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  <element name="DisclosureOfDetailedInformationAboutComponentsOfOperatingExpensesExplanatory" id="tri_DisclosureOfDetailedInformationAboutComponentsOfOperatingExpensesExplanatory" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureOfDetailedInformationAboutIncomeTaxPaidRefundTextBlock" id="tri_DisclosureOfDetailedInformationAboutIncomeTaxPaidRefundTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureOfDetailedInformationAboutOtherInConsolidatedStatementOfCashFlowExplanatory" id="tri_DisclosureOfDetailedInformationAboutOtherInConsolidatedStatementOfCashFlowExplanatory" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureOfDetailedInformationAboutOtherNoncurrentAssetsExplanatory" id="tri_DisclosureOfDetailedInformationAboutOtherNoncurrentAssetsExplanatory" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureOfDetailedInformationAboutPayablesAccrualsAndProvisionsExplanatory" id="tri_DisclosureOfDetailedInformationAboutPayablesAccrualsAndProvisionsExplanatory" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureOfDetailedInformationAboutRevenueByTypeExplanatory" id="tri_DisclosureOfDetailedInformationAboutRevenueByTypeExplanatory" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureOfEarningsPerShareFromContinuingOperationsExplanatory" id="tri_DisclosureOfEarningsPerShareFromContinuingOperationsExplanatory" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureOfFairValueHierarchyExplanatory" id="tri_DisclosureOfFairValueHierarchyExplanatory" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureOfFinanceIncomeCostsExplanatory" id="tri_DisclosureOfFinanceIncomeCostsExplanatory" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureOfFinancialAssetsAndLiabilitiesExplanatory" id="tri_DisclosureOfFinancialAssetsAndLiabilitiesExplanatory" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureOfFinancialAssetsAndLiabilitiesLineItems" id="tri_DisclosureOfFinancialAssetsAndLiabilitiesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureOfFinancialAssetsAndLiabilitiesTable" id="tri_DisclosureOfFinancialAssetsAndLiabilitiesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
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  <element name="DisclosureOfIncomeTaxesLineItems" id="tri_DisclosureOfIncomeTaxesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="DisclosureOfOtherOperatingGainsNetTable" id="tri_DisclosureOfOtherOperatingGainsNetTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
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  <element name="DisclosureOfSeasonalityExplanatoryTextBlock" id="tri_DisclosureOfSeasonalityExplanatoryTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureOfSeasonalityLineItems" id="tri_DisclosureOfSeasonalityLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureOfShareCapitalLineItems" id="tri_DisclosureOfShareCapitalLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureOfShareCapitalTable" id="tri_DisclosureOfShareCapitalTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
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  <element name="DisclosureOfSummaryOfDebtAndRelatedDerivativeInstrumentsLineItems" id="tri_DisclosureOfSummaryOfDebtAndRelatedDerivativeInstrumentsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureOfSummaryOfDebtAndRelatedDerivativeInstrumentsTable" id="tri_DisclosureOfSummaryOfDebtAndRelatedDerivativeInstrumentsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="DisclosureOfWeightedAverageNumberOfCommonSharesOutstandingAndItsReconciliationExplanatory" id="tri_DisclosureOfWeightedAverageNumberOfCommonSharesOutstandingAndItsReconciliationExplanatory" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="DividendsDeclaredOnPreferenceShares" id="tri_DividendsDeclaredOnPreferenceShares" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DividendsDeclaredOrdinarySharesPerShare" id="tri_DividendsDeclaredOrdinarySharesPerShare" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DividendsReinvestedOrdinaryShares" id="tri_DividendsReinvestedOrdinaryShares" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DocumentandEntityInformationAbstract" id="tri_DocumentandEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="ExpectedProceedsFromSale" id="tri_ExpectedProceedsFromSale" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="FinanceIncomeCostAbstract" id="tri_FinanceIncomeCostAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FinancialAndRiskMember" id="tri_FinancialAndRiskMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="FivePointEightFiveDebenturesDueTwoThousandFortyMember" id="tri_FivePointEightFiveDebenturesDueTwoThousandFortyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="FivePointSixFiveNotesDueTwoThousandFortyThreeMember" id="tri_FivePointSixFiveNotesDueTwoThousandFortyThreeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="ForwardExchangeContractsAssetPosition" id="tri_ForwardExchangeContractsAssetPosition" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ForwardExchangeContractsLiabilityPosition" id="tri_ForwardExchangeContractsLiabilityPosition" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FourPointFiveZeroNotesDueTwoThousandFortyThreeMember" id="tri_FourPointFiveZeroNotesDueTwoThousandFortyThreeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FourPointSevenZeroNotesDueTwoThousandNineteenMember" id="tri_FourPointSevenZeroNotesDueTwoThousandNineteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FourPointThreeFiveNotesDueTwoThousandTwentyMember" id="tri_FourPointThreeFiveNotesDueTwoThousandTwentyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FourPointThreeZeroNotesDueTwoThousandTwentyThreeMember" id="tri_FourPointThreeZeroNotesDueTwoThousandTwentyThreeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GainOnSaleOfSubsidiary" id="tri_GainOnSaleOfSubsidiary" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GainsLossesRecognizedInProfitLossAriseFromForeignCurrencyTranslationRelatedToDebt" id="tri_GainsLossesRecognizedInProfitLossAriseFromForeignCurrencyTranslationRelatedToDebt" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GoodsAndServicesExpenses" id="tri_GoodsAndServicesExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IncomeLossFromContinuingAndDiscontinuedOperationsLineItems" id="tri_IncomeLossFromContinuingAndDiscontinuedOperationsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="IncomeLossFromDiscontinuedOperationsTable" id="tri_IncomeLossFromDiscontinuedOperationsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
