<?xml version="1.0" encoding="utf-8"?>
<FilingSummary xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <Version>2.4.1.9</Version>
  <ProcessingTime />
  <ReportFormat>Html</ReportFormat>
  <ContextCount>472</ContextCount>
  <ElementCount>448</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>140</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>7</UnitCount>
  <MyReports>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>101 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DocumentandEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
    </Report>
    <Report>
      <IsDefault>true</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>103 - Statement - Condensed Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/StatementOfFinancialPositionClassified</Role>
      <ShortName>Condensed Consolidated Balance Sheets</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>104 - Statement - Condensed Consolidated Statements of Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/StatementOfIncome</Role>
      <ShortName>Condensed Consolidated Statements of Income</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>105 - Statement - Condensed Consolidated Statements of Comprehensive Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/StatementOfOtherComprehensiveIncome</Role>
      <ShortName>Condensed Consolidated Statements of Comprehensive Income</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>106 - Statement - Condensed Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/StatementOfCashFlowsIndirect</Role>
      <ShortName>Condensed Consolidated Statements of Cash Flows</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>107 - Disclosure - Basis of Presentation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsBusinessDescriptionAndBasisOfPresentationTextBlock</Role>
      <ShortName>Basis of Presentation</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>108 - Disclosure - New Accounting Standards</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock</Role>
      <ShortName>New Accounting Standards</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>109 - Disclosure - Allowance for Doubtful Accounts</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsLoansNotesTradeAndOtherReceivablesDisclosureTextBlock</Role>
      <ShortName>Allowance for Doubtful Accounts</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>110 - Disclosure - Inventories</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsInventoryDisclosureTextBlock</Role>
      <ShortName>Inventories</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>111 - Disclosure - Property, Plant and Equipment, Net</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsPropertyPlantAndEquipmentDisclosureTextBlock</Role>
      <ShortName>Property, Plant and Equipment, Net</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>112 - Disclosure - Accrued Warranties</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsProductWarrantyDisclosureTextBlock</Role>
      <ShortName>Accrued Warranties</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>113 - Disclosure - Earnings Per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsEarningsPerShareTextBlock</Role>
      <ShortName>Earnings Per Share</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>114 - Disclosure - Goodwill and Intangible Assets, Net</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsGoodwillAndIntangibleAssetsDisclosureTextBlock</Role>
      <ShortName>Goodwill and Intangible Assets, Net</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>115 - Disclosure - Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsDebtDisclosureTextBlock</Role>
      <ShortName>Debt</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>116 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsIncomeTaxDisclosureTextBlock</Role>
      <ShortName>Income Taxes</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>117 - Disclosure - Shareholders' Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsStockholdersEquityNoteDisclosureTextBlock</Role>
      <ShortName>Shareholders' Equity</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>118 - Disclosure - Share-Based Compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock</Role>
      <ShortName>Share-Based Compensation</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>119 - Disclosure - Derivatives</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsDerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock</Role>
      <ShortName>Derivatives</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>120 - Disclosure - Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsFairValueMeasurementInputsDisclosureTextBlock</Role>
      <ShortName>Fair Value Measurements</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>121 - Disclosure - Other Comprehensive Income (Loss)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsComprehensiveIncomeNoteTextBlock</Role>
      <ShortName>Other Comprehensive Income (Loss)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>122 - Disclosure - Restructuring Program</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsRestructuringAndRelatedActivitiesDisclosureTextBlock</Role>
      <ShortName>Restructuring Program</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>123 - Disclosure - Retirement Benefits</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsPensionAndOtherPostretirementBenefitsDisclosureTextBlock</Role>
