40.20M	$41.90M	$44.50M
YoY Change	-9.66%	-33.17%	-30.58%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2013Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	62900000	USD
CY2014Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	89300000	USD
CY2014Q3	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	133200000	USD
CY2013Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	120600000	USD
CY2014Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	132400000	USD
CY2013Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	119800000	USD
CY2014Q3	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	20200000	USD
CY2014Q3	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	3300000	USD
CY2013Q4	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	2800000	USD
CY2014Q3	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	16900000	USD
CY2013Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	20000000	USD
CY2014Q3	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	3100000	USD
CY2013Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	6600000	USD
CY2014Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	160400000	USD
CY2013Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	137900000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-20700000	USD
CY2014Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-16400000	USD
CY2014Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1026900000	USD
CY2013Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1023100000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	5200000	USD
	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	800000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5900000	USD
CY2013Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1400000	USD
CY2014Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	900000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5200000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	8200000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	8800000	USD
CY2013Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	800000	USD
CY2014Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	800000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1300000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1200000	USD
CY2013Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	4000000	USD
CY2014Q3	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	4300000	USD
CY2014Q3	us-gaap	Assets Assets	1816300000	USD
CY2013Q4	us-gaap	Assets Assets	1770900000	USD
CY2013Q4	us-gaap	Assets Current AssetsCurrent	690800000	USD
CY2014Q3	us-gaap	Assets Current AssetsCurrent	822900000	USD
CY2013Q4	us-gaap	Available For Sale Securities Current AvailableForSaleSecuritiesCurrent	129500000	USD
CY2014Q3	us-gaap	Available For Sale Securities Current AvailableForSaleSecuritiesCurrent	100100000	USD
	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	1100000	USD
CY2014Q3	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	0	USD
	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	400000	USD
CY2013Q3	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	300000	USD
CY2014Q3	us-gaap	Bank Overdrafts BankOverdrafts	6600000	USD
CY2013Q4	us-gaap	Bank Overdrafts BankOverdrafts	9600000	USD
CY2014Q3	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	62400000	USD
CY2013Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	53000000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	3500000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1800000	USD
CY2014Q3	us-gaap	Capital Lease Obligations Current CapitalLeaseObligationsCurrent	100000	USD
CY2013Q4	us-gaap	Capital Lease Obligations Current CapitalLeaseObligationsCurrent	200000	USD
	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	200000	USD
	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	0	USD
CY2013Q4	us-gaap	Capital Lease Obligations Noncurrent CapitalLeaseObligationsNoncurrent	100000	USD
CY2014Q3	us-gaap	Capital Lease Obligations Noncurrent CapitalLeaseObligationsNoncurrent	100000	USD
CY2013Q4	us-gaap	Cash Cash	57700000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	169500000	USD
CY2014Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	212300000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	273400000	USD
CY2013Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	224600000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	42800000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-48800000	USD
CY2013Q4	us-gaap	Commercial Paper At Carrying Value CommercialPaperAtCarryingValue	111800000	USD
CY2014Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013Q4	us-gaap	Derivative Assets DerivativeAssets	81800000	USD
CY2014Q3	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	101600000	USD
CY2013Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	2000000	USD
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.90
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.05
CY2014Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2013Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2013Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	90000000	shares
CY2014Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	90000000	shares
CY2013Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	21103700	shares
CY2014Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	21196901	shares
CY2013Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	18147017	shares
CY2014Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	17829629	shares
CY2014Q3	us-gaap	Common Stock Value CommonStockValue	200000	USD
CY2013Q4	us-gaap	Common Stock Value CommonStockValue	200000	USD
CY2013Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	26000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	60500000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	80600000	USD
CY2014Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	17200000	USD
CY2014Q3	us-gaap	Construction In Progress Gross ConstructionInProgressGross	18100000	USD
CY2013Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	66000000	USD
CY2014Q3	us-gaap	Convertible Debt ConvertibleDebt	0	USD
CY2013Q4	us-gaap	Convertible Debt ConvertibleDebt	163500000	USD
CY2013Q3	us-gaap	Cost Of Goods Sold CostOfGoodsSold	259500000	USD
	us-gaap	Cost Of Goods Sold CostOfGoodsSold	784600000	USD
CY2014Q3	us-gaap	Cost Of Goods Sold CostOfGoodsSold	280400000	USD
	us-gaap	Cost Of Goods Sold CostOfGoodsSold	838800000	USD
CY2013Q3	us-gaap	Costs And Expenses CostsAndExpenses	278300000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	907000000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	854500000	USD
CY2014Q3	us-gaap	Costs And Expenses CostsAndExpenses	306300000	USD
CY2013Q4	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	225000000	USD
CY2014Q3	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	225000000	USD
CY2013Q3	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	400000	USD
CY2014Q3	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	0	USD
	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	600000	USD
	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	800000	USD
CY2013Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	7000000	USD
CY2014Q3	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	7600000	USD
CY2013Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	6500000	USD
CY2014Q3	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	7200000	USD
CY2013Q4	us-gaap	Deferred Finance Costs Noncurrent Net DeferredFinanceCostsNoncurrentNet	8900000	USD
CY2014Q3	us-gaap	Deferred Finance Costs Noncurrent Net DeferredFinanceCostsNoncurrentNet	6300000	USD
	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	40900000	USD
	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	29600000	USD
CY2014Q3	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	200000	USD
CY2013Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	0	USD
CY2014Q3	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	600000	USD
CY2013Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	0	USD
CY2013Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	36700000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	47800000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	26700000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	69100000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Gross Noncurrent DeferredTaxLiabilitiesGrossNoncurrent	1200000	USD
CY2014Q3	us-gaap	Deferred Tax Liabilities Gross Noncurrent DeferredTaxLiabilitiesGrossNoncurrent	1200000	USD
CY2014Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	161500000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	152400000	USD
CY2014Q3	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-6000000	USD
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-16900000	USD
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-17700000	USD
CY2013Q3	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-5600000	USD
	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	6800000	USD
CY2014Q3	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1300000	USD
	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	6600000	USD
CY2013Q3	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1300000	USD
	us-gaap	Depreciation Depreciation	21900000	USD
	us-gaap	Depreciation Depreciation	19600000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	20900000	USD
CY2013Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	6900000	USD
CY2014Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	8000000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	23100000	USD
CY2014Q3	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	0	USD
CY2013Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	0	USD
CY2014Q3	us-gaap	Derivative Assets DerivativeAssets	101800000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-100000	USD
CY2013Q4	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	79800000	USD
CY2014Q3	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	200000	USD
CY2014Q3	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	USD
CY2013Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	USD
CY2014Q3	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	0	USD
CY2013Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	0	USD
CY2014Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	101800000	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	81800000	USD
CY2014Q3	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	1300000	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	1200000	USD
CY2014Q3	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	100500000	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	80600000	USD
CY2014Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	102500000	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	86100000	USD
CY2014Q3	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	1300000	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	1200000	USD
CY2014Q3	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	101200000	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	84900000	USD
CY2014Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	102500000	USD
CY2013Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	86100000	USD
CY2013Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	1800000	USD
CY2014Q3	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	101900000	USD
CY2013Q4	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	84300000	USD
CY2014Q3	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	600000	USD
CY2014Q3	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	0	USD
CY2013Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	0	USD
CY2014Q3	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	1700000	USD
CY2013Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	1600000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	19100000	USD
CY2013Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.37
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.15
CY2014Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.90
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.09
CY2014Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.85
CY2013Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.34
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.02
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.02
CY2013Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.289
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.281
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.370
CY2014Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.367
	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	900000	USD
	us-gaap	Incremental Common Shares Attributable To Nonvested Shares With Forfeitable Dividends IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends	143000	shares
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	900000	USD
	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	700000	USD
	us-gaap	Incremental Common Shares Attributable To Nonvested Shares With Forfeitable Dividends IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends	167000	shares
CY2013Q3	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	14700000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	32500000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	33700000	USD
CY2014Q3	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	0	USD
CY2013Q3	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	-4400000	USD
CY2013Q3	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies Foreign EffectiveIncomeTaxRateReconciliationTaxContingenciesForeign	-0.077
	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements Foreign EffectiveIncomeTaxRateReconciliationTaxSettlementsForeign	-0.071
CY2013Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	42700000	USD
CY2014Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	37200000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	1000000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	800000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	1000000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	800000	USD
	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	32200000	USD
	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	41100000	USD
CY2014Q3	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	9200000	USD
	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	-10900000	USD
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	400000	USD
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	0	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-200000	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-100000	USD
CY2013Q4	us-gaap	Goodwill Goodwill	37200000	USD
CY2014Q3	us-gaap	Goodwill Goodwill	37200000	USD
	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	1500000	USD
	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	0	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	89300000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	107700000	USD
CY2014Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	25100000	USD
CY2013Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	35700000	USD
CY2014Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	USD
CY2013Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	USD
CY2014Q3	us-gaap	Income Tax Examination Liability Refund Adjustment From Settlement With Taxing Authority IncomeTaxExaminationLiabilityRefundAdjustmentFromSettlementWithTaxingAuthority	7900000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	33100000	USD
	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-700000	USD
	us-gaap	Increase Decrease In Due To Affiliates Current IncreaseDecreaseInDueToAffiliatesCurrent	-7900000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-3100000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	21900000	USD
	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	7700000	USD
	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	-2800000	USD
	us-gaap	Increase Decrease In Other Noncurrent Assets And Liabilities Net IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet	2600000	USD
	us-gaap	Increase Decrease In Other Noncurrent Assets And Liabilities Net IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet	1900000	USD
CY2013Q3	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	345000	shares
	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	596000	shares
CY2014Q3	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	778000	shares
	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	185000	shares
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	30200000	USD
CY2014Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9200000	USD
CY2013Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10300000	USD
	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-2700000	USD
CY2013Q3	us-gaap	Income Tax Reconciliation Tax Contingencies Foreign IncomeTaxReconciliationTaxContingenciesForeign	-2700000	USD
	us-gaap	Income Tax Reconciliation Tax Settlements Foreign IncomeTaxReconciliationTaxSettlementsForeign	-2700000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	1800000	USD
CY2013Q3	us-gaap	Income Taxes Paid IncomeTaxesPaid	500000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	2700000	USD
CY2014Q3	us-gaap	Income Taxes Paid IncomeTaxesPaid	1600000	USD
	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	9600000	USD
	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	6700000	USD
	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	28700000	USD
	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	8700000	USD
	us-gaap	Increase Decrease In Due To Affiliates Current IncreaseDecreaseInDueToAffiliatesCurrent	0	USD
CY2014Q3	us-gaap	Incremental Common Shares Attributable To Nonvested Shares With Forfeitable Dividends IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends	134000	shares
CY2013Q3	us-gaap	Incremental Common Shares Attributable To Nonvested Shares With Forfeitable Dividends IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends	165000	shares
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	2200000	USD
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	2100000	USD
CY2014Q3	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	300000	USD
CY2013Q3	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	1000000	USD
CY2014Q3	us-gaap	Interest Expense InterestExpense	9700000	USD
	us-gaap	Interest Expense InterestExpense	27700000	USD
	us-gaap	Interest Expense InterestExpense	27100000	USD
CY2013Q3	us-gaap	Interest Expense InterestExpense	8800000	USD
	us-gaap	Interest Paid InterestPaid	12200000	USD
	us-gaap	Interest Paid InterestPaid	14400000	USD
CY2014Q3	us-gaap	Interest Payable Current InterestPayableCurrent	10300000	USD
CY2013Q4	us-gaap	Interest Payable Current InterestPayableCurrent	3700000	USD
CY2014Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	64900000	USD
CY2013Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	72500000	USD
CY2013Q4	us-gaap	Inventory Net InventoryNet	214400000	USD
CY2014Q3	us-gaap	Inventory Net InventoryNet	211300000	USD
CY2014Q3	us-gaap	Inventory Raw Materials InventoryRawMaterials	56000000	USD
CY2013Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	47200000	USD
CY2014Q3	us-gaap	Inventory Work In Process InventoryWorkInProcess	70500000	USD
CY2013Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	75900000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	200000	USD
CY2014Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	300000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	800000	USD
CY2013Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	100000	USD
CY2014Q3	us-gaap	Investments In And Advances To Affiliates At Fair Value InvestmentsInAndAdvancesToAffiliatesAtFairValue	0	USD
CY2013Q4	us-gaap	Investments In And Advances To Affiliates At Fair Value InvestmentsInAndAdvancesToAffiliatesAtFairValue	0	USD
CY2013Q4	us-gaap	Land Land	22600000	USD
CY2014Q3	us-gaap	Land Land	22800000	USD
CY2013Q4	us-gaap	Liabilities Liabilities	686700000	USD
CY2014Q3	us-gaap	Liabilities Liabilities	715600000	USD
CY2014Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1816300000	USD
CY2013Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1770900000	USD
CY2014Q3	us-gaap	Liabilities Current LiabilitiesCurrent	428500000	USD
CY2013Q4	us-gaap	Liabilities Current LiabilitiesCurrent	150600000	USD
CY2013Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	146400000	USD
CY2014Q3	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	60900000	USD
CY2013Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	0	USD
CY2014Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	170200000	USD
CY2014Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	225000000	USD
CY2013Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	388500000	USD
CY2014Q3	us-gaap	Loss Contingency Range Of Possible Loss Portion Not Accrued LossContingencyRangeOfPossibleLossPortionNotAccrued	24900000	USD
CY2014Q3	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	500000000	USD
CY2013Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	425600000	USD
CY2013Q3	us-gaap	Multiemployer Plan Period Contributions MultiemployerPlanPeriodContributions	900000	USD
CY2014Q3	us-gaap	Multiemployer Plan Period Contributions MultiemployerPlanPeriodContributions	800000	USD
	us-gaap	Multiemployer Plan Period Contributions MultiemployerPlanPeriodContributions	2600000	USD
	us-gaap	Multiemployer Plan Period Contributions MultiemployerPlanPeriodContributions	2600000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-49400000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-11500000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-77400000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	90600000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	103700000	USD
	us-gaap	Nature Of Operations NatureOfOperations	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:12px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"></font><font style="font-family:inherit;font-size:10pt;font-style:italic;">Organization and Nature of Operations.</font><font style="font-family:inherit;font-size:10pt;"> Kaiser Aluminum Corporation (together with its subsidiaries, unless the context otherwise requires, the “Company”) specializes in the production of semi-fabricated specialty aluminum products, such as aluminum sheet and plate and extruded and drawn products, primarily used in aerospace/high strength, automotive, general engineering, and other industrial end market applications. The Company has one operating segment, Fabricated Products. See </font><font style="font-family:inherit;font-size:10pt;">Note 11</font><font style="font-family:inherit;font-size:10pt;"> for additional information regarding the Company’s reportable segment and business unit.</font></div></div>
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-62000000	USD
CY2014Q3	us-gaap	Net Income Loss NetIncomeLoss	15900000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-100000	USD
	us-gaap	Net Income Loss NetIncomeLoss	77500000	USD
CY2013Q3	us-gaap	Net Income Loss NetIncomeLoss	25400000	USD
	us-gaap	Net Income Loss NetIncomeLoss	56200000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	111100000	USD
CY2013Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	41600000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	131700000	USD
CY2014Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	32600000	USD
CY2013Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	44800000	USD
CY2014Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	131700000	USD
CY2013Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	300000	USD
CY2014Q3	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	100000	USD
CY2013Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	104800000	USD
CY2014Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	23800000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	1000000	USD
	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	8000000	USD
	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	3100000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	2600000	USD
	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	1900000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	1600000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	600000	USD
	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	5000000	USD
	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	1200000	USD
	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	3000000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	400000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	1000000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-100000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	100000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-200000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	200000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	0	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	200000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-100000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	100000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	0	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	0	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-100000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	1200000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	6700000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	2000000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	4700000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	500000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	200000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	100000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-300000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	100000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-300000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	200000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	500000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	4300000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1300000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	3100000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	600000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-1300000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-2100000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-6600000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-4100000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-2500000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1300000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-700000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-4100000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-600000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-800000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-2500000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-1600000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	200000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	800000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	200000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	500000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	100000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	100000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	100000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	300000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	100000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-1000000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	500000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-300000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	1400000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-600000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-100000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	900000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	300000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	500000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	200000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-200000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-400000	USD
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	1600000	USD
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	2400000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	5900000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	700000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	600000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	400000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-200000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	100000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	900000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	300000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	100000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	600000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	100000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	0	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	300000	USD
CY2014Q3	us-gaap	Other Inventory Supplies OtherInventorySupplies	19900000	USD
CY2013Q4	us-gaap	Other Inventory Supplies OtherInventorySupplies	18800000	USD
CY2013Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	2700000	USD
CY2014Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	2800000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-500000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	4600000	USD
CY2014Q3	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	-300000	USD
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	1100000	USD
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	100000	USD
CY2013Q3	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	300000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	3100000	USD
CY2014Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2200000	USD