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  <element name="IncreaseDecreaseInWorkingCapitalAndOtherItems" id="tri_IncreaseDecreaseInWorkingCapitalAndOtherItems" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IntellectualPropertyAndScienceEarningsLossFromDiscontinuedOperations" id="tri_IntellectualPropertyAndScienceEarningsLossFromDiscontinuedOperations" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InterestExpenseOnDerivativeFinancialInstruments" id="tri_InterestExpenseOnDerivativeFinancialInstruments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LegalMember" id="tri_LegalMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LondonInterbankOfferedRateLIBOR1Member" id="tri_LondonInterbankOfferedRateLIBOR1Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NetInterestExpenseFromDebtAndOther" id="tri_NetInterestExpenseFromDebtAndOther" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NetInterestExpenseFromPensionAndOtherPostEmploymentBenefitPlans" id="tri_NetInterestExpenseFromPensionAndOtherPostEmploymentBenefitPlans" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="NormalCourseIssuerBidMember" id="tri_NormalCourseIssuerBidMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfSharesRepurchasedDuringPeriod" id="tri_NumberOfSharesRepurchasedDuringPeriod" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="OtherCountriesMember" id="tri_OtherCountriesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherNoncurrentAssetsAbstract" id="tri_OtherNoncurrentAssetsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherOperatingIncomeAbstract" id="tri_OtherOperatingIncomeAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherOtherFinancialLiabilitiesMember" id="tri_OtherOtherFinancialLiabilitiesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OthersMember" id="tri_OthersMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OwnershipInterestPercentageSold" id="tri_OwnershipInterestPercentageSold" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfOwnershipHeldByRelatedParty" id="tri_PercentageOfOwnershipHeldByRelatedParty" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfOwnershipSold" id="tri_PercentageOfOwnershipSold" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfVotingEquityInterestsExpectedToBeRetained" id="tri_PercentageOfVotingEquityInterestsExpectedToBeRetained" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfVotingEquityInterestsExpectedToSell" id="tri_PercentageOfVotingEquityInterestsExpectedToSell" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PostEmploymentBenefitExpense" id="tri_PostEmploymentBenefitExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PotentialRepurchaseOfCommonShares" id="tri_PotentialRepurchaseOfCommonShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PredefinedShareRepurchasePlanLiability" id="tri_PredefinedShareRepurchasePlanLiability" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PreferenceSharesDividendsIncomeStatementImpact" id="tri_PreferenceSharesDividendsIncomeStatementImpact" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="PrintMember" id="tri_PrintMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrivateShareRepurchaseAgreementMember" id="tri_PrivateShareRepurchaseAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProfitLossFromContinuingOperationsBeforeIncomeTaxExpenseOrIncomeAndBeforeTheCompanyShareOfPosttaxEarningsOrLossesFromEquitymethodInvestments" id="tri_ProfitLossFromContinuingOperationsBeforeIncomeTaxExpenseOrIncomeAndBeforeTheCompanyShareOfPosttaxEarningsOrLossesFromEquitymethodInvestments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RealEstateExpense" id="tri_RealEstateExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RecurringMember" id="tri_RecurringMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReutersNewsMember" id="tri_ReutersNewsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RevolvingCreditFacility1Member" id="tri_RevolvingCreditFacility1Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SalariesCommissionAndAllowances" id="tri_SalariesCommissionAndAllowances" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SharesIssuedOrPurchasedByTypeAxis" id="tri_SharesIssuedOrPurchasedByTypeAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem"/>
  <element name="SharesIssuedOrPurchasedByTypeDomain" id="tri_SharesIssuedOrPurchasedByTypeDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SharesIssuedUnderDividendReinvestmentPlan" id="tri_SharesIssuedUnderDividendReinvestmentPlan" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SharesRepurchasedAveragePricePerShare" id="tri_SharesRepurchasedAveragePricePerShare" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SupplementalCashFlowInformation1Abstract" id="tri_SupplementalCashFlowInformation1Abstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TaxAndAccountingMember" id="tri_TaxAndAccountingMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TermLoanFacilityMember" id="tri_TermLoanFacilityMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TextBlock1Abstract" id="tri_TextBlock1Abstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ThreePointEightFiveNotesDueTwoThousandTwentyFourMember" id="tri_ThreePointEightFiveNotesDueTwoThousandTwentyFourMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ThreePointNineFiveNotesDueTwoThousandTwentyOneMember" id="tri_ThreePointNineFiveNotesDueTwoThousandTwentyOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ThreePointThreeFiveNotesDueTwoThousandTwentySixMember" id="tri_ThreePointThreeFiveNotesDueTwoThousandTwentySixMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ThreePointThreeSixNineNotesDueTwoThousandNineteenMember" id="tri_ThreePointThreeSixNineNotesDueTwoThousandNineteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ThreePointThreeZeroNineNotesDueTwoThousandTwentyOneMember" id="tri_ThreePointThreeZeroNineNotesDueTwoThousandTwentyOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TotalAdjustmentsForDecreaseIncreaseInWorkingCapitalAndOtherItems" id="tri_TotalAdjustmentsForDecreaseIncreaseInWorkingCapitalAndOtherItems" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TotalCapitalMember" id="tri_TotalCapitalMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TransactionsMember" id="tri_TransactionsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UncertainTaxPositions" id="tri_UncertainTaxPositions" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UnitedKingdomMember" id="tri_UnitedKingdomMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="WeightedAverageNumberOfSharesBasic" id="tri_WeightedAverageNumberOfSharesBasic" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="WeightedAverageNumberOfVestedDSUs" id="tri_WeightedAverageNumberOfVestedDSUs" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="WoodbridgeMember" id="tri_WoodbridgeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
</schema>
