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v2.4.1.9

Income Taxes Deferred Income Tax Assets and Liabilities and Valuation Allowances (Narrative) (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2012 | Dec. 31, 2013
Tax Credit Carryforward [Line Items] |  |  |
Deferred Tax Assets, Operating Loss and Tax Credit Carryforwards | $ 188.9 axl_DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards |  | $ 275.8 axl_DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards
Deferred Tax Assets, Operating Loss and Tax Credit Carryforwards, Not Subject to Expiration | 85.6 axl_DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwardsNotSubjectToExpiration |  |
NOL and Tax Credit Carryforward, Range of Carryforward Period, Lower End of Range | 5 years |  |
NOL and Tax Credit Carryforward, Range of Carryforward Period, Upper End of Range | 20 years |  |
Undistributed Earnings of Foreign Subsidiaries | 502.2 us-gaap_UndistributedEarningsOfForeignSubsidiaries |  |
Release of Valuation Allowance on Net Federal Deferred Tax Assets in the U.S. |  | 337.5 axl_ReleaseOfValuationAllowanceOnNetFederalDeferredTaxAssetsInUS |
Deferred Tax Assets, Valuation Allowance | 156.9 us-gaap_DeferredTaxAssetsValuationAllowance |  | 163.7 us-gaap_DeferredTaxAssetsValuationAllowance
difference relating to amount of tax deduction allowed versus US GAAP for stock based compensation [Member] |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation | $ 3.2 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation / us-gaap_TaxCreditCarryforwardAxis = axl_DifferencerelatingtoamountoftaxdeductionallowedversusUSGAAPforstockbasedcompensationMember |  |

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- Definition The sum of the tax effects as of the balance sheet date of the amount of excesses of tax deductions over gross income in a year which cannot be used on the tax returns in the current year but can be carried forward to reduce taxable income or income taxes payable in a future year, for which there must be sufficient tax-basis income to utilize a portion or all of the carryforward amount to realize the deferred tax asset. Amount also includes the tax effect as of the balance sheet date of the amount of future tax deductions arising from all unused tax credit carryforwards which have been reduced by a valuation allowance. + References No definition available. + Details
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- Definition The amount of operating loss carryforwards and unused tax credit carryforwards available to reduce future taxable income which are not subject to expiration dates. + References No definition available. + Details
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- Definition Represents the lower end of the range of years for which we can carryforward the NOL and Tax Credit carryforwards recorded as of period end. + References No definition available. + Details
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- Definition Represents the upper end of the range of years for which we can carryforward the NOL and Tax Credit carryforwards recorded as of period end. + References No definition available. + Details
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- Definition Represents the impact on income tax expense (benefit) due to the release of the valuation allowance on net federal Deferred Tax Assets in the U.S. during the period. + References No definition available. + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from employee compensation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 + Details
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(c) -URI http://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 740 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6479915&loc=d3e66715-112838 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 740 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6487024&loc=d3e29054-158556 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 995 -SubTopic 740 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6503627&loc=d3e59836-110443 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28200-109314 + Details
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