CY2013Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2900000	USD
CY2014Q3	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-1300000	USD
	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	0	USD
CY2013Q3	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	0	USD
	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-1500000	USD
	us-gaap	Other Postretirement Benefits Payments OtherPostretirementBenefitsPayments	20000000	USD
	us-gaap	Other Postretirement Benefits Payments OtherPostretirementBenefitsPayments	16000000	USD
CY2013Q4	us-gaap	Other Receivables OtherReceivables	13400000	USD
CY2014Q3	us-gaap	Other Receivables OtherReceivables	10400000	USD
	us-gaap	Other Significant Noncash Transaction Value Of Consideration Given1 OtherSignificantNoncashTransactionValueOfConsiderationGiven1	0	USD
	us-gaap	Other Significant Noncash Transaction Value Of Consideration Given1 OtherSignificantNoncashTransactionValueOfConsiderationGiven1	200000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	28700000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	43900000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	17300000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	19100000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2400000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2400000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	53400000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	201800000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	47000000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	39600000	USD
CY2013Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2014Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2013Q3	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	21000000	USD
CY2014Q3	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	9500000	USD
CY2014Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2013Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2013Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2014Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2014Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2013Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2014Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	156400000	USD
CY2013Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	44200000	USD
CY2014Q3	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	5700000	USD
CY2013Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	5200000	USD
CY2014Q3	us-gaap	Prepaid Taxes PrepaidTaxes	1000000	USD
CY2013Q4	us-gaap	Prepaid Taxes PrepaidTaxes	0	USD
	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	170700000	USD
	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	82200000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	567200000	USD
CY2014Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	603300000	USD
CY2014Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	442900000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	429300000	USD
CY2013Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	300000	USD
CY2014Q3	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	300000	USD
CY2013Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	9300000	USD
CY2014Q3	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	10000000	USD
CY2013Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	233800000	USD
CY2014Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	271100000	USD
	us-gaap	Revenues Revenues	986200000	USD
	us-gaap	Revenues Revenues	1018100000	USD
CY2014Q3	us-gaap	Revenues Revenues	338900000	USD
CY2013Q3	us-gaap	Revenues Revenues	319900000	USD
	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	986200000	USD
CY2013Q3	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	319900000	USD
CY2014Q3	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	338900000	USD
	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	1018100000	USD
CY2013Q4	us-gaap	Self Insurance Reserve Noncurrent SelfInsuranceReserveNoncurrent	23300000	USD
CY2014Q3	us-gaap	Self Insurance Reserve Noncurrent SelfInsuranceReserveNoncurrent	23000000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	5400000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	6100000	USD
CY2014Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	2722222	shares
CY2014Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	774851	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	2185	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	39.90
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	39.90
CY2014Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	80.01
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	80.01
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	20791	shares
CY2014Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	18606	shares
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y3M
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P2Y6M
	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	40075	shares
	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	33696	shares
CY2014Q3	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount Of Unrecorded Benefit SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit	-1500000	USD
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0	shares
	us-gaap	Stock Issued During Period Value Issued For Services StockIssuedDuringPeriodValueIssuedForServices	200000	USD
	us-gaap	Stock Issued During Period Value Issued For Services StockIssuedDuringPeriodValueIssuedForServices	200000	USD
CY2013	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount	117600000	USD
	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount	88700000	USD
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	2400000	USD
CY2014Q3	us-gaap	Stockholders Equity StockholdersEquity	1100700000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	1084200000	USD
CY2014Q3	us-gaap	Taxes Payable Current TaxesPayableCurrent	6300000	USD
CY2013Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	4300000	USD
