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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="NetCashProvidedByUsedInOperatingActivities" xlink:title="NetCashProvidedByUsedInOperatingActivities" />
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    <link:label xlink:type="resource" xlink:label="label_NetCashProvidedByUsedInOperatingActivities_2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_NetCashProvidedByUsedInOperatingActivities" xml:lang="en-US" id="label_NetCashProvidedByUsedInOperatingActivities_2">Net cash (used in) provided by operating activities</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="PaymentsToAcquirePropertyPlantAndEquipment" xlink:title="PaymentsToAcquirePropertyPlantAndEquipment" />
    <link:label xlink:type="resource" xlink:label="label_PaymentsToAcquirePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PaymentsToAcquirePropertyPlantAndEquipment" xml:lang="en-US" id="label_PaymentsToAcquirePropertyPlantAndEquipment">Payments to Acquire Property, Plant, and Equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="label_PaymentsToAcquirePropertyPlantAndEquipment" xlink:title="label: PaymentsToAcquirePropertyPlantAndEquipment to label_PaymentsToAcquirePropertyPlantAndEquipment" />
    <link:label xlink:type="resource" xlink:label="label_PaymentsToAcquirePropertyPlantAndEquipment_2" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_PaymentsToAcquirePropertyPlantAndEquipment" xml:lang="en-US" id="label_PaymentsToAcquirePropertyPlantAndEquipment_2">Capital expenditures</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:title="PaymentsToAcquireBusinessesNetOfCashAcquired" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:to="label_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:title="label: PaymentsToAcquireBusinessesNetOfCashAcquired to label_PaymentsToAcquireBusinessesNetOfCashAcquired" />
    <link:label xlink:type="resource" xlink:label="label_PaymentsToAcquireBusinessesNetOfCashAcquired_2" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_PaymentsToAcquireBusinessesNetOfCashAcquired" xml:lang="en-US" id="label_PaymentsToAcquireBusinessesNetOfCashAcquired_2">Acquisition of businesses, net of cash acquired</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:to="label_PaymentsToAcquireBusinessesNetOfCashAcquired_2" xlink:title="label: PaymentsToAcquireBusinessesNetOfCashAcquired to label_PaymentsToAcquireBusinessesNetOfCashAcquired" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="NetCashProvidedByUsedInInvestingActivities" xlink:title="NetCashProvidedByUsedInInvestingActivities" />
    <link:label xlink:type="resource" xlink:label="label_NetCashProvidedByUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NetCashProvidedByUsedInInvestingActivities" xml:lang="en-US" id="label_NetCashProvidedByUsedInInvestingActivities">Net Cash Provided by (Used in) Investing Activities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:to="label_NetCashProvidedByUsedInInvestingActivities" xlink:title="label: NetCashProvidedByUsedInInvestingActivities to label_NetCashProvidedByUsedInInvestingActivities" />
    <link:label xlink:type="resource" xlink:label="label_NetCashProvidedByUsedInInvestingActivities_2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_NetCashProvidedByUsedInInvestingActivities" xml:lang="en-US" id="label_NetCashProvidedByUsedInInvestingActivities_2">Net cash used in investing activities</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromLinesOfCredit" xlink:to="label_ProceedsFromLinesOfCredit" xlink:title="label: ProceedsFromLinesOfCredit to label_ProceedsFromLinesOfCredit" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromLinesOfCredit_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ProceedsFromLinesOfCredit" xml:lang="en-US" id="label_ProceedsFromLinesOfCredit_2">Borrowings under revolving credit facility</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="RepaymentsOfLinesOfCredit" xlink:title="RepaymentsOfLinesOfCredit" />
    <link:label xlink:type="resource" xlink:label="label_RepaymentsOfLinesOfCredit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_RepaymentsOfLinesOfCredit" xml:lang="en-US" id="label_RepaymentsOfLinesOfCredit">Repayments of Lines of Credit</link:label>
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    <link:label xlink:type="resource" xlink:label="label_RepaymentsOfLinesOfCredit_2" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_RepaymentsOfLinesOfCredit" xml:lang="en-US" id="label_RepaymentsOfLinesOfCredit_2">Repayments under revolving credit facility</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="ProceedsFromStockOptionsExercised" xlink:title="ProceedsFromStockOptionsExercised" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="NetCashProvidedByUsedInFinancingActivities" xlink:title="NetCashProvidedByUsedInFinancingActivities" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EffectOfExchangeRateOnCashAndCashEquivalents" xlink:to="label_EffectOfExchangeRateOnCashAndCashEquivalents_2" xlink:title="label: EffectOfExchangeRateOnCashAndCashEquivalents to label_EffectOfExchangeRateOnCashAndCashEquivalents" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:title="CashAndCashEquivalentsPeriodIncreaseDecrease" />
    <link:label xlink:type="resource" xlink:label="label_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CashAndCashEquivalentsPeriodIncreaseDecrease" xml:lang="en-US" id="label_CashAndCashEquivalentsPeriodIncreaseDecrease">Cash and Cash Equivalents, Period Increase (Decrease)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="label_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:title="label: CashAndCashEquivalentsPeriodIncreaseDecrease to label_CashAndCashEquivalentsPeriodIncreaseDecrease" />
    <link:label xlink:type="resource" xlink:label="label_CashAndCashEquivalentsPeriodIncreaseDecrease_2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_CashAndCashEquivalentsPeriodIncreaseDecrease" xml:lang="en-US" id="label_CashAndCashEquivalentsPeriodIncreaseDecrease_2">Net decrease in cash and cash equivalents</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="label_CashAndCashEquivalentsPeriodIncreaseDecrease_2" xