XML 55 R8.htm IDEA: XBRL DOCUMENT v2.4.1.9
Consolidated Statements of Stockholders' Equity (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Paid-in capital $ 623.7us-gaap_AdditionalPaidInCapitalCommonStock $ 612.8us-gaap_AdditionalPaidInCapitalCommonStock $ 623.7us-gaap_AdditionalPaidInCapitalCommonStock $ 612.8us-gaap_AdditionalPaidInCapitalCommonStock    
Accumulated deficit (31.4)us-gaap_RetainedEarningsAccumulatedDeficit (174.4)us-gaap_RetainedEarningsAccumulatedDeficit (31.4)us-gaap_RetainedEarningsAccumulatedDeficit (174.4)us-gaap_RetainedEarningsAccumulatedDeficit    
Treasury stock (182.8)us-gaap_TreasuryStockValue (182.5)us-gaap_TreasuryStockValue (182.8)us-gaap_TreasuryStockValue (182.5)us-gaap_TreasuryStockValue    
Accumulated other comprehensive income (loss), net of tax (296.9)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax (216.2)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax (296.9)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax (216.2)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax (264.6)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax  
Noncontrolling interest in subsidiaries 0us-gaap_MinorityInterest 0us-gaap_MinorityInterest 0us-gaap_MinorityInterest 0us-gaap_MinorityInterest    
Net income attributable to AAM 13.2us-gaap_NetIncomeLoss 29.8us-gaap_NetIncomeLoss 143.0us-gaap_NetIncomeLoss 94.5us-gaap_NetIncomeLoss 367.7us-gaap_NetIncomeLoss  
Net loss attributable to noncontrolling interests     0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest 0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest 1.0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest  
Change in derivatives     (7.7)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax (2.0)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax 7.8us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax  
Foreign currency translation adjustment     (30.3)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax (26.2)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax (9.4)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax  
Foreign currency translation adjustments attributable to noncontrolling interests     0us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest 0us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest 0.3us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest  
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Net of Tax     (42.7)us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax 76.6us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax (58.9)us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax  
2008 GM agreement, shares issued to GM through exercise of warrants             
Change in additional paid in capital for purchase of noncontrolling interest         1.2axl_ChangeInAdditionalPaidInCapitalForPurchaseOfNoncontrollingInterest  
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests         (5.2)us-gaap_MinorityInterestDecreaseFromRedemptions  
Common Stock [Member]            
Common stock, shares outstanding 75.8us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
75.6us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
75.8us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
75.6us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
74.8us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
73.8us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
Common stock, par value 0.8us-gaap_CommonStockValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
0.8us-gaap_CommonStockValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
0.8us-gaap_CommonStockValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
0.8us-gaap_CommonStockValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
0.8us-gaap_CommonStockValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
0.8us-gaap_CommonStockValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
Stock issued during period, exercise of stock options and vesting of restricted stock     0.2us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
0.8us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
1.5us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
 
Treasury stock, shares, acquired         (0.5)us-gaap_TreasuryStockSharesAcquired
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
 
Additional Paid-in Capital [Member]            
Paid-in capital 623.7us-gaap_AdditionalPaidInCapitalCommonStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
612.8us-gaap_AdditionalPaidInCapitalCommonStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
623.7us-gaap_AdditionalPaidInCapitalCommonStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
612.8us-gaap_AdditionalPaidInCapitalCommonStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
600.9us-gaap_AdditionalPaidInCapitalCommonStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
597.2us-gaap_AdditionalPaidInCapitalCommonStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
Change in additional paid in capital for exercise of stock options and vesting of restricted stock     1.2us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
1.1us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
0.1us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Adjustments to additional paid in capital, stock based compensation     9.7us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
10.8us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
2.4us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Retained Earnings [Member]            
Accumulated deficit (31.4)us-gaap_RetainedEarningsAccumulatedDeficit
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(174.4)us-gaap_RetainedEarningsAccumulatedDeficit
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(31.4)us-gaap_RetainedEarningsAccumulatedDeficit
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(174.4)us-gaap_RetainedEarningsAccumulatedDeficit
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(268.9)us-gaap_RetainedEarningsAccumulatedDeficit
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(636.6)us-gaap_RetainedEarningsAccumulatedDeficit
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
Net income attributable to AAM     143.0us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
94.5us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
367.7us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
 
Treasury Stock [Member]            
Treasury stock (182.8)us-gaap_TreasuryStockValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
(182.5)us-gaap_TreasuryStockValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
(182.8)us-gaap_TreasuryStockValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
(182.5)us-gaap_TreasuryStockValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
(182.1)us-gaap_TreasuryStockValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
(176.2)us-gaap_TreasuryStockValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
Treasury stock, value, acquired, cost method     (0.3)us-gaap_TreasuryStockValueAcquiredCostMethod
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
(0.4)us-gaap_TreasuryStockValueAcquiredCostMethod
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
(5.9)us-gaap_TreasuryStockValueAcquiredCostMethod
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
 
Accumulated Other Comprehensive Income (Loss) [Member]            
Accumulated other comprehensive income (loss), net of tax (296.9)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(216.2)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(296.9)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(216.2)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(264.6)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(203.8)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
Change in derivatives     (7.7)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(2.0)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
7.8us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
 
Foreign currency translation adjustment     (30.3)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(26.2)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(9.7)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
 
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Net of Tax     42.7us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(76.6)us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
58.9us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
 
Noncontrolling Interest [Member]            
Noncontrolling interest in subsidiaries 0us-gaap_MinorityInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
0us-gaap_MinorityInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
0us-gaap_MinorityInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
0us-gaap_MinorityInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
0us-gaap_MinorityInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
5.9us-gaap_MinorityInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Net loss attributable to noncontrolling interests         1.0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
 
Foreign currency translation adjustments attributable to noncontrolling interests         $ 0.3us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember