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| <element name="EscrowAccountOveragesUsedToReduceNotePayable" id="idt_EscrowAccountOveragesUsedToReduceNotePayable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="NetAssetsExcludingCashAndCashEquivalentsOfSubsidiariesDeconsolidatedAsResultOfSpinOff" id="idt_NetAssetsExcludingCashAndCashEquivalentsOfSubsidiariesDeconsolidatedAsResultOfSpinOff" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="OtherOperatingGainLossDisclosureAbstract" id="idt_OtherOperatingGainLossDisclosureAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="OtherOperatingGainLossDisclosureTextBlock" id="idt_OtherOperatingGainLossDisclosureTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="LegalProceedingsAbstract" id="idt_LegalProceedingsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="BroadStreetBuildingAbstract" id="idt_BroadStreetBuildingAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="BroadStreetBuildingTextBlock" id="idt_BroadStreetBuildingTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="SummaryOfNetRevenuePreTaxLossNetLossAndLossPerCommonShareFromDiscontinuedOperationsTableTextBlock" id="idt_SummaryOfNetRevenuePreTaxLossNetLossAndLossPerCommonShareFromDiscontinuedOperationsTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="SummaryOfNetOtherOperatingLossesGainsByBusinessSegmentTableTextBlock" id="idt_SummaryOfNetOtherOperatingLossesGainsByBusinessSegmentTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="ScheduleOfOtherIncomeExpenseNetTableTextBlock" id="idt_ScheduleOfOtherIncomeExpenseNetTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="BasisOfPresentationTextualAbstract" id="idt_BasisOfPresentationTextualAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="UniversalServiceFundChargesBilledToCustomersReportedGross" id="idt_UniversalServiceFundChargesBilledToCustomersReportedGross" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="GenieAndSubsidiariesMember" id="idt_GenieAndSubsidiariesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="CTMHoldingsAndSubsidiariesMember" id="idt_CTMHoldingsAndSubsidiariesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="SummaryOfNetRevenuePreTaxLossNetLossAndLossPerCommonShareFromDiscontinuedOperationsAbstract" id="idt_SummaryOfNetRevenuePreTaxLossNetLossAndLossPerCommonShareFromDiscontinuedOperationsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="RestrictedCashMember" id="idt_RestrictedCashMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="GenieEnergyMember" id="idt_GenieEnergyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="IDTEnergyMember" id="idt_IDTEnergyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="GenieOilAndGasMember" id="idt_GenieOilAndGasMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="GenieSpinOffMember" id="idt_GenieSpinOffMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="IDTCarmelMember" id="idt_IDTCarmelMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="IDTEntertainmentMember" id="idt_IDTEntertainmentMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="DiscontinuedOperationsTextualAbstract" id="idt_DiscontinuedOperationsTextualAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="OwnershipInterestPercentage" id="idt_OwnershipInterestPercentage" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="DescriptionOfSharesIssuedInSpinOff" id="idt_DescriptionOfSharesIssuedInSpinOff" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="DiscontinuedOperationsSpinOffFundingCommitment" id="idt_DiscontinuedOperationsSpinOffFundingCommitment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="DiscontinuedOperationsAmountFundedAtTimeOfSpinOff" id="idt_DiscontinuedOperationsAmountFundedAtTimeOfSpinOff" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="DiscontinuedOperationsAmountFundedSubsequentToSpinOff" id="idt_DiscontinuedOperationsAmountFundedSubsequentToSpinOff" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="RelatedPartyTransactionReductionInSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty" id="idt_RelatedPartyTransactionReductionInSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="BusinessAcquisitionContingentConsiderationPeriodToReceivePotentialCashPayment" id="idt_BusinessAcquisitionContingentConsiderationPeriodToReceivePotentialCashPayment" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="OtherOperatingGainsLossesNetTextualAbstract" id="idt_OtherOperatingGainsLossesNetTextualAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="OtherOperatingGainLossByBusinessSegmentAbstract" id="idt_OtherOperatingGainLossByBusinessSegmentAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="AllOtherGainOnSettlementOfClaim" id="idt_AllOtherGainOnSettlementOfClaim" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="GainLossRelatedToSettlementOfLegalMatter" id="idt_GainLossRelatedToSettlementOfLegalMatter" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