Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current Assets
Cash and cash equivalents	$ 249.2	$ 154.0
Accounts receivable, net	532.7us-gaap_ReceivablesNetCurrent	458.5us-gaap_ReceivablesNetCurrent
Inventories, net	248.8us-gaap_InventoryNet	261.8us-gaap_InventoryNet
Deferred income taxes	40.2us-gaap_DeferredTaxAssetsNetCurrent	34.9us-gaap_DeferredTaxAssetsNetCurrent
Prepaid expenses and other	68.6	87.1
Total current assets	1,139.5us-gaap_AssetsCurrent	996.3us-gaap_AssetsCurrent
Property, plant and equipment, net	1,061.1us-gaap_PropertyPlantAndEquipmentNet	1,058.5us-gaap_PropertyPlantAndEquipmentNet
Deferred income taxes	368.8us-gaap_DeferredTaxAssetsNetNoncurrent	341.8us-gaap_DeferredTaxAssetsNetNoncurrent
Goodwill	155.0us-gaap_Goodwill	156.4us-gaap_Goodwill
GM postretirement cost sharing asset	274.5	242.0
Other assets and deferred charges	260.3us-gaap_OtherAssetsNoncurrent	232.5us-gaap_OtherAssetsNoncurrent
Total assets	3,259.2us-gaap_Assets	3,027.5us-gaap_Assets
Current Liabilities
Current portion of long-term debt	13.0us-gaap_LongTermDebtCurrent	0us-gaap_LongTermDebtCurrent
Accounts payable	444.3us-gaap_AccountsPayableCurrent	437.4us-gaap_AccountsPayableCurrent
Accrued compensation and benefits	109.1	110.1
Deferred revenue	22.1us-gaap_DeferredRevenueCurrent	17.0us-gaap_DeferredRevenueCurrent
Deferred income taxes	0.1us-gaap_DeferredTaxLiabilitiesCurrent	0.1us-gaap_DeferredTaxLiabilitiesCurrent
Other accrued expenses	98.6us-gaap_OtherLiabilitiesCurrent	94.1us-gaap_OtherLiabilitiesCurrent
Total current liabilities	687.2us-gaap_LiabilitiesCurrent	658.7us-gaap_LiabilitiesCurrent
Long-term debt	1,523.4	1,559.1
Deferred income taxes	9.1	9.8
Deferred revenue	94.2us-gaap_DeferredRevenueNoncurrent	76.4us-gaap_DeferredRevenueNoncurrent
Postretirement benefits and other long-term liabilities	831.9	683.0
Total liabilities	3,145.8us-gaap_Liabilities	2,987.0us-gaap_Liabilities
Stockholders' equity
Series A junior participating preferred stock, par value $0.01 per share; 0.1 million shares authorized; no shares outstanding in 2014 or 2013	0	0
Preferred stock, par value $0.01 per share; 10.0 million shares authorized; no shares outstanding in 2014 or 2013	0us-gaap_PreferredStockValueOutstanding	0us-gaap_PreferredStockValueOutstanding
Common stock, par value $0.01 per share; 150.0 million shares authorized; 81.9 million and 81.6 million shares issued and outstanding in 2014 and 2013, respectively	0.8us-gaap_CommonStockValueOutstanding	0.8us-gaap_CommonStockValueOutstanding
Series common stock, par value $0.01 per share; 40.0 million shares authorized; no shares outstanding in 2014 or 2013	0axl_SeriesCommonStock	0axl_SeriesCommonStock
Paid-in capital	623.7	612.8
Accumulated deficit	(31.4)	(174.4)
Treasury stock at cost, 6.1 million shares in 2014 and 6.0 million shares in 2013	(182.8)us-gaap_TreasuryStockValue	(182.5)us-gaap_TreasuryStockValue
Accumulated other comprehensive income (loss), net of tax
Defined benefit plans	(240.6)	(197.9)
Foreign currency translation adjustments	(48.9)	(18.6)
Unrecognized gain (loss) on derivatives	(7.4)	0.3
Total AAM stockholders' equity	113.4us-gaap_StockholdersEquity	40.5us-gaap_StockholdersEquity
Noncontrolling interest in subsidiaries	0us-gaap_MinorityInterest	0us-gaap_MinorityInterest
Total stockholders’ equity	113.4	40.5
Total liabilities and stockholders' equity	$ 3,259.2	$ 3,027.5

Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment and other (not separately disclosed on the balance sheet) that is expected to be realized or consumed after one year (or the normal operating cycle, if longer).

No definition available.