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v2.4.1.9

Supplemental Guarantor Condensed Consolidating Balance Sheets (Details) (USD $) In Millions, unless otherwise specified | Sep. 30, 2014 | Jun. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Dec. 31, 2012
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Current Assets |  |  |  |  |
Cash and cash equivalents | $ 219.0 us-gaap_CashAndCashEquivalentsAtCarryingValue | $ 219.0 us-gaap_CashAndCashEquivalentsAtCarryingValue | $ 154.0 us-gaap_CashAndCashEquivalentsAtCarryingValue | $ 118.6 us-gaap_CashAndCashEquivalentsAtCarryingValue | $ 62.4 us-gaap_CashAndCashEquivalentsAtCarryingValue
Accounts receivable, net | 600.2 us-gaap_ReceivablesNetCurrent |  | 458.5 us-gaap_ReceivablesNetCurrent |  |
Intercompany Receivables | 0 axl_IntercompanyReceivables |  | 0 axl_IntercompanyReceivables |  |
Inventories, net | 249.2 us-gaap_InventoryNet |  | 261.8 us-gaap_InventoryNet |  |
Other current assets | 110.8 us-gaap_OtherAssetsCurrent |  | 122.0 us-gaap_OtherAssetsCurrent |  |
Total current assets | 1,179.2 us-gaap_AssetsCurrent |  | 996.3 us-gaap_AssetsCurrent |  |
Property, plant and equipment, net | 1,066.7 us-gaap_PropertyPlantAndEquipmentNet |  | 1,058.5 us-gaap_PropertyPlantAndEquipmentNet |  |
Goodwill | 155.6 us-gaap_Goodwill |  | 156.4 us-gaap_Goodwill |  |
Intercompany notes and accounts receivable | 0 axl_NotesReceivableIntercompany |  | 0 axl_NotesReceivableIntercompany |  |
Other assets and deferred charges | 826.4 axl_OtherAssetsNoncurrentCondensed |  | 816.3 axl_OtherAssetsNoncurrentCondensed |  |
Investment in subsidiaries | 0 us-gaap_EquityMethodInvestments |  | 0 us-gaap_EquityMethodInvestments |  |
Total assets | 3,227.9 us-gaap_Assets |  | 3,027.5 us-gaap_Assets |  |
Current Liabilities |  |  |  |  |
Current portion of long-term debt | 17.1 us-gaap_LongTermDebtCurrent |  | 0 us-gaap_LongTermDebtCurrent |  |
Accounts payable | 496.3 us-gaap_AccountsPayableCurrent |  | 437.4 us-gaap_AccountsPayableCurrent |  |
Intercompany Payables | 0 axl_IntercompanyPayables |  | 0 axl_IntercompanyPayables |  |
Other current liabilities | 225.1 axl_OtherLiabilitiesCurrentCondensed |  | 221.3 axl_OtherLiabilitiesCurrentCondensed |  |
Total current liabilities | 738.5 us-gaap_LiabilitiesCurrent |  | 658.7 us-gaap_LiabilitiesCurrent |  |
Intercompany notes and accounts payable | 0 axl_NotesPayableIntercompany |  | 0 axl_NotesPayableIntercompany |  |
Long-term debt | 1,525.5 us-gaap_LongTermDebtAndCapitalLeaseObligations |  | 1,559.1 us-gaap_LongTermDebtAndCapitalLeaseObligations |  |
Investment in subsidiaries obligation | 0 axl_InvestmentInSubsidiariesObligation |  | 0 axl_InvestmentInSubsidiariesObligation |  |
Other long-term liabilities | 792.3 us-gaap_OtherLiabilitiesNoncurrent |  | 769.2 us-gaap_OtherLiabilitiesNoncurrent |  |
Total liabilities | 3,056.3 us-gaap_Liabilities |  | 2,987.0 us-gaap_Liabilities |  |
Total stockholders’ equity | 171.6 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |  | 40.5 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |  |
Total liabilities and stockholders' equity | 3,227.9 us-gaap_LiabilitiesAndStockholdersEquity |  | 3,027.5 us-gaap_LiabilitiesAndStockholdersEquity |  |
Holdings [Member] |  |  |  |  |
Current Assets |  |  |  |  |
Cash and cash equivalents | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = axl_HoldingsMember | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = axl_HoldingsMember | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = axl_HoldingsMember | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = axl_HoldingsMember | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = axl_HoldingsMember
Accounts receivable, net | 0 us-gaap_ReceivablesNetCurrent / dei_LegalEntityAxis = axl_HoldingsMember |  | 0 us-gaap_ReceivablesNetCurrent / dei_LegalEntityAxis = axl_HoldingsMember |  |
Intercompany Receivables | 0 axl_IntercompanyReceivables / dei_LegalEntityAxis = axl_HoldingsMember |  | 0 axl_IntercompanyReceivables / dei_LegalEntityAxis = axl_HoldingsMember |  |
Inventories, net | 0 us-gaap_InventoryNet / dei_LegalEntityAxis = axl_HoldingsMember |  | 0 us-gaap_InventoryNet / dei_LegalEntityAxis = axl_HoldingsMember |  |
Other current assets | 0 us-gaap_OtherAssetsCurrent / dei_LegalEntityAxis = axl_HoldingsMember |  | 0 us-gaap_OtherAssetsCurrent / dei_LegalEntityAxis = axl_HoldingsMember |  |
Total current assets | 0 us-gaap_AssetsCurrent / dei_LegalEntityAxis = axl_HoldingsMember |  | 0 us-gaap_AssetsCurrent / dei_LegalEntityAxis = axl_HoldingsMember |  |
Property, plant and equipment, net | 0 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = axl_HoldingsMember |  | 0 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = axl_HoldingsMember |  |
Goodwill | 0 us-gaap_Goodwill / dei_LegalEntityAxis = axl_HoldingsMember |  | 0 us-gaap_Goodwill / dei_LegalEntityAxis = axl_HoldingsMember |  |
Intercompany notes and accounts receivable | 0 axl_NotesReceivableIntercompany / dei_LegalEntityAxis = axl_HoldingsMember |  | 0 axl_NotesReceivableIntercompany / dei_LegalEntityAxis = axl_HoldingsMember |  |
Other assets and deferred charges | 0 axl_OtherAssetsNoncurrentCondensed / dei_LegalEntityAxis = axl_HoldingsMember |  | 0 axl_OtherAssetsNoncurrentCondensed / dei_LegalEntityAxis = axl_HoldingsMember |  |
Investment in subsidiaries | 495.0 us-gaap_EquityMethodInvestments / dei_LegalEntityAxis = axl_HoldingsMember |  | 363.7 us-gaap_EquityMethodInvestments / dei_LegalEntityAxis = axl_HoldingsMember |  |
Total assets | 495.0 us-gaap_Assets / dei_LegalEntityAxis = axl_HoldingsMember |  | 363.7 us-gaap_Assets / dei_LegalEntityAxis = axl_HoldingsMember |  |
Current Liabilities |  |  |  |  |
Current portion of long-term debt | 0 us-gaap_LongTermDebtCurrent / dei_LegalEntityAxis = axl_HoldingsMember |  |  |  |
Accounts payable | 0 us-gaap_AccountsPayableCurrent / dei_LegalEntityAxis = axl_HoldingsMember |  | 0 us-gaap_AccountsPayableCurrent / dei_LegalEntityAxis = axl_HoldingsMember |  |
Intercompany Payables | 0 axl_IntercompanyPayables / dei_LegalEntityAxis = axl_HoldingsMember |  | 0 axl_IntercompanyPayables / dei_LegalEntityAxis = axl_HoldingsMember |  |
Other current liabilities | 0 axl_OtherLiabilitiesCurrentCondensed / dei_LegalEntityAxis = axl_HoldingsMember |  | 0 axl_OtherLiabilitiesCurrentCondensed / dei_LegalEntityAxis = axl_HoldingsMember |  |
Total current liabilities | 0 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = axl_HoldingsMember |  | 0 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = axl_HoldingsMember |  |
Intercompany notes and accounts payable | 323.4 axl_NotesPayableIntercompany / dei_LegalEntityAxis = axl_HoldingsMember |  | 323.2 axl_NotesPayableIntercompany / dei_LegalEntityAxis = axl_HoldingsMember |  |
Long-term debt | 0 us-gaap_LongTermDebtAndCapitalLeaseObligations / dei_LegalEntityAxis = axl_HoldingsMember |  | 0 us-gaap_LongTermDebtAndCapitalLeaseObligations / dei_LegalEntityAxis = axl_HoldingsMember |  |
Investment in subsidiaries obligation | 0 axl_InvestmentInSubsidiariesObligation / dei_LegalEntityAxis = axl_HoldingsMember |  | 0 axl_InvestmentInSubsidiariesObligation / dei_LegalEntityAxis = axl_HoldingsMember |  |
Other long-term liabilities | 0 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = axl_HoldingsMember |  | 0 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = axl_HoldingsMember |  |
Total liabilities | 323.4 us-gaap_Liabilities / dei_LegalEntityAxis = axl_HoldingsMember |  | 323.2 us-gaap_Liabilities / dei_LegalEntityAxis = axl_HoldingsMember |  |
Total stockholders’ equity | 171.6 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = axl_HoldingsMember |  | 40.5 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = axl_HoldingsMember |  |
Total liabilities and stockholders' equity | 495.0 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = axl_HoldingsMember |  | 363.7 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = axl_HoldingsMember |  |
AAM Inc. [Member] |  |  |  |  |
Current Assets |  |  |  |  |
Cash and cash equivalents | 39.2 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = axl_AamIncMember | 39.2 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = axl_AamIncMember | 36.9 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = axl_AamIncMember | 25.1 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = axl_AamIncMember | 10.6 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = axl_AamIncMember
Accounts receivable, net | 164.3 us-gaap_ReceivablesNetCurrent / dei_LegalEntityAxis = axl_AamIncMember |  | 102.7 us-gaap_ReceivablesNetCurrent / dei_LegalEntityAxis = axl_AamIncMember |  |
Intercompany Receivables | 170.9 axl_IntercompanyReceivables / dei_LegalEntityAxis = axl_AamIncMember |  | 180.5 axl_IntercompanyReceivables / dei_LegalEntityAxis = axl_AamIncMember |  |