="GainOnSettlement" id="idt_GainOnSettlement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="CorporateOtherIncomeLoss" id="idt_CorporateOtherIncomeLoss" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="ActualPaymentReceivedUnderThirdPartyBankruptcySettlement" id="idt_ActualPaymentReceivedUnderThirdPartyBankruptcySettlement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="PaymentForSettlementOfLitigation" id="idt_PaymentForSettlementOfLitigation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="LegalAndRelatedFeesRelatedToSettlementAgreement" id="idt_LegalAndRelatedFeesRelatedToSettlementAgreement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="LongTermInvestmentsMember" id="idt_LongTermInvestmentsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="TermLoanMember" id="idt_TermLoanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="FairValueInputsAssetsLiabilitiesQuantitativeInformationLineItems" id="idt_FairValueInputsAssetsLiabilitiesQuantitativeInformationLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="FairValueMeasurementsTextualAbstract" id="idt_FairValueMeasurementsTextualAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="InvestmentInHedgeFunds" id="idt_InvestmentInHedgeFunds" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="DebtInstrumentInterestPaymentRate" id="idt_DebtInstrumentInterestPaymentRate" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="DebtInstrumentInterestRateNonPaymentPortion" id="idt_DebtInstrumentInterestRateNonPaymentPortion" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="DebtInstrumentInterestAddedToPrincipalAmount" id="idt_DebtInstrumentInterestAddedToPrincipalAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="RepurchaseOfRestrictedStock" id="idt_RepurchaseOfRestrictedStock" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="RepurchaseOfCommonStockUnderStockRepurchaseProgram" id="idt_RepurchaseOfCommonStockUnderStockRepurchaseProgram" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="PurchasesOfStockOfSubsidiary" id="idt_PurchasesOfStockOfSubsidiary" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="SaleOfStockOfSubsidy" id="idt_SaleOfStockOfSubsidy" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="EquityTextualAbstract" id="idt_EquityTextualAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="IncreaseInEquityOwnershipInterestInWhollyOwnedSubsidiaryPercentage" id="idt_IncreaseInEquityOwnershipInterestInWhollyOwnedSubsidiaryPercentage" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="StockBasedCompensationOnGrantedEquityOfSubsidiary" id="idt_StockBasedCompensationOnGrantedEquityOfSubsidiary" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="MinorityInterestOwnershipPercentageByNoncontrollingOwnersBeforeTransaction" id="idt_MinorityInterestOwnershipPercentageByNoncontrollingOwnersBeforeTransaction" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="MinorityInterestOwnershipPercentageByNoncontrollingOwnersAfterTransaction" id="idt_MinorityInterestOwnershipPercentageByNoncontrollingOwnersAfterTransaction" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="OwnershipPercentageIncreasedInSubsidiary" id="idt_OwnershipPercentageIncreasedInSubsidiary" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="ParentOwnershipPercentageAfterPurchaseOfStockOfSubsidiary" id="idt_ParentOwnershipPercentageAfterPurchaseOfStockOfSubsidiary" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="ParentOwnershipPercentageBeforePurchaseOfStockOfSubsidiary" id="idt_ParentOwnershipPercentageBeforePurchaseOfStockOfSubsidiary" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="IncrementalCommonSharesAttributableToNonVestedRestrictedCommonStock" id="idt_IncrementalCommonSharesAttributableToNonVestedRestrictedCommonStock" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="TelecomPlatformServicesMember" id="idt_TelecomPlatformServicesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="ConsumerPhoneServicesMember" id="idt_ConsumerPhoneServicesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="AllOtherMember" id="idt_AllOtherMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="TMobileMember" id="idt_TMobileMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="BroadstripeLLCMember" id="idt_BroadstripeLLCMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="SegmentReportingTextualAbstract" id="idt_SegmentReportingTextualAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="GainLossRelatedToLitigationSettlementOtherLoss" id="idt_GainLossRelatedToLitigationSettlementOtherLoss" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="GainFromSettlementOfClaim" id="idt_GainFromSettlementOfClaim" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="LitigationAndOtherContingenciesTable" id="idt_LitigationAndOtherContingenciesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/> |