	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	70.34
	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	62.14
CY2013Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	2956683	shares
CY2014Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	3367272	shares
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	410589	shares
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	707077	shares
CY2013Q4	us-gaap	Treasury Stock Value TreasuryStockValue	152200000	USD
CY2014Q3	us-gaap	Treasury Stock Value TreasuryStockValue	181100000	USD
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	28900000	USD
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	43900000	USD
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-2300000	USD
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	3600000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3800000	USD
CY2014Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3700000	USD
	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0.025	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	2700000	USD
CY2014Q3	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	2600000	USD
	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:12px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"></font><font style="font-family:inherit;font-size:10pt;font-style:italic;">Use of Estimates in the Preparation of Financial Statements.</font><font style="font-family:inherit;font-size:10pt;"> The preparation of financial statements in accordance with GAAP requires the use of estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities known to exist as of the date the financial statements are published, and the reported amounts of revenues and expenses during the reporting period. Uncertainties with respect to such estimates and assumptions are inherent in the preparation of the Company’s consolidated financial statements; accordingly, it is possible that the actual results could differ from these estimates and assumptions, which could have a material effect on the reported amounts of the Company’s consolidated financial position and results of operations.</font></div></div>
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	19267000	shares
CY2014Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	18619000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	18592000	shares
CY2013Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	19058000	shares
CY2014Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17707000	shares
CY2013Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18548000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18915000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17853000	shares
CY2014Q3	kalu	Accrued Annual Veba Contribution AccruedAnnualVebaContribution	0	USD
CY2013Q4	kalu	Accrued Annual Veba Contribution AccruedAnnualVebaContribution	16000000	USD
	kalu	Defined Benefit Plan Net Periodic Benefit Cost And Charges Relating To Other Benefit Plans DefinedBenefitPlanNetPeriodicBenefitCostAndChargesRelatingToOtherBenefitPlans	-7700000	USD
	kalu	Defined Benefit Plan Net Periodic Benefit Cost And Charges Relating To Other Benefit Plans DefinedBenefitPlanNetPeriodicBenefitCostAndChargesRelatingToOtherBenefitPlans	-6900000	USD
CY2014Q3	kalu	Defined Benefit Plan Net Periodic Benefit Cost And Charges Relating To Other Benefit Plans DefinedBenefitPlanNetPeriodicBenefitCostAndChargesRelatingToOtherBenefitPlans	-3900000	USD
CY2013Q3	kalu	Defined Benefit Plan Net Periodic Benefit Cost And Charges Relating To Other Benefit Plans DefinedBenefitPlanNetPeriodicBenefitCostAndChargesRelatingToOtherBenefitPlans	-3000000	USD
	kalu	Dividends Received From Distributionof Bankruptcy Trust DividendsReceivedFromDistributionofBankruptcyTrust	600000	USD
CY2014Q3	kalu	Dividends Received From Distributionof Bankruptcy Trust DividendsReceivedFromDistributionofBankruptcyTrust	0	USD
	kalu	Dividends Received From Distributionof Bankruptcy Trust DividendsReceivedFromDistributionofBankruptcyTrust	0	USD
CY2013Q3	kalu	Dividends Received From Distributionof Bankruptcy Trust DividendsReceivedFromDistributionofBankruptcyTrust	600000	USD
	kalu	Eva Measurement Period EvaMeasurementPeriod	P1Y
	kalu	Expected Period Related To Remediation Expenditures For Environmental Contingencies Period ExpectedPeriodRelatedToRemediationExpendituresForEnvironmentalContingenciesPeriod	P30Y
	kalu	Fabricated Products Shipments Containing Fixed Price Terms FabricatedProductsShipmentsContainingFixedPriceTerms	109.3	mmlbs
	kalu	Fabricated Products Shipments Containing Fixed Price Terms FabricatedProductsShipmentsContainingFixedPriceTerms	87.2	mmlbs
	kalu	Intercompany Loan IntercompanyLoan	0	USD
	kalu	Intercompany Loan IntercompanyLoan	0	USD
CY2014Q3	kalu	Intercompany Payable Current IntercompanyPayableCurrent	0	USD
CY2013Q4	kalu	Intercompany Payable Current IntercompanyPayableCurrent	0	USD
CY2014Q3	kalu	Intercompany Payable Noncurrent IntercompanyPayableNoncurrent	0	USD
CY2013Q4	kalu	Intercompany Payable Noncurrent IntercompanyPayableNoncurrent	0	USD
CY2014Q3	kalu	Intercompany Receivables Current IntercompanyReceivablesCurrent	0	USD
CY2013Q4	kalu	Intercompany Receivables Current IntercompanyReceivablesCurrent	0	USD
CY2014Q3	kalu	Intercompany Receivables Noncurrent IntercompanyReceivablesNoncurrent	0	USD
CY2013Q4	kalu	Intercompany Receivables Noncurrent IntercompanyReceivablesNoncurrent	0	USD
CY2013Q4	kalu	Net Asset In Respect Of Vebas NetAssetInRespectOfVebas	406000000	USD
CY2014Q3	kalu	Net Asset In Respect Of Vebas NetAssetInRespectOfVebas	430300000	USD
	kalu	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Reclassification Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansReclassificationAdjustmentBeforeTax	6600000	USD
	kalu	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Reclassification Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansReclassificationAdjustmentBeforeTax	4100000	USD
CY2013Q3	kalu	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Reclassification Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansReclassificationAdjustmentBeforeTax	1300000	USD
CY2014Q3	kalu	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Reclassification Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansReclassificationAdjustmentBeforeTax	2100000	USD
	kalu	Other Comprehensive Income Loss Reclassification Adjustment Tax OtherComprehensiveIncomeLossReclassificationAdjustmentTax	1300000	USD
	kalu	Other Comprehensive Income Loss Reclassification Adjustment Tax OtherComprehensiveIncomeLossReclassificationAdjustmentTax	2400000	USD
CY2013Q3	kalu	Other Comprehensive Income Loss Reclassification Adjustment Tax OtherComprehensiveIncomeLossReclassificationAdjustmentTax	500000	USD
CY2014Q3	kalu	Other Comprehensive Income Loss Reclassification Adjustment Tax OtherComprehensiveIncomeLossReclassificationAdjustmentTax	800000	USD
CY2014Q3	kalu	Ownership Interest In Subsidiaries OwnershipInterestInSubsidiaries	1.00
	kalu	Receiptsofcashdividendsfromdistributionofbankruptcytrust Receiptsofcashdividendsfromdistributionofbankruptcytrust	0	USD
	kalu	Receiptsofcashdividendsfromdistributionofbankruptcytrust Receiptsofcashdividendsfromdistributionofbankruptcytrust	600000	USD
	kalu	Reclassification Relating To Dividends On Unvested Equity Awards ReclassificationRelatingToDividendsOnUnvestedEquityAwards	200000	USD
CY2013Q3	kalu	Selling Administrative Research And Development And General Expenses SellingAdministrativeResearchAndDevelopmentAndGeneralExpenses	19000000	USD
	kalu	Selling Administrative Research And Development And General Expenses SellingAdministrativeResearchAndDevelopmentAndGeneralExpenses	62500000	USD
CY2014Q3	kalu	Selling Administrative Research And Development And General Expenses SellingAdministrativeResearchAndDevelopmentAndGeneralExpenses	19000000	USD
	kalu	Selling Administrative Research And Development And General Expenses SellingAdministrativeResearchAndDevelopmentAndGeneralExpenses	61300000	USD
	kalu	Short Term Incentive Compensation Expense ShortTermIncentiveCompensationExpense	12300000	USD
	kalu	Short Term Incentive Compensation Expense ShortTermIncentiveCompensationExpense	9900000	USD
CY2013Q3	kalu	Short Term Incentive Compensation Expense ShortTermIncentiveCompensationExpense	3400000	USD
CY2014Q3	kalu	Short Term Incentive Compensation Expense ShortTermIncentiveCompensationExpense	2900000	USD
	kalu	Total Selling Administrative Research And Development And General Expenses TotalSellingAdministrativeResearchAndDevelopmentAndGeneralExpenses	45600000	USD
CY2013Q3	kalu	Total Selling Administrative Research And Development And General Expenses TotalSellingAdministrativeResearchAndDevelopmentAndGeneralExpenses	13400000	USD
CY2014Q3	kalu	Total Selling Administrative Research And Development And General Expenses TotalSellingAdministrativeResearchAndDevelopmentAndGeneralExpenses	13000000	USD
	kalu	Total Selling Administrative Research And Development And General Expenses TotalSellingAdministrativeResearchAndDevelopmentAndGeneralExpenses	43600000	USD
	kalu	Tradingdayswarrantsareexercisable Tradingdayswarrantsareexercisable	P120D
CY2013Q3	kalu	Unrealized Gain Loss On Financial Derivatives UnrealizedGainLossOnFinancialDerivatives	1600000	USD
CY2014Q3	kalu	Unrealized Gain Loss On Financial Derivatives UnrealizedGainLossOnFinancialDerivatives	2200000	USD
	kalu	Unrealized Gain Loss On Financial Derivatives UnrealizedGainLossOnFinancialDerivatives	3600000	USD
	kalu	Unrealized Gain Loss On Financial Derivatives UnrealizedGainLossOnFinancialDerivatives	1100000	USD
CY2014Q3	kalu	Unrealized Gains Losses On Operational Hedging Activities UnrealizedGainsLossesOnOperationalHedgingActivities	-3600000	USD
	kalu	Unrealized Gains Losses On Operational Hedging Activities UnrealizedGainsLossesOnOperationalHedgingActivities	0	USD
	kalu	Unrealized Gains Losses On Operational Hedging Activities UnrealizedGainsLossesOnOperationalHedgingActivities	-3400000	USD
CY2013Q3	kalu	Unrealized Gains Losses On Operational Hedging Activities UnrealizedGainsLossesOnOperationalHedgingActivities	1500000	USD
CY2013Q4	kalu	Unrecognized Tax Benefits And Income Tax Penalties And Interest Accrued Noncurrent UnrecognizedTaxBenefitsAndIncomeTaxPenaltiesAndInterestAccruedNoncurrent	5000000	USD
CY2014Q3	kalu	Unrecognized Tax Benefits And Income Tax Penalties And Interest Accrued Noncurrent UnrecognizedTaxBenefitsAndIncomeTaxPenaltiesAndInterestAccruedNoncurrent	5000000	USD
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2014
	dei	Document Period End Date DocumentPeriodEndDate	2014-09-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0000811596
CY2014Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	17791518	shares
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	Kaiser Aluminum Corp

Files In Submission

Name	View Source	Status
0000811596-14-000053-index-headers.html	Edgar Link	pending
0000811596-14-000053-index.html	Edgar Link	pending
0000811596-14-000053.txt	Edgar Link	pending
0000811596-14-000053-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
kalu-20140930.xml	Edgar Link	completed
kalu-20140930.xsd	Edgar Link	pending
kalu-20140930_cal.xml	Edgar Link	unprocessable
kalu-20140930_def.xml	Edgar Link	unprocessable
kalu-20140930_lab.xml	Edgar Link	unprocessable
kalu-20140930_pre.xml	Edgar Link	unprocessable
kalu930201410-q.htm	Edgar Link	pending
kaluexhibit311-9302014x10xq.htm	Edgar Link	pending
kaluexhibit312-9302014x10xq.htm	Edgar Link	pending
kaluexhibit321-9302014x10xq.htm	Edgar Link	pending
kaluexhibit322-9302014x10xq.htm	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$KALU
KAISER ALUMINUM CORP Stock $kalu

2014 Q4 Form 10-Q Financial Statement

#000081159614000053 Filed on October 24, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KALU KAISER ALUMINUM CORP Stock $kalu

2014 Q4 Form 10-Q Financial Statement

#000081159614000053 Filed on October 24, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KALU
KAISER ALUMINUM CORP Stock $kalu