2.4.0.6 Html 606 471 1 true 97 0 false 11 false false R1.htm 00 - Document - Document and Entity Information Sheet http://ampcopittsburgh.com/role/DocumentAndEntityInformation Document and Entity Information true false R2.htm 0110 - Statement - Consolidated Balance Sheets Sheet http://ampcopittsburgh.com/role/BalanceSheets Consolidated Balance Sheets false false R3.htm 0111 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://ampcopittsburgh.com/role/BalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) false false R4.htm 0120 - Statement - Consolidated Statements of Operations Sheet http://ampcopittsburgh.com/role/StatementsOfOperations Consolidated Statements of Operations false false R5.htm 0130 - Statement - Consolidated Statements of Comprehensive Income Sheet http://ampcopittsburgh.com/role/StatementsOfComprehensiveIncome Consolidated Statements of Comprehensive Income false false R6.htm 0140 - Statement - Consolidated Statements of Shareholders' Equity Sheet http://ampcopittsburgh.com/role/StatementsOfShareholdersEquity Consolidated Statements of Shareholders' Equity false false R7.htm 0141 - Statement - Consolidated Statements of Shareholders' Equity (Parenthetical) Sheet http://ampcopittsburgh.com/role/StatementsOfShareholdersEquityParenthetical Consolidated Statements of Shareholders' Equity (Parenthetical) false false R8.htm 0150 - Statement - Consolidated Statements of Cash Flows Sheet http://ampcopittsburgh.com/role/StatementsOfCashFlows Consolidated Statements of Cash Flows false false R9.htm 0201 - Disclosure - Description of Business Sheet http://ampcopittsburgh.com/role/DescriptionOfBusiness Description of Business false false R10.htm 0202 - Disclosure - Summary of Significant Accounting Policies Sheet http://ampcopittsburgh.com/role/SummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies false false R11.htm 0203 - Disclosure - Investments in Joint Ventures Sheet http://ampcopittsburgh.com/role/InvestmentsInJointVentures Investments in Joint Ventures false false R12.htm 0204 - Disclosure - Inventories Sheet http://ampcopittsburgh.com/role/Inventories Inventories false false R13.htm 0205 - Disclosure - Property, Plant and Equipment Sheet http://ampcopittsburgh.com/role/PropertyPlantAndEquipment Property, Plant and Equipment false false R14.htm 0206 - Disclosure - Other Current Liabilities Sheet http://ampcopittsburgh.com/role/OtherCurrentLiabilities Other Current Liabilities false false R15.htm 0207 - Disclosure - Borrowing Arrangements Sheet http://ampcopittsburgh.com/role/BorrowingArrangements Borrowing Arrangements false false R16.htm 0208 - Disclosure - Pension and Other Postretirement Benefits Sheet http://ampcopittsburgh.com/role/PensionAndOtherPostretirementBenefits Pension and Other Postretirement Benefits false false R17.htm 0209 - Disclosure - Commitments and Contingent Liabilities Sheet http://ampcopittsburgh.com/role/CommitmentsAndContingentLiabilities Commitments and Contingent Liabilities false false R18.htm 0210 - Disclosure - Stock-Based Compensation Sheet http://ampcopittsburgh.com/role/StockBasedCompensation Stock-Based Compensation false false R19.htm 0211 - Disclosure - Accumulated Other Comprehensive Loss Sheet http://ampcopittsburgh.com/role/AccumulatedOtherComprehensiveLoss Accumulated Other Comprehensive Loss false false R20.htm 0212 - Disclosure - Derivative Instruments Sheet http://ampcopittsburgh.com/role/DerivativeInstruments Derivative Instruments false false R21.htm 0213 - Disclosure - Fair Value Sheet http://ampcopittsburgh.com/role/FairValue Fair Value false false R22.htm 0214 - Disclosure - Income Taxes Sheet http://ampcopittsburgh.com/role/IncomeTaxes Income Taxes false false R23.htm 0215 - Disclosure - Operating Leases Sheet http://ampcopittsburgh.com/role/OperatingLeases Operating Leases false false R24.htm 0216 - Disclosure - Research and Development Costs Sheet http://ampcopittsburgh.com/role/ResearchAndDevelopmentCosts Research and Development Costs false false R25.htm 0217 - Disclosure - Related Parties Sheet http://ampcopittsburgh.com/role/RelatedParties Related Parties false false R26.htm 0218 - Disclosure - Litigation Sheet http://ampcopittsburgh.com/role/Litigation Litigation false false R27.htm 0219 - Disclosure - Environmental Matters Sheet http://ampcopittsburgh.com/role/EnvironmentalMatters Environmental Matters false false R28.htm 0220 - Disclosure - Business Segments Sheet http://ampcopittsburgh.com/role/BusinessSegments Business Segments false false R29.htm 0221 - Disclosure - Quarterly Information - Unaudited Sheet http://ampcopittsburgh.com/role/QuarterlyInformation Quarterly Information - Unaudited false false R30.htm 0301 - Schedule - Valuation and Qualifying Accounts Sheet http://ampcopittsburgh.com/role/ValuationAndQualifyingAccounts Valuation and Qualifying Accounts false false R31.htm 0402 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://ampcopittsburgh.com/role/SummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) false false R32.htm 0503 - Disclosure - Investments In Joint Ventures (Tables) Sheet http://ampcopittsburgh.com/role/InvestmentsInJointVenturesTables Investments In Joint Ventures (Tables) false false R33.htm 0504 - Disclosure - Inventories (Tables) Sheet http://ampcopittsburgh.com/role/InventoriesTables Inventories (Tables) false false R34.htm 0505 - Disclosure - Property, Plant and Equipment (Tables) Sheet http://ampcopittsburgh.com/role/PropertyPlantAndEquipmentTables Property, Plant and Equipment (Tables) false false R35.htm 0506 - Disclosure - Other Current Liabilities (Tables) Sheet http://ampcopittsburgh.com/role/OtherCurrentLiabilitiesTables Other Current Liabilities (Tables) false false R36.htm 0508 - Disclosure - Pension and Other Postretirement Benefits (Tables) Sheet http://ampcopittsburgh.com/role/PensionAndOtherPostretirementBenefitsTables Pension and Other Postretirement Benefits (Tables) false false R37.htm 0510 - Disclosure - Stock-Based Compensation (Tables) Sheet http://ampcopittsburgh.com/role/StockBasedCompensationTables Stock-Based Compensation (Tables) false false R38.htm 0511 - Disclosure - Accumulated Other Comprehensive Loss (Tables) Sheet http://ampcopittsburgh.com/role/AccumulatedOtherComprehensiveLossTables Accumulated Other Comprehensive Loss (Tables) false false R39.htm 0512 - Disclosure - Derivative Instruments (Tables) Sheet http://ampcopittsburgh.com/role/DerivativeInstrumentsTables Derivative Instruments (Tables) false false R40.htm 0513 - Disclosure - Fair Value (Tables) Sheet http://ampcopittsburgh.com/role/FairValueTables Fair Value (Tables) false false R41.htm 0514 - Disclosure - Income Taxes (Tables) Sheet http://ampcopittsburgh.com/role/IncomeTaxesTables Income Taxes (Tables) false false R42.htm 0518 - Disclosure - Litigation (Tables) Sheet http://ampcopittsburgh.com/role/LitigationTables Litigation (Tables) false false R43.htm 0520 - Disclosure - Business Segments (Tables) Sheet http://ampcopittsburgh.com/role/BusinessSegmentsTables Business Segments (Tables) false false R44.htm 0521 - Disclosure - Quarterly Information - Unaudited (Tables) Sheet http://ampcopittsburgh.com/role/QuarterlyInformationTables Quarterly Information - Unaudited (Tables) false false R45.htm 0601 - Disclosure - Description of Business (Details) Sheet http://ampcopittsburgh.com/role/DescriptionOfBusinessDetails Description of Business (Details) false false R46.htm 0602 - Disclosure - Summary of Significant Accounting (Details) Sheet http://ampcopittsburgh.com/role/SummaryOfSignificantAccountingDetails Summary of Significant Accounting (Details) false false R47.htm 0603 - Disclosure - Investments In Joint Ventures (Details) Sheet http://ampcopittsburgh.com/role/InvestmentsInJointVenturesDetails Investments In Joint Ventures (Details) false false R48.htm 06031 - Disclosure - Investments In Joint Ventures (Details Textual) Sheet http://ampcopittsburgh.com/role/InvestmentsInJointVenturesDetailsTextual Investments In Joint Ventures (Details Textual) false false R49.htm 0604 - Disclosure - Inventories (Details) Sheet http://ampcopittsburgh.com/role/InventoriesDetails Inventories (Details) false false R50.htm 06041 - Disclosure - Inventories (Details Textual) Sheet http://ampcopittsburgh.com/role/InventoriesDetailsTextual Inventories (Details Textual) false false R51.htm 0605 - Disclosure - Property, Plant and Equipment (Details) Sheet http://ampcopittsburgh.com/role/PropertyPlantAndEquipmentDetails Property, Plant and Equipment (Details) false false R52.htm 06051 - Disclosure - Property, Plant and Equipment (Details Textual) Sheet http://ampcopittsburgh.com/role/PropertyPlantAndEquipmentDetailsTextual Property, Plant and Equipment (Details Textual) false false R53.htm 0606 - Disclosure - Other Current Liabilities (Details) Sheet http://ampcopittsburgh.com/role/OtherCurrentLiabilitiesDetails Other Current Liabilities (Details) false false R54.htm 06061 - Disclosure - Other Current Liabilities (Details1) Sheet http://ampcopittsburgh.com/role/OtherCurrentLiabilitiesDetails1 Other Current Liabilities (Details1) false false R55.htm 0607 - Disclosure - Borrowing Arrangements (Details) Sheet http://ampcopittsburgh.com/role/BorrowingArrangementsDetails Borrowing Arrangements (Details) false false R56.htm 0608 - Disclosure - Pension and Other Postretirement Benefits (Details) Sheet http://ampcopittsburgh.com/role/PensionAndOtherPostretirementBenefitsDetails Pension and Other Postretirement Benefits (Details) false false R57.htm 060801 - Disclosure - Pension and Other Postretirement Benefits (Details 1) Sheet http://ampcopittsburgh.com/role/PensionAndOtherPostretirementBenefitDetails1 Pension and Other Postretirement Benefits (Details 1) false false R58.htm 060802 - Disclosure - Pension and Other Postretirement Benefits (Details 2) Sheet http://ampcopittsburgh.com/role/PensionAndOtherPostretirementBenefitsDetails2 Pension and Other Postretirement Benefits (Details 2) false false R59.htm 060803 - Disclosure - Pension and Other Postretirement Benefits (Details 3) Sheet http://ampcopittsburgh.com/role/PensionAndOtherPostretirementBenefitsDetails3 Pension and Other Postretirement Benefits (Details 3) false false R60.htm 060804 - Disclosure - Pension and Other Postretirement Benefits (Details 4) Sheet http://ampcopittsburgh.com/role/PensionAndOtherPostretirementBenefitsDetails4 Pension and Other Postretirement Benefits (Details 4) false false R61.htm 060805 - Disclosure - Pension and Other Postretirement Benefits (Details 5) Sheet http://ampcopittsburgh.com/role/PensionAndOtherPostretirementBenefitsDetails5 Pension and Other Postretirement Benefits (Details 5) false false R62.htm 060806 - Disclosure - Pension and Other Postretirement Benefits (Details 6) Sheet http://ampcopittsburgh.com/role/PensionAndOtherPostretirementBenefitsDetails6 Pension and Other Postretirement Benefits (Details 6) false false R63.htm 060807 - Disclosure - Pension and Other Postretirement Benefits (Details 7) Sheet http://ampcopittsburgh.com/role/PensionAndOtherPostretirementBenefitsDetails7 Pension and Other Postretirement Benefits (Details 7) false false R64.htm 060808 - Disclosure - Pension and Other Postretirement Benefits (Details 8) Sheet http://ampcopittsburgh.com/role/PensionAndOtherPostretirementBenefitsDetails8 Pension and Other Postretirement Benefits (Details 8) false false R65.htm 060809 - Disclosure - Pension and Other Postretirement Benefits (Details 9) Sheet http://ampcopittsburgh.com/role/PensionAndOtherPostretirementBenefitsDetails9 Pension and Other Postretirement Benefits (Details 9) false false R66.htm 060810 - Disclosure - Pension and Other Postretirement Benefits (Details 10) Sheet http://ampcopittsburgh.com/role/PensionAndOtherPostretirementBenefitsDetails10 Pension and Other Postretirement Benefits (Details 10) false false R67.htm 060811 - Disclosure - Pension and Other Postretirement Benefits (Details 11) Sheet http://ampcopittsburgh.com/role/PensionAndOtherPostretirementBenefitsDetails11 Pension and Other Postretirement Benefits (Details 11) false false R68.htm 060812 - Disclosure - Pension and Other Postretirement Benefits (Details 12) Sheet http://ampcopittsburgh.com/role/PensionAndOtherPostretirementBenefitsDetails12 Pension and Other Postretirement Benefits (Details 12) false false R69.htm 060813 - Disclosure - Pension and Other Postretirement Benefits (Details Textual) Sheet http://ampcopittsburgh.com/role/PensionAndOtherPostretirementBenefitsDetailsTextual Pension and Other Postretirement Benefits (Details Textual) false false R70.htm 0609 - Disclosure - Commitments and Contingent Liabilities (Details) Sheet http://ampcopittsburgh.com/role/CommitmentsAndContingentLiabilitiesDetailsTextual Commitments and Contingent Liabilities (Details) false false R71.htm 0610 - Disclosure - Stock-Based Compensation (Details) Sheet http://ampcopittsburgh.com/role/StockBasedCompensationDetails Stock-Based Compensation (Details) false false R72.htm 06101 - Disclosure - Stock-Based Compensation (Details 1) Sheet http://ampcopittsburgh.com/role/StockBasedCompensationDetails1 Stock-Based Compensation (Details 1) false false R73.htm 06102 - Disclosure - Stock-Based Compensation (Details Textual) Sheet http://ampcopittsburgh.com/role/StockBasedCompensationDetailsTextual Stock-Based Compensation (Details Textual) false false R74.htm 0611 - Disclosure - Accumulated Other Comprehensive Loss (Details) Sheet http://ampcopittsburgh.com/role/AccumulatedOtherComprehensiveLossDetails Accumulated Other Comprehensive Loss (Details) false false R75.htm 06111 - Disclosure - Accumulated Other Comprehensive Loss (Details 1) Sheet http://ampcopittsburgh.com/role/AccumulatedOtherComprehensiveLossDetails1 Accumulated Other Comprehensive Loss (Details 1) false false R76.htm 0612 - Disclosure - Derivative Instruments (Details) Sheet http://ampcopittsburgh.com/role/DerivativeInstrumentsDetails Derivative Instruments (Details) false false R77.htm 06121 - Disclosure - Derivative Instruments (Details 1) Sheet http://ampcopittsburgh.com/role/DerivativeInstrumentsDetails1 Derivative Instruments (Details 1) false false R78.htm 06122 - Disclosure - Derivative Instruments (Details 2) Sheet http://ampcopittsburgh.com/role/DerivativeInstrumentsDetails2 Derivative Instruments (Details 2) false false R79.htm 06123 - Disclosure - Derivative Instruments (Details) (Textual) Sheet http://ampcopittsburgh.com/role/DerivativeInstrumentsDetailsTextual Derivative Instruments (Details) (Textual) false false R80.htm 0613 - Disclosure - Fair Value (Details) Sheet http://ampcopittsburgh.com/role/FairValueDetails Fair Value (Details) false false R81.htm 0614 - Disclosure - Income Taxes (Details) Sheet http://ampcopittsburgh.com/role/IncomeTaxesDetails Income Taxes (Details) false false R82.htm 06141 - Disclosure - Income Taxes (Details 1) Sheet http://ampcopittsburgh.com/role/IncomeTaxesDetails1 Income Taxes (Details 1) false false R83.htm 06142 - Disclosure - Income Taxes (Details 2) Sheet http://ampcopittsburgh.com/role/IncomeTaxesDetails2 Income Taxes (Details 2) false false R84.htm 06143 - Disclosure - Income Taxes (Details 3) Sheet http://ampcopittsburgh.com/role/IncomeTaxesDetails3 Income Taxes (Details 3) false false R85.htm 06144 - Disclosure - Income Taxes (Details 4) Sheet http://ampcopittsburgh.com/role/IncomeTaxesDetails4 Income Taxes (Details 4) false false R86.htm 06145 - Disclosure - Income Taxes (Details Textual) Sheet http://ampcopittsburgh.com/role/IncomeTaxesDetailsTextual Income Taxes (Details Textual) false false R87.htm 0615 - Disclosure - Operating Leases (Details) Sheet http://ampcopittsburgh.com/role/OperatingLeasesDetails Operating Leases (Details) false false R88.htm 0616 - Disclosure - Research and Development Costs (Details) Sheet http://ampcopittsburgh.com/role/ResearchAndDevelopmentCostsDetails Research and Development Costs (Details) false false R89.htm 0617 - Disclosure - Related Parties (Details) Sheet http://ampcopittsburgh.com/role/RelatedPartiesDetails Related Parties (Details) false false R90.htm 0618 - Disclosure - Litigation (Details) Sheet http://ampcopittsburgh.com/role/LitigationDetails Litigation (Details) false false R91.htm 06181 - Disclosure - Litigation (Details 1) Sheet http://ampcopittsburgh.com/role/LitigationDetails1 Litigation (Details 1) false false R92.htm 06182 - Disclosure - Litigation (Details Textual) Sheet http://ampcopittsburgh.com/role/LitigationDetailsTextual Litigation (Details Textual) false false R93.htm 0619 - Disclosure - Environmental Matters (Details) Sheet http://ampcopittsburgh.com/role/EnvironmentalMattersDetails Environmental Matters (Details) false false R94.htm 0620 - Disclosure - Business Segments (Details) Sheet http://ampcopittsburgh.com/role/BusinessSegmentsDetails Business Segments (Details) false false R95.htm 06201 - Disclosure - Business Segments (Details Textual) Sheet http://ampcopittsburgh.com/role/BusinessSegmentsDetailsTextual Business Segments (Details Textual) false false R96.htm 0621 - Disclosure - Quarterly Information - Unaudited (Details) Sheet http://ampcopittsburgh.com/role/QuarterlyInformationDetails Quarterly Information - Unaudited (Details) false false R97.htm 06211 - Disclosure - Quarterly Information - Unaudited (Details Textual) Sheet http://ampcopittsburgh.com/role/QuarterlyInformationDetailsTextual Quarterly Information - Unaudited (Details Textual) false false R98.htm 0701 - Schedule - Valuation and Qualifying Accounts (Details) Sheet http://ampcopittsburgh.com/role/ValuationAndQualifyingAccountsDetails Valuation and Qualifying Accounts (Details) false false All Reports Book All Reports 'Shares' elements on report '0602 - Disclosure - Summary of Significant Accounting (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '060813 - Disclosure - Pension and Other Postretirement Benefits (Details Textual)' had a mix of different decimal attribute values. 'Monetary' elements on report '0618 - Disclosure - Litigation (Details)' had a mix of different decimal attribute values. Process Flow-Through: 0110 - Statement - Consolidated Balance Sheets Process Flow-Through: Removing column 'Dec. 31, 2010' Process Flow-Through: Removing column 'Dec. 31, 2009' Process Flow-Through: 0111 - Statement - Consolidated Balance Sheets (Parenthetical) Process Flow-Through: 0120 - Statement - Consolidated Statements of Operations Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2012' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2012' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2012' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2012' Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2011' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2011' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2011' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2011' Process Flow-Through: 0130 - Statement - Consolidated Statements of Comprehensive Income Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2012' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2012' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2012' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2012' Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2011' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2011' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2011' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2011' Process Flow-Through: 0141 - Statement - Consolidated Statements of Shareholders' Equity (Parenthetical) Process Flow-Through: 0150 - Statement - Consolidated Statements of Cash Flows ap-20121231.xml ap-20121231.xsd ap-20121231_cal.xml ap-20121231_def.xml ap-20121231_lab.xml ap-20121231_pre.xml true true