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v2.4.1.9

Employee Benefit Plans Deferred Compensation Plan (Narrative) (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2013
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |  |  |  |
Deferred compensation distributions | $ 1.2 axl_DeferredCompensationDistributions | $ 6.1 axl_DeferredCompensationDistributions | $ 0.8 axl_DeferredCompensationDistributions |
Increase (decrease) in deferred compensation | 0.3 us-gaap_IncreaseDecreaseInDeferredCompensation | 0.8 us-gaap_IncreaseDecreaseInDeferredCompensation | 1.3 us-gaap_IncreaseDecreaseInDeferredCompensation |
Deferred compensation arrangement with individuals, recorded liability | 5.6 us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability | 6.2 us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability |  |
Board of Directors Chairman [Member] |  |  |  |
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |  |  |  |
Deferred compensation arrangement with individual, distributions paid |  |  |  | 5.6 us-gaap_DeferredCompensationArrangementWithIndividualDistributionsPaid / us-gaap_TitleOfIndividualAxis = us-gaap_BoardOfDirectorsChairmanMember
Increase (decrease) in deferred compensation |  | (5.6)us-gaap_IncreaseDecreaseInDeferredCompensation / us-gaap_TitleOfIndividualAxis = us-gaap_BoardOfDirectorsChairmanMember |  |
Proceeds from life insurance policies |  | $ 5.0 us-gaap_ProceedsFromLifeInsurancePolicies / us-gaap_TitleOfIndividualAxis = us-gaap_BoardOfDirectorsChairmanMember |  |

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- Definition The amount of distributions made from the deferred compensation plan to individuals in accordance with the terms and understanding of the deferred compensation arrangement during the reporting period. + References No definition available. + Details
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Namespace Prefix: | axl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The amount of distributions made to the individual during the period. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Details
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- Definition The carrying amount of the liability as of the balance sheet date to an individual under a deferred compensation arrangement. This amount may be the result of periodic accruals made over the period of active employment, or reflect termination benefits resulting contractual terms or a death benefit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 30 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363 + Details
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- Definition The increase (decrease) during the reporting period in the obligation created by employee agreements whereby earned compensation will be paid in the future. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition The cash inflow for proceeds from life insurance policies for which the entity is the beneficiary. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Details
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Period Type: |