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  <xs:element id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableIntrinsicValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableIntrinsicValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_TwoOTCCounterpartiesMember" abstract="true" name="TwoOTCCounterpartiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_UnrecognizedTaxLiabilitiesRelatedToForeignCurrencyTranslationExpensePeriodIncreaseDecrease" abstract="false" name="UnrecognizedTaxLiabilitiesRelatedToForeignCurrencyTranslationExpensePeriodIncreaseDecrease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_LongTermDebtAndFinanceLeaseLiabilityRepaymentsOfPrincipalAfterYearFive" abstract="false" name="LongTermDebtAndFinanceLeaseLiabilityRepaymentsOfPrincipalAfterYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriodAggregateIntrinsicValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriodAggregateIntrinsicValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_MultiServicePaymentSolutionsMember" abstract="true" name="MultiServicePaymentSolutionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_UnrecognizedTaxAssets" abstract="false" name="UnrecognizedTaxAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableNumber" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableNumber" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="int_AssetsAndLiabilitiesLesseeTableTextBlock" abstract="false" name="AssetsAndLiabilitiesLesseeTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="int_IncreaseDecreaseInContractWithCustomerRefundLiability" abstract="false" name="IncreaseDecreaseInContractWithCustomerRefundLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_CreditExposureMember" abstract="true" name="CreditExposureMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_LineOfCreditFacilityMaximumAdditionalBorrowingCapacity" abstract="false" name="LineOfCreditFacilityMaximumAdditionalBorrowingCapacity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="int_AviationFuelMember" abstract="true" name="AviationFuelMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_ShortTermDerivativeAssetsNetMember" abstract="false" name="ShortTermDerivativeAssetsNetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableShares" abstract="false" name="BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercisesInPeriodWeightedAverageExercisePrice" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercisesInPeriodWeightedAverageExercisePrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisesInPeriodAggregateIntrinsicValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisesInPeriodAggregateIntrinsicValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_TradeReceivablesCashCollectedUnderAgreementAmount" abstract="false" name="TradeReceivablesCashCollectedUnderAgreementAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_DerivativeProgramPurchaseCommitmentsAmount" abstract="false" name="DerivativeProgramPurchaseCommitmentsAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="int_LongTermDebtAndFinanceLeaseLiabilityRepaymentsOfPrincipalInYearThree" abstract="false" name="LongTermDebtAndFinanceLeaseLiabilityRepaymentsOfPrincipalInYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_AssetsLesseeAbstract" abstract="true" name="AssetsLesseeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="int_LongTermDebtAndFinanceLeaseLiabilityRepaymentsOfPrincipalInYearFive" abstract="false" name="LongTermDebtAndFinanceLeaseLiabilityRepaymentsOfPrincipalInYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageExercisePrice" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageExercisePrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="int_LiabilitiesLesseeAbstract" abstract="true" name="LiabilitiesLesseeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="int_FlyersEnergyGroupMember" abstract="true" name="FlyersEnergyGroupMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_ScheduleOfShareBasedCompensationAwardActivityTableTextBlock" abstract="false" name="ScheduleOfShareBasedCompensationAwardActivityTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="int_IntangibleAssetsNetExcludingGoodwillAndOtherAssetsNoncurrentMember" abstract="true" name="IntangibleAssetsNetExcludingGoodwillAndOtherAssetsNoncurrentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_LongTermDebtAndFinanceLeaseLiabilityRepaymentsOfPrincipalInNextTwelveMonths" abstract="false" name="LongTermDebtAndFinanceLeaseLiabilityRepaymentsOfPrincipalInNextTwelveMonths" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_IncomeTaxConcessionPeriod" abstract="false" name="IncomeTaxConcessionPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="int_A2016OmnibusPlanMember" abstract="true" name="A2016OmnibusPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseInterestExpensePercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseInterestExpensePercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="int_SupplierAgreementsMember" abstract="true" name="SupplierAgreementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_DerivativeProgramSaleCommitmentsAmount" abstract="false" name="DerivativeProgramSaleCommitmentsAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_AccountsReceivableBalanceOutstandingLessThan60DaysPercent" abstract="false" name="AccountsReceivableBalanceOutstandingLessThan60DaysPercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="int_EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearOne" abstract="false" name="EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsAndGoodwill" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsAndGoodwill" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_AmericasExcludingUnitedStatesMember" abstract="false" name="AmericasExcludingUnitedStatesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_RevenueExcludingImpactOfHedges" abstract="false" name="RevenueExcludingImpactOfHedges" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageRemainingContractualTerm" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageRemainingContractualTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="int_StateAndMunicipalTaxAuthoritiesAndSecretariatOfTheFederalRevenueBureauOfBrazilMember" abstract="true" name="StateAndMunicipalTaxAuthoritiesAndSecretariatOfTheFederalRevenueBureauOfBrazilMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_AviationSegmentMember" abstract="true" name="AviationSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_IncreaseDecreaseInAccruedExpensesAndOtherLiabilities" abstract="false" name="IncreaseDecreaseInAccruedExpensesAndOtherLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_OtherDebtMember" abstract="true" name="OtherDebtMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_IntangibleAssetsNetExcludingGoodwillAndOtherAssetsNoncurrent" abstract="false" name="IntangibleAssetsNetExcludingGoodwillAndOtherAssetsNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_ScheduleOfCapitalizedComputerSoftwareCostsTableTextBlock" abstract="false" name="ScheduleOfCapitalizedComputerSoftwareCostsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="int_UniversalWeatherAndAviationIncMember" abstract="true" name="UniversalWeatherAndAviationIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_LongTermDebtContingentAggregateAmountOfPrincipalOrInterest" abstract="false" name="LongTermDebtContingentAggregateAmountOfPrincipalOrInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_NoncurrentIncomeTaxExpenseBenefit" abstract="false" name="NoncurrentIncomeTaxExpenseBenefit" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_UnrecognizedTaxLiabilitiesRelatedToForeignCurrencyTranslationAdditionExpensePeriodIncreaseDecrease" abstract="false" name="UnrecognizedTaxLiabilitiesRelatedToForeignCurrencyTranslationAdditionExpensePeriodIncreaseDecrease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearTwo" abstract="false" name="EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_DebtInterestIncomeExpenseandOtherFinanceCostsAbstract" abstract="true" name="DebtInterestIncomeExpenseandOtherFinanceCostsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="int_DeferredIncomeTaxExpenseBenefitExcludingValuationAllowanceDeferredTaxAssetChangeInAmount" abstract="false" name="DeferredIncomeTaxExpenseBenefitExcludingValuationAllowanceDeferredTaxAssetChangeInAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_BusinessCombinationConsiderationTransferredEstimatedWorkingCapital" abstract="false" name="BusinessCombinationConsiderationTransferredEstimatedWorkingCapital" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_IncomeTaxConcessionImpactOnEarningsPerShareDiluted" abstract="false" name="IncomeTaxConcessionImpactOnEarningsPerShareDiluted" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="int_LandSegmentMember" abstract="true" name="LandSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_DisposalGroupIncludingDiscontinuedOperationContingentConsideration" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationContingentConsideration" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_Omnibus2006PlanMember" abstract="true" name="Omnibus2006PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_DerivativeProgramPurchaseCommitmentsVolume" abstract="false" name="DerivativeProgramPurchaseCommitmentsVolume" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:volumeItemType"/>
  <xs:element id="int_EffectiveIncomeTaxRateReconciliationSaleOfCompanyPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationSaleOfCompanyPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="int_InterestExpenseAndOtherFinancingCosts" abstract="false" name="InterestExpenseAndOtherFinancingCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_SuretyBondsOutstanding" abstract="false" name="SuretyBondsOutstanding" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_ComputerEquipmentAndSoftwareCostsMember" abstract="true" name="ComputerEquipmentAndSoftwareCostsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_InterestIncomeExpenseAndOtherFinancialCostsNet" abstract="false" name="InterestIncomeExpenseAndOtherFinancialCostsNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_EffectiveIncomeTaxRateReconciliationDeductionInterestIncomePercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationDeductionInterestIncomePercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableAbstract" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="int_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherCurrentAndLongTermAssets" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherCurrentAndLongTermAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_ExpirationDecember2022To2040Member" abstract="true" name="ExpirationDecember2022To2040Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_IncreaseDecreaseForeignIncomeTaxesTaxConcessionLineItems" abstract="true" name="IncreaseDecreaseForeignIncomeTaxesTaxConcessionLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="int_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOfficerCompensationPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOfficerCompensationPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="int_InterestExpenseAndOtherFinancingCostsExcludingHedgingImpactOfHedges" abstract="false" name="InterestExpenseAndOtherFinancingCostsExcludingHedgingImpactOfHedges" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_IncomeTaxConcessionImpactOnForeignIncomeTaxExpenseBenefit" abstract="false" name="IncomeTaxConcessionImpactOnForeignIncomeTaxExpenseBenefit" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_DebtInterestIncomeExpenseAndOtherFinancingCostsTextBlock" abstract="false" name="DebtInterestIncomeExpenseAndOtherFinancingCostsTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="int_TaxAuthorityAdditionalAssessmentMember" abstract="true" name="TaxAuthorityAdditionalAssessmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_DeferredTaxAssetsCustomerDeposits" abstract="false" name="DeferredTaxAssetsCustomerDeposits" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRatePercentage" abstract="false" name="UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRatePercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="int_EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearThree" abstract="false" name="EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_Restructuring2020InitiativeMember" abstract="true" name="Restructuring2020InitiativeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_LettersOfCreditAndBankersAcceptanceMember" abstract="true" name="LettersOfCreditAndBankersAcceptanceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_DisposalGroupIncludingDiscontinuedOperationContingentConsiderationPortionBasedOnFutureBusinessPerformance" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationContingentConsiderationPortionBasedOnFutureBusinessPerformance" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_CostOfRevenueExcludingHedgingImpactOfHedges" abstract="false" name="CostOfRevenueExcludingHedgingImpactOfHedges" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_ScheduleOfUnrecognizedCompensationCostExpectedAmortizationExpenseTableTextBlock" abstract="false" name="ScheduleOfUnrecognizedCompensationCostExpectedAmortizationExpenseTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="int_TaxCutsAndJobsActOf2017IncompleteAccountingProvisionalUndistributedAccumulatedEarningsOfForeignSubsidiaryPermanentlyReinvested" abstract="false" name="TaxCutsAndJobsActOf2017IncompleteAccountingProvisionalUndistributedAccumulatedEarningsOfForeignSubsidiaryPermanentlyReinvested" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_MarineSegmentMember" abstract="true" name="MarineSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_UnrecognizedTaxLiabilitiesPeriodIncreaseDecrease" abstract="false" name="UnrecognizedTaxLiabilitiesPeriodIncreaseDecrease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_DefinedContributionPlanEmployerMatchEmployeeContributionLevelOne" abstract="false" name="DefinedContributionPlanEmployerMatchEmployeeContributionLevelOne" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="int_EffectiveIncomeTaxRateReconciliationForeignCurrencyAdjustmentsPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationForeignCurrencyAdjustmentsPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="int_IndefiniteMember" abstract="true" name="IndefiniteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_AccountsReceivableAllowanceForCreditLossForeignCurrencyTranslation" abstract="false" name="AccountsReceivableAllowanceForCreditLossForeignCurrencyTranslation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_IncomeTaxConcessionImpactOnEarningsPerShareBasic" abstract="false" name="IncomeTaxConcessionImpactOnEarningsPerShareBasic" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="int_SummaryOfIncomeTaxConcessionsTableTextBlock" abstract="false" name="SummaryOfIncomeTaxConcessionsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="int_A2020PlanMember" abstract="true" name="A2020PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_ScheduleOfDebtInstrumentsTable" abstract="true" name="ScheduleOfDebtInstrumentsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="int_TermLoansMember" abstract="true" name="TermLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_DefinedContributionPlanEmployerContributionLimitPercentageOfCompensation" abstract="false" name="DefinedContributionPlanEmployerContributionLimitPercentageOfCompensation" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="int_UnrecognizedTaxLiabilities" abstract="false" name="UnrecognizedTaxLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_OtherUncommittedCreditLinesMember" abstract="true" name="OtherUncommittedCreditLinesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_A2021PlanMember" abstract="true" name="A2021PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantsInPeriodWeightedAverageExercisePrice" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantsInPeriodWeightedAverageExercisePrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageExercisePrice" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageExercisePrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="int_DeferredTaxAssetsLeases" abstract="false" name="DeferredTaxAssetsLeases" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_DeferredTaxAssetsInterestLimitation" abstract="false" name="DeferredTaxAssetsInterestLimitation" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_AmendedCreditFacilityMember" abstract="true" name="AmendedCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_ScheduleOfExpirationOfNOLCarryforwardTableTextBlock" abstract="false" name="ScheduleOfExpirationOfNOLCarryforwardTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="int_EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxedIncomePercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxedIncomePercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="int_ShortTermDerivativeLiabilitiesNetMember" abstract="true" name="ShortTermDerivativeLiabilitiesNetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_LongTermDebtAndFinanceLeaseLiabilityRepaymentsOfPrincipalInYearFour" abstract="false" name="LongTermDebtAndFinanceLeaseLiabilityRepaymentsOfPrincipalInYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_DerivativeGainLossOnDerivativeNotRecordedInAccumulatedOtherComprehensiveIncomeLossDueToIntraPeriodSettlementAfterTax" abstract="false" name="DerivativeGainLossOnDerivativeNotRecordedInAccumulatedOtherComprehensiveIncomeLossDueToIntraPeriodSettlementAfterTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageExercisePriceRollForward" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageExercisePriceRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="int_InterestExpenseAndOtherFinancingCostsMember" abstract="true" name="InterestExpenseAndOtherFinancingCostsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_AccruedIncomeTaxesNoncurrentMember" abstract="true" name="AccruedIncomeTaxesNoncurrentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_EffectiveIncomeTaxRateReconciliationUKTaxRateChange" abstract="false" name="EffectiveIncomeTaxRateReconciliationUKTaxRateChange" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="int_EffectiveIncomeTaxRateReconciliationStatutoryAdjustments" abstract="false" name="EffectiveIncomeTaxRateReconciliationStatutoryAdjustments" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="int_TaxCutsAndJobsActOf2017IncompleteAccountingProvisionalUndistributedEarningsOfForeignSubsidiariesWithholdingTaxIfNotPermanentlyReinvested" abstract="false" name="TaxCutsAndJobsActOf2017IncompleteAccountingProvisionalUndistributedEarningsOfForeignSubsidiariesWithholdingTaxIfNotPermanentlyReinvested" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_OfficeEquipmentFurnitureAndFixturesMember" abstract="true" name="OfficeEquipmentFurnitureAndFixturesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_FinanceLeaseCost1Abstract" abstract="true" name="FinanceLeaseCost1Abstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="int_ShareRepurchasesRelatedToEmployeeStockBasedCompensationAwardsValue" abstract="false" name="ShareRepurchasesRelatedToEmployeeStockBasedCompensationAwardsValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesOtherCurrentAndLongTermLiabilities" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesOtherCurrentAndLongTermLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_NoncontrollingInterestOwnershipPercentageByParentRemainingInterestAcquired" abstract="false" name="NoncontrollingInterestOwnershipPercentageByParentRemainingInterestAcquired" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="int_FeesAndInterestPaidUnderReceivablesPurchaseAgreements" abstract="false" name="FeesAndInterestPaidUnderReceivablesPurchaseAgreements" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_EffectiveIncomeTaxRateReconciliationBaseErosionAndAntiAbuseTaxPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationBaseErosionAndAntiAbuseTaxPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="int_TaxCutsAndJobsActOf2017IncompleteAccountingProvisionalWithholdingAndStateTaxExpenseBenefit" abstract="false" name="TaxCutsAndJobsActOf2017IncompleteAccountingProvisionalWithholdingAndStateTaxExpenseBenefit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="int_EffectiveIncomeTaxRateReconciliationIntercompanyPricingAdjustment" abstract="false" name="EffectiveIncomeTaxRateReconciliationIntercompanyPricingAdjustment" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="int_TaxAuthorityAssessmentMember" abstract="true" name="TaxAuthorityAssessmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="int_IncreaseDecreaseInIncomeTaxAndOtherLiabilitiesNoncurrent" abstract="false" name="IncreaseDecreaseInIncomeTaxAndOtherLiabilitiesNoncurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