Inventories, net | 62.3 us-gaap_InventoryNet / dei_LegalEntityAxis = axl_AamIncMember |  | 62.4 us-gaap_InventoryNet / dei_LegalEntityAxis = axl_AamIncMember |  |
Other current assets | 39.9 us-gaap_OtherAssetsCurrent / dei_LegalEntityAxis = axl_AamIncMember |  | 43.8 us-gaap_OtherAssetsCurrent / dei_LegalEntityAxis = axl_AamIncMember |  |
Total current assets | 476.6 us-gaap_AssetsCurrent / dei_LegalEntityAxis = axl_AamIncMember |  | 426.3 us-gaap_AssetsCurrent / dei_LegalEntityAxis = axl_AamIncMember |  |
Property, plant and equipment, net | 227.0 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = axl_AamIncMember |  | 239.8 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = axl_AamIncMember |  |
Goodwill | 0 us-gaap_Goodwill / dei_LegalEntityAxis = axl_AamIncMember |  | 0 us-gaap_Goodwill / dei_LegalEntityAxis = axl_AamIncMember |  |
Intercompany notes and accounts receivable | 327.3 axl_NotesReceivableIntercompany / dei_LegalEntityAxis = axl_AamIncMember |  | 327.0 axl_NotesReceivableIntercompany / dei_LegalEntityAxis = axl_AamIncMember |  |
Other assets and deferred charges | 665.0 axl_OtherAssetsNoncurrentCondensed / dei_LegalEntityAxis = axl_AamIncMember |  | 671.7 axl_OtherAssetsNoncurrentCondensed / dei_LegalEntityAxis = axl_AamIncMember |  |
Investment in subsidiaries | 1,401.4 us-gaap_EquityMethodInvestments / dei_LegalEntityAxis = axl_AamIncMember |  | 1,240.1 us-gaap_EquityMethodInvestments / dei_LegalEntityAxis = axl_AamIncMember |  |
Total assets | 3,097.3 us-gaap_Assets / dei_LegalEntityAxis = axl_AamIncMember |  | 2,904.9 us-gaap_Assets / dei_LegalEntityAxis = axl_AamIncMember |  |
Current Liabilities |  |  |  |  |
Current portion of long-term debt | 8.4 us-gaap_LongTermDebtCurrent / dei_LegalEntityAxis = axl_AamIncMember |  |  |  |
Accounts payable | 156.0 us-gaap_AccountsPayableCurrent / dei_LegalEntityAxis = axl_AamIncMember |  | 106.2 us-gaap_AccountsPayableCurrent / dei_LegalEntityAxis = axl_AamIncMember |  |
Intercompany Payables | 153.7 axl_IntercompanyPayables / dei_LegalEntityAxis = axl_AamIncMember |  | 117.4 axl_IntercompanyPayables / dei_LegalEntityAxis = axl_AamIncMember |  |
Other current liabilities | 117.4 axl_OtherLiabilitiesCurrentCondensed / dei_LegalEntityAxis = axl_AamIncMember |  | 120.4 axl_OtherLiabilitiesCurrentCondensed / dei_LegalEntityAxis = axl_AamIncMember |  |
Total current liabilities | 435.5 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = axl_AamIncMember |  | 344.0 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = axl_AamIncMember |  |
Intercompany notes and accounts payable | 3.9 axl_NotesPayableIntercompany / dei_LegalEntityAxis = axl_AamIncMember |  | 3.7 axl_NotesPayableIntercompany / dei_LegalEntityAxis = axl_AamIncMember |  |
Long-term debt | 1,485.9 us-gaap_LongTermDebtAndCapitalLeaseObligations / dei_LegalEntityAxis = axl_AamIncMember |  | 1,500.0 us-gaap_LongTermDebtAndCapitalLeaseObligations / dei_LegalEntityAxis = axl_AamIncMember |  |
Investment in subsidiaries obligation | 0 axl_InvestmentInSubsidiariesObligation / dei_LegalEntityAxis = axl_AamIncMember |  | 0 axl_InvestmentInSubsidiariesObligation / dei_LegalEntityAxis = axl_AamIncMember |  |
Other long-term liabilities | 677.0 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = axl_AamIncMember |  | 693.5 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = axl_AamIncMember |  |
Total liabilities | 2,602.3 us-gaap_Liabilities / dei_LegalEntityAxis = axl_AamIncMember |  | 2,541.2 us-gaap_Liabilities / dei_LegalEntityAxis = axl_AamIncMember |  |
Total stockholders’ equity | 495.0 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = axl_AamIncMember |  | 363.7 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = axl_AamIncMember |  |
Total liabilities and stockholders' equity | 3,097.3 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = axl_AamIncMember |  | 2,904.9 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = axl_AamIncMember |  |
Guarantor Subsidiaries [Member] |  |  |  |  |
Current Assets |  |  |  |  |
Cash and cash equivalents | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember
Accounts receivable, net | 28.6 us-gaap_ReceivablesNetCurrent / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  | 25.6 us-gaap_ReceivablesNetCurrent / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  |
Intercompany Receivables | 164.0 axl_IntercompanyReceivables / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  | 116.6 axl_IntercompanyReceivables / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  |