      <ShortName>Retirement Benefits</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>124 - Disclosure - Business Segment Data</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsSegmentReportingDisclosureTextBlock</Role>
      <ShortName>Business Segment Data</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>125 - Disclosure - Significant Customers</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsConcentrationRiskDisclosureTextBlock</Role>
      <ShortName>Significant Customers</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>126 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsCommitmentsAndContingenciesDisclosureTextBlock</Role>
      <ShortName>Commitments and Contingencies</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>127 - Disclosure - Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsRelatedPartyTransactionsDisclosureTextBlock</Role>
      <ShortName>Related Party Transactions</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>128 - Disclosure - Transfer of Ownership of Manufacturing Facility</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsTransferOfOwnershipOfManufacturingFacilityTextBlock</Role>
      <ShortName>Transfer of Ownership of Manufacturing Facility</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>129 - Disclosure - Acquisitions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsBusinessCombinationDisclosureTextBlock</Role>
      <ShortName>Acquisitions</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>130 - Disclosure - Agreement to Acquire Bang &amp; Olufsen Automotive Car Audio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsAgreementToAcquireBusinessTextBlock</Role>
      <ShortName>Agreement to Acquire Bang &amp; Olufsen Automotive Car Audio</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>131 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsSubsequentEventsTextBlock</Role>
      <ShortName>Subsequent Events</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>132 - Disclosure - New Accounting Standards (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlockPolicies</Role>
      <ShortName>New Accounting Standards (Policies)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>133 - Disclosure - Inventories (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsInventoryDisclosureTextBlockTables</Role>
      <ShortName>Inventories (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>134 - Disclosure - Property, Plant and Equipment, Net (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsPropertyPlantAndEquipmentDisclosureTextBlockTables</Role>
      <ShortName>Property, Plant and Equipment, Net (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>135 - Disclosure - Accrued Warranties (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsProductWarrantyDisclosureTextBlockTables</Role>
      <ShortName>Accrued Warranties (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>136 - Disclosure - Earnings Per Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsEarningsPerShareTextBlockTables</Role>
      <ShortName>Earnings Per Share (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>137 - Disclosure - Goodwill and Intangible Assets, Net (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsGoodwillAndIntangibleAssetsDisclosureTextBlockTables</Role>
      <ShortName>Goodwill and Intangible Assets, Net (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>138 - Disclosure - Debt (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsDebtDisclosureTextBlockTables</Role>
      <ShortName>Debt (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>139 - Disclosure - Shareholders' Equity (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsStockholdersEquityNoteDisclosureTextBlockTables</Role>
      <ShortName>Shareholders' Equity (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>140 - Disclosure - Share-Based Compensation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlockTables</Role>
      <ShortName>Share-Based Compensation (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>141 - Disclosure - Derivatives (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsDerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlockTables</Role>
      <ShortName>Derivatives (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>142 - Disclosure - Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsFairValueMeasurementInputsDisclosureTextBlockTables</Role>
      <ShortName>Fair Value Measurements (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>143 - Disclosure - Other Comprehensive Income (Loss) (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsComprehensiveIncomeNoteTextBlockTables</Role>
      <ShortName>Other Comprehensive Income (Loss) (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>144 - Disclosure - Restructuring Program (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsRestructuringAndRelatedActivitiesDisclosureTextBlockTables</Role>
      <ShortName>Restructuring Program (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>145 - Disclosure - Retirement Benefits (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsPensionAndOtherPostretirementBenefitsDisclosureTextBlockTables</Role>
      <ShortName>Retirement Benefits (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>146 - Disclosure - Business Segment Data (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsSegmentReportingDisclosureTextBlockTables</Role>
      <ShortName>Business Segment Data (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>147 - Disclosure - Significant Customers (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsConcentrationRiskDisclosureTextBlockTables</Role>
      <ShortName>Significant Customers (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>148 - Disclosure - Acquisitions (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/NotesToFinancialStatementsBusinessCombinationDisclosureTextBlockTables</Role>
      <ShortName>Acquisitions (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>149 - Disclosure - Allowance for Doubtful Accounts - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureAllowanceForDoubtfulAccountsAdditionalInformation</Role>
      <ShortName>Allowance for Doubtful Accounts - Additional Information (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>150 - Disclosure - Inventories - Schedule of Inventories (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureInventoriesScheduleOfInventories</Role>
      <ShortName>Inventories - Schedule of Inventories (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>151 - Disclosure - Inventories - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureInventoriesAdditionalInformation</Role>
      <ShortName>Inventories - Additional Information (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>152 - Disclosure - Property, Plant and Equipment, net - Schedule of Property, Plant and Equipment, Net (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentNetScheduleOfPropertyPlantAndEquipmentNet</Role>
      <ShortName>Property, Plant and Equipment, net - Schedule of Property, Plant and Equipment, Net (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>153 - Disclosure - Property, Plant and Equipment, net - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentNetAdditionalInformation</Role>
      <ShortName>Property, Plant and Equipment, net - Additional Information (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>154 - Disclosure - Accrued Warranties - Schedule of Accrued Warranties (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureAccruedWarrantiesScheduleOfAccruedWarranties</Role>
      <ShortName>Accrued Warranties - Schedule of Accrued Warranties (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>155 - Disclosure - Earnings Per Share - Schedule of Calculation of Basic and Diluted Earnings per Share of Common Stock Outstanding (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureEarningsPerShareScheduleOfCalculationOfBasicAndDilutedEarningsPerShareOfCommonStockOutstanding</Role>
      <ShortName>Earnings Per Share - Schedule of Calculation of Basic and Diluted Earnings per Share of Common Stock Outstanding (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>156 - Disclosure - Earnings Per Share - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureEarningsPerShareAdditionalInformation</Role>
      <ShortName>Earnings Per Share - Additional Information (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>157 - Disclosure - Goodwill and Intangible Assets, Net - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureGoodwillAndIntangibleAssetsNetAdditionalInformation</Role>
      <ShortName>Goodwill and Intangible Assets, Net - Additional Information (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>158 - Disclosure - Goodwill and Intangible Assets, Net - Schedule of Changes in Carrying Amount of Goodwill (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureGoodwillAndIntangibleAssetsNetScheduleOfChangesInCarryingAmountOfGoodwill</Role>
      <ShortName>Goodwill and Intangible Assets, Net - Schedule of Changes in Carrying Amount of Goodwill (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>159 - Disclosure - Goodwill and Intangible Assets, Net - Schedule of Intangible Assets, Net (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureGoodwillAndIntangibleAssetsNetScheduleOfIntangibleAssetsNet</Role>
      <ShortName>Goodwill and Intangible Assets, Net - Schedule of Intangible Assets, Net (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>160 - Disclosure - Goodwill and Intangible Assets, Net - Schedule of Intangible Assets, Net (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureGoodwillAndIntangibleAssetsNetScheduleOfIntangibleAssetsNetParenthetical</Role>
      <ShortName>Goodwill and Intangible Assets, Net - Schedule of Intangible Assets, Net (Parenthetical) (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>161 - Disclosure - Goodwill and Intangible Assets, Net - Schedule of Amortization Expense of Intangible Assets (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureGoodwillAndIntangibleAssetsNetScheduleOfAmortizationExpenseOfIntangibleAssets</Role>
      <ShortName>Goodwill and Intangible Assets, Net - Schedule of Amortization Expense of Intangible Assets (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>162 - Disclosure - Debt - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureDebtAdditionalInformation</Role>
      <ShortName>Debt - Additional Information (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>163 - Disclosure - Debt - Schedule of Long-Term Debt and Current Portion of Long-Term Debt (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureDebtScheduleOfLongTermDebtAndCurrentPortionOfLongTermDebt</Role>
      <ShortName>Debt - Schedule of Long-Term Debt and Current Portion of Long-Term Debt (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>164 - Disclosure - Debt - Long-Term Debt, Maturities in Years (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureDebtLongTermDebtMaturitiesInYears</Role>
      <ShortName>Debt - Long-Term Debt, Maturities in Years (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>165 - Disclosure - Income Taxes - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureIncomeTaxesAdditionalInformation</Role>
      <ShortName>Income Taxes - Additional Information (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>166 - Disclosure - Shareholders' Equity - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureShareholdersEquityAdditionalInformation</Role>
      <ShortName>Shareholders' Equity - Additional Information (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>167 - Disclosure - Shareholders' Equity - Schedule of Changes in Accumulated Other Comprehensive Income and Changes in Equity (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureShareholdersEquityScheduleOfChangesInAccumulatedOtherComprehensiveIncomeAndChangesInEquity</Role>
      <ShortName>Shareholders' Equity - Schedule of Changes in Accumulated Other Comprehensive Income and Changes in Equity (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>168 - Disclosure - Shareholders' Equity - Schedule of Changes in Accumulated Other Comprehensive Income and Changes in Equity (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureShareholdersEquityScheduleOfChangesInAccumulatedOtherComprehensiveIncomeAndChangesInEquityParenthetical</Role>
      <ShortName>Shareholders' Equity - Schedule of Changes in Accumulated Other Comprehensive Income and Changes in Equity (Parenthetical) (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>169 - Disclosure - Share-Based Compensation - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureShareBasedCompensationAdditionalInformation</Role>
      <ShortName>Share-Based Compensation - Additional Information (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>170 - Disclosure - Share-Based Compensation - Schedule of Fair Value of Each Option Award Estimated on Date of Grant Using Black-Scholes Option Valuation Model (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureShareBasedCompensationScheduleOfFairValueOfEachOptionAwardEstimatedOnDateOfGrantUsingBlackScholesOptionValuationModel</Role>
      <ShortName>Share-Based Compensation - Schedule of Fair Value of Each Option Award Estimated on Date of Grant Using Black-Scholes Option Valuation Model (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>171 - Disclosure - Share-Based Compensation - Summary of Stock Option Activity (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureShareBasedCompensationSummaryOfStockOptionActivity</Role>
      <ShortName>Share-Based Compensation - Summary of Stock Option Activity (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>172 - Disclosure - Share-Based Compensation - Schedule of Nonvested Restricted Stock Unit Activity (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureShareBasedCompensationScheduleOfNonvestedRestrictedStockUnitActivity</Role>
      <ShortName>Share-Based Compensation - Schedule of Nonvested Restricted Stock Unit Activity (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>173 - Disclosure - Share-Based Compensation - Schedule of Nonvested Restricted Stock Unit Activity (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureShareBasedCompensationScheduleOfNonvestedRestrictedStockUnitActivityParenthetical</Role>
      <ShortName>Share-Based Compensation - Schedule of Nonvested Restricted Stock Unit Activity (Parenthetical) (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>174 - Disclosure - Share-Based Compensation - Summary of Cash-Settled Stock Appreciation Rights (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureShareBasedCompensationSummaryOfCashSettledStockAppreciationRights</Role>
      <ShortName>Share-Based Compensation - Summary of Cash-Settled Stock Appreciation Rights (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>175 - Disclosure - Derivatives - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureDerivativesAdditionalInformation</Role>
      <ShortName>Derivatives - Additional Information (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>176 - Disclosure - Derivatives - Schedule of Outstanding Foreign Exchange Contracts, Primarily Forward Contracts (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureDerivativesScheduleOfOutstandingForeignExchangeContractsPrimarilyForwardContracts</Role>
      <ShortName>Derivatives - Schedule of Outstanding Foreign Exchange Contracts, Primarily Forward Contracts (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>177 - Disclosure - Derivatives - Summary of Fair Value Amounts of Derivative Instruments (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureDerivativesSummaryOfFairValueAmountsOfDerivativeInstruments</Role>
      <ShortName>Derivatives - Summary of Fair Value Amounts of Derivative Instruments (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>178 - Disclosure - Derivatives - Schedule of Derivative Activity for Derivatives Designated as Cash Flow Hedges (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureDerivativesScheduleOfDerivativeActivityForDerivativesDesignatedAsCashFlowHedges</Role>
      <ShortName>Derivatives - Schedule of Derivative Activity for Derivatives Designated as Cash Flow Hedges (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>179 - Disclosure - Derivatives - Summary of Gains and Losses from Derivative Instruments that are Not Designated as Hedging Instruments (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureDerivativesSummaryOfGainsAndLossesFromDerivativeInstrumentsThatAreNotDesignatedAsHedgingInstruments</Role>
      <ShortName>Derivatives - Summary of Gains and Losses from Derivative Instruments that are Not Designated as Hedging Instruments (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>180 - Disclosure - Fair Value Measurements - Fair Value Hierarchy for Assets and Liabilities Measured on Recurring Basis (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForAssetsAndLiabilitiesMeasuredOnRecurringBasis</Role>
      <ShortName>Fair Value Measurements - Fair Value Hierarchy for Assets and Liabilities Measured on Recurring Basis (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>181 - Disclosure - Fair Value Measurements - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureFairValueMeasurementsAdditionalInformation</Role>
      <ShortName>Fair Value Measurements - Additional Information (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>182 - Disclosure - Fair Value Measurements - Fair Value Hierarchy for Assets and Liabilities Measured on Non-Recurring Basis (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForAssetsAndLiabilitiesMeasuredOnNonRecurringBasis</Role>
      <ShortName>Fair Value Measurements - Fair Value Hierarchy for Assets and Liabilities Measured on Non-Recurring Basis (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>183 - Disclosure - Other Comprehensive Income (Loss) - Schedule of Other Comprehensive Income (Loss) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureOtherComprehensiveIncomeLossScheduleOfOtherComprehensiveIncomeLoss</Role>
      <ShortName>Other Comprehensive Income (Loss) - Schedule of Other Comprehensive Income (Loss) (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>184 - Disclosure - Other Comprehensive Income (Loss) - Schedule of Accumulated Other Comprehensive Income Loss (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureOtherComprehensiveIncomeLossScheduleOfAccumulatedOtherComprehensiveIncomeLoss</Role>
      <ShortName>Other Comprehensive Income (Loss) - Schedule of Accumulated Other Comprehensive Income Loss (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>185 - Disclosure - Other Comprehensive Income (Loss) - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureOtherComprehensiveIncomeLossAdditionalInformation</Role>
      <ShortName>Other Comprehensive Income (Loss) - Additional Information (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>186 - Disclosure - Restructuring Program - Rollforward of Restructuring Accrual (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureRestructuringProgramRollforwardOfRestructuringAccrual</Role>
      <ShortName>Restructuring Program - Rollforward of Restructuring Accrual (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>187 - Disclosure - Restructuring Program - Restructuring Expenses by Reporting Business Segment (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureRestructuringProgramRestructuringExpensesByReportingBusinessSegment</Role>
      <ShortName>Restructuring Program - Restructuring Expenses by Reporting Business Segment (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>188 - Disclosure - Retirement Benefits - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureRetirementBenefitsAdditionalInformation</Role>
      <ShortName>Retirement Benefits - Additional Information (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>189 - Disclosure - Retirement Benefits - Components of Net Periodic Benefit Cost (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureRetirementBenefitsComponentsOfNetPeriodicBenefitCost</Role>
      <ShortName>Retirement Benefits - Components of Net Periodic Benefit Cost (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>190 - Disclosure - Business Segment Data - Schedule of Reports for Net Sales and Operating Income (Loss) by Each Reporting Segment (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureBusinessSegmentDataScheduleOfReportsForNetSalesAndOperatingIncomeLossByEachReportingSegment</Role>
      <ShortName>Business Segment Data - Schedule of Reports for Net Sales and Operating Income (Loss) by Each Reporting Segment (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>191 - Disclosure - Significant Customers - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureSignificantCustomersAdditionalInformation</Role>
      <ShortName>Significant Customers - Additional Information (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>192 - Disclosure - Significant Customers - Schedule of Percentage of Net Sales and Net Accounts Receivable Due from Customers (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureSignificantCustomersScheduleOfPercentageOfNetSalesAndNetAccountsReceivableDueFromCustomers</Role>
      <ShortName>Significant Customers - Schedule of Percentage of Net Sales and Net Accounts Receivable Due from Customers (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>193 - Disclosure - Commitments and Contingencies - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureCommitmentsAndContingenciesAdditionalInformation</Role>
      <ShortName>Commitments and Contingencies - Additional Information (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>194 - Disclosure - Related Party Transactions - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureRelatedPartyTransactionsAdditionalInformation</Role>
      <ShortName>Related Party Transactions - Additional Information (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>195 - Disclosure - Transfer of Ownership of Manufacturing Facility - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureTransferOfOwnershipOfManufacturingFacilityAdditionalInformation</Role>
      <ShortName>Transfer of Ownership of Manufacturing Facility - Additional Information (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R95.htm</HtmlFileName>
      <LongName>196 - Disclosure - Acquisitions - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureAcquisitionsAdditionalInformation</Role>
      <ShortName>Acquisitions - Additional Information (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R96.htm</HtmlFileName>
      <LongName>197 - Disclosure - Acquisitions - Schedule of Cost of Acquisition, including Fair Value of Contingent Consideration Allocated to Assets Acquired and Liabilities Assumed (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureAcquisitionsScheduleOfCostOfAcquisitionIncludingFairValueOfContingentConsiderationAllocatedToAssetsAcquiredAndLiabilitiesAssumed</Role>
      <ShortName>Acquisitions - Schedule of Cost of Acquisition, including Fair Value of Contingent Consideration Allocated to Assets Acquired and Liabilities Assumed (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R97.htm</HtmlFileName>
      <LongName>198 - Disclosure - Agreement to Acquire S1nn GmbH &amp; Co. KG - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureAgreementToAcquireS1nnGmbHCoKGAdditionalInformation</Role>
      <ShortName>Agreement to Acquire S1nn GmbH &amp; Co. KG - Additional Information (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R98.htm</HtmlFileName>
      <LongName>199 - Disclosure - Subsequent Events - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.harman.com/taxonomy/role/DisclosureSubsequentEventsAdditionalInformation</Role>
      <ShortName>Subsequent Events - Additional Information (Detail)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Info">Element har_PotentialPaymentRemittanceDuringPeriod had a mix of decimals attribute values: -5 0.</Log>
    <Log type="Info">Element us-gaap_BusinessCombinationConsiderationTransferred1 had a mix of decimals attribute values: -6 -5.</Log>
    <Log type="Info">Element us-gaap_BusinessCombinationContingentConsiderationLiability had a mix of decimals attribute values: -5 0.</Log>
    <Log type="Info">Element us-gaap_GoodwillPeriodIncreaseDecrease had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_RepaymentsOfLongTermDebt had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Columns in Cash Flows statement 'Condensed Consolidated Statements of Cash Flows (USD $)' have maximum duration 273 days and at least 46 values. Shorter duration columns must have at least one fourth (11) as many values. Column '1/1/2014 - 3/31/2014' is shorter (89 days) and has only 3 values, so it is being removed.</Log>
    <Log type="Info">Columns in Cash Flows statement 'Condensed Consolidated Statements of Cash Flows (USD $)' have maximum duration 273 days and at least 46 values. Shorter duration columns must have at least one fourth (11) as many values. Column '12/31/2014 - 3/31/2015' is shorter (90 days) and has only 3 values, so it is being removed.</Log>
    <Log type="Info">'Monetary' elements on report '157 - Disclosure - Goodwill and Intangible Assets, Net - Additional Information (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '162 - Disclosure - Debt - Additional Information (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '165 - Disclosure - Income Taxes - Additional Information (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '169 - Disclosure - Share-Based Compensation - Additional Information (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '175 - Disclosure - Derivatives - Additional Information (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '176 - Disclosure - Derivatives - Schedule of Outstanding Foreign Exchange Contracts, Primarily Forward Contracts (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '181 - Disclosure - Fair Value Measurements - Additional Information (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '188 - Disclosure - Retirement Benefits - Additional Information (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '196 - Disclosure - Acquisitions - Additional Information (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '199 - Disclosure - Subsequent Events - Additional Information (Detail)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">Process Flow-Through: 103 - Statement - Condensed Consolidated Balance Sheets</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Mar. 31, 2014'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Jun. 30, 2013'</Log>
    <Log type="Info">Process Flow-Through: 104 - Statement - Condensed Consolidated Statements of Income</Log>
    <Log type="Info">Process Flow-Through: 105 - Statement - Condensed Consolidated Statements of Comprehensive Income</Log>
    <Log type="Info">Process Flow-Through: 106 - Statement - Condensed Consolidated Statements of Cash Flows</Log>
  </Logs>
  <InputFiles>
    <File>har-20150331.xml</File>
    <File>har-20150331.xsd</File>
    <File>har-20150331_cal.xml</File>
    <File>har-20150331_def.xml</File>
    <File>har-20150331_lab.xml</File>
    <File>har-20150331_pre.xml</File>
  </InputFiles>
  <SupplementalFiles />
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