| <element name="LegalSettlementByPartyLineItems" id="idt_LegalSettlementByPartyLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="LegalProceedingsTextualAbstract" id="idt_LegalProceedingsTextualAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="LossContingencyDamagesAwardedPreliminaryValue" id="idt_LossContingencyDamagesAwardedPreliminaryValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="LossContingencyInterestRateOnDamagesAwarded" id="idt_LossContingencyInterestRateOnDamagesAwarded" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="LossContingencyAccrualAmount" id="idt_LossContingencyAccrualAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="PatentLitigationExpense" id="idt_PatentLitigationExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="LossContingencyDamagesInKindValue" id="idt_LossContingencyDamagesInKindValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="AccruedLitigationCharges" id="idt_AccruedLitigationCharges" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="LossContingencyAggregateAccrualAmount" id="idt_LossContingencyAggregateAccrualAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="ReasonablyPossibleLiabilityAboveAmountAccrued" id="idt_ReasonablyPossibleLiabilityAboveAmountAccrued" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="TermOfIndefeasibleRightToUse" id="idt_TermOfIndefeasibleRightToUse" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="TypeOfRestrictedAndUnrestrictedCashAndCashEquivalentsAxis" id="idt_TypeOfRestrictedAndUnrestrictedCashAndCashEquivalentsAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem"/> |
| <element name="TypeOfRestrictedAndUnrestrictedCashAndCashEquivalentsDomain" id="idt_TypeOfRestrictedAndUnrestrictedCashAndCashEquivalentsDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="RestrictedCashAndCashEquivalentsShortTermMember" id="idt_RestrictedCashAndCashEquivalentsShortTermMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="RestrictedCashAndCashEquivalentsLongTermMember" id="idt_RestrictedCashAndCashEquivalentsLongTermMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="IDTFinancialServicesCustomerDepositsMember" id="idt_IDTFinancialServicesCustomerDepositsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="XyzAxis" id="idt_XyzAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem"/> |
| <element name="AbcDomain" id="idt_AbcDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="AbcdMember" id="idt_AbcdMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="RestrictedCashAndCashEquivalentsCurrentAndNoncurrentAbstract" id="idt_RestrictedCashAndCashEquivalentsCurrentAndNoncurrentAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="CommitmentAndContingenciesTable" id="idt_CommitmentAndContingenciesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/> |
| <element name="IncomeTaxDescriptionAxis" id="idt_IncomeTaxDescriptionAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem"/> |
| <element name="IncomeTaxDescriptionDomain" id="idt_IncomeTaxDescriptionDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="SalesTaxAuditMember" id="idt_SalesTaxAuditMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="ExciseAndSimilarTaxesMember" id="idt_ExciseAndSimilarTaxesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="CommitmentAndContingenciesLineItems" id="idt_CommitmentAndContingenciesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="CommitmentsAndContingenciesTextualAbstract" id="idt_CommitmentsAndContingenciesTextualAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="TaxLossContingencyAccrualAmount" id="idt_TaxLossContingencyAccrualAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="AmountPaidForSettlementOfAudit" id="idt_AmountPaidForSettlementOfAudit" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="AmountOfTaxAssessmentIncludingInterestAndPenalties" id="idt_AmountOfTaxAssessmentIncludingInterestAndPenalties" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="IncomeTaxRefundClaims" id="idt_IncomeTaxRefundClaims" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="LettersOfCreditOutstandingAndSuretyBondsAmount" id="idt_LettersOfCreditOutstandingAndSuretyBondsAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="LegalJudgmentCollaterizedBySuretyBond" id="idt_LegalJudgmentCollaterizedBySuretyBond" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="StandbyLettersOfCreditExpiresWithinOneYear" id="idt_StandbyLettersOfCreditExpiresWithinOneYear" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="StandbyLetterOfCreditDueToExpireInTwoYears" id="idt_StandbyLetterOfCreditDueToExpireInTwoYears" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="StandbyLetterOfCreditDueToExpireInThreeYears" id="idt_StandbyLetterOfCreditDueToExpireInThreeYears" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/> |
| <element name="BroadStreetBuildingTextualAbstract" id="idt_BroadStreetBuildingTextualAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/> |
| </schema> |