Inventories, net | 32.1 us-gaap_InventoryNet / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  | 34.2 us-gaap_InventoryNet / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  |
Other current assets | 3.0 us-gaap_OtherAssetsCurrent / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  | 3.2 us-gaap_OtherAssetsCurrent / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  |
Total current assets | 227.7 us-gaap_AssetsCurrent / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  | 179.6 us-gaap_AssetsCurrent / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  |
Property, plant and equipment, net | 86.5 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  | 83.0 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  |
Goodwill | 147.9 us-gaap_Goodwill / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  | 147.8 us-gaap_Goodwill / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  |
Intercompany notes and accounts receivable | 216.8 axl_NotesReceivableIntercompany / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  | 201.5 axl_NotesReceivableIntercompany / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  |
Other assets and deferred charges | 45.8 axl_OtherAssetsNoncurrentCondensed / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  | 44.8 axl_OtherAssetsNoncurrentCondensed / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  |
Investment in subsidiaries | 0 us-gaap_EquityMethodInvestments / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  | 0 us-gaap_EquityMethodInvestments / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  |
Total assets | 724.7 us-gaap_Assets / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  | 656.7 us-gaap_Assets / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  |
Current Liabilities |  |  |  |  |
Current portion of long-term debt | 0 us-gaap_LongTermDebtCurrent / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  |  |  |
Accounts payable | 47.3 us-gaap_AccountsPayableCurrent / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  | 44.5 us-gaap_AccountsPayableCurrent / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  |
Intercompany Payables | 125.2 axl_IntercompanyPayables / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  | 98.6 axl_IntercompanyPayables / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  |
Other current liabilities | 5.4 axl_OtherLiabilitiesCurrentCondensed / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  | 4.1 axl_OtherLiabilitiesCurrentCondensed / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  |
Total current liabilities | 177.9 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  | 147.2 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  |
Intercompany notes and accounts payable | 0 axl_NotesPayableIntercompany / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  | 0 axl_NotesPayableIntercompany / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  |
Long-term debt | 5.0 us-gaap_LongTermDebtAndCapitalLeaseObligations / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  | 5.3 us-gaap_LongTermDebtAndCapitalLeaseObligations / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  |
Investment in subsidiaries obligation | 34.4 axl_InvestmentInSubsidiariesObligation / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  | 15.2 axl_InvestmentInSubsidiariesObligation / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  |
Other long-term liabilities | 0.6 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  | 0.5 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  |
Total liabilities | 217.9 us-gaap_Liabilities / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  | 168.2 us-gaap_Liabilities / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  |
Total stockholders’ equity | 506.8 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  | 488.5 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  |
Total liabilities and stockholders' equity | 724.7 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  | 656.7 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = axl_GuarantorSubsidiariesOfCertainNotesMember |  |
Non-Guarantor Subsidiaries [Member] |  |  |  |  |
Current Assets |  |  |  |  |
Cash and cash equivalents | 179.8 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 179.8 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 117.1 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 93.5 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 51.8 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Accounts receivable, net | 407.3 us-gaap_ReceivablesNetCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 330.2 us-gaap_ReceivablesNetCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Intercompany Receivables | 10.1 axl_IntercompanyReceivables / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 9.2 axl_IntercompanyReceivables / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Inventories, net | 154.8 us-gaap_InventoryNet / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 165.2 us-gaap_InventoryNet / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Other current assets | 67.9 us-gaap_OtherAssetsCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 75.0 us-gaap_OtherAssetsCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Total current assets | 819.9 us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 696.7 us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Property, plant and equipment, net | 753.2 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 735.7 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Goodwill | 7.7 us-gaap_Goodwill / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 8.6 us-gaap_Goodwill / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Intercompany notes and accounts receivable | 0 axl_NotesReceivableIntercompany / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 0 axl_NotesReceivableIntercompany / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Other assets and deferred charges | 115.6 axl_OtherAssetsNoncurrentCondensed / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 99.8 axl_OtherAssetsNoncurrentCondensed / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Investment in subsidiaries | 0 us-gaap_EquityMethodInvestments / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 0 us-gaap_EquityMethodInvestments / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Total assets | 1,696.4 us-gaap_Assets / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 1,540.8 us-gaap_Assets / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Current Liabilities |  |  |  |  |
Current portion of long-term debt | 8.7 us-gaap_LongTermDebtCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |  |
Accounts payable | 293.0 us-gaap_AccountsPayableCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 286.7 us-gaap_AccountsPayableCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Intercompany Payables | 62.2 axl_IntercompanyPayables / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 90.3 axl_IntercompanyPayables / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Other current liabilities | 102.3 axl_OtherLiabilitiesCurrentCondensed / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 96.8 axl_OtherLiabilitiesCurrentCondensed / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Total current liabilities | 466.2 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 473.8 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Intercompany notes and accounts payable | 220.7 axl_NotesPayableIntercompany / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 201.6 axl_NotesPayableIntercompany / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Long-term debt | 34.6 us-gaap_LongTermDebtAndCapitalLeaseObligations / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 53.8 us-gaap_LongTermDebtAndCapitalLeaseObligations / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Investment in subsidiaries obligation | 0 axl_InvestmentInSubsidiariesObligation / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 0 axl_InvestmentInSubsidiariesObligation / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Other long-term liabilities | 114.7 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 75.2 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Total liabilities | 836.2 us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 804.4 us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Total stockholders’ equity | 860.2 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 736.4 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Total liabilities and stockholders' equity | 1,696.4 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 1,540.8 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Elims [Member] |  |  |  |  |
Current Assets |  |  |  |  |
Cash and cash equivalents | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Accounts receivable, net | 0 us-gaap_ReceivablesNetCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | 0 us-gaap_ReceivablesNetCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Intercompany Receivables | (345.0)axl_IntercompanyReceivables / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (306.3)axl_IntercompanyReceivables / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Inventories, net | 0 us-gaap_InventoryNet / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | 0 us-gaap_InventoryNet / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Other current assets | 0 us-gaap_OtherAssetsCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | 0 us-gaap_OtherAssetsCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Total current assets | (345.0)us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (306.3)us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Property, plant and equipment, net | 0 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | 0 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Goodwill | 0 us-gaap_Goodwill / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | 0 us-gaap_Goodwill / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Intercompany notes and accounts receivable | (544.1)axl_NotesReceivableIntercompany / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (528.5)axl_NotesReceivableIntercompany / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Other assets and deferred charges | 0 axl_OtherAssetsNoncurrentCondensed / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | 0 axl_OtherAssetsNoncurrentCondensed / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Investment in subsidiaries | (1,896.4)us-gaap_EquityMethodInvestments / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (1,603.8)us-gaap_EquityMethodInvestments / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Total assets | (2,785.5)us-gaap_Assets / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (2,438.6)us-gaap_Assets / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Current Liabilities |  |  |  |  |
Current portion of long-term debt | 0 us-gaap_LongTermDebtCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |  |
Accounts payable | 0 us-gaap_AccountsPayableCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | 0 us-gaap_AccountsPayableCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Intercompany Payables | (341.1)axl_IntercompanyPayables / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (306.3)axl_IntercompanyPayables / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Other current liabilities | 0 axl_OtherLiabilitiesCurrentCondensed / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | 0 axl_OtherLiabilitiesCurrentCondensed / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Total current liabilities | (341.1)us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (306.3)us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Intercompany notes and accounts payable | (548.0)axl_NotesPayableIntercompany / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (528.5)axl_NotesPayableIntercompany / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Long-term debt | 0 us-gaap_LongTermDebtAndCapitalLeaseObligations / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | 0 us-gaap_LongTermDebtAndCapitalLeaseObligations / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Investment in subsidiaries obligation | (34.4)axl_InvestmentInSubsidiariesObligation / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (15.2)axl_InvestmentInSubsidiariesObligation / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Other long-term liabilities | 0 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | 0 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Total liabilities | (923.5)us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (850.0)us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Total stockholders’ equity | (1,862.0)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (1,588.6)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Total liabilities and stockholders' equity | $ (2,785.5)us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | $ (2,438.6)us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585 + Details
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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=16385135&loc=d3e33749-111570 + Details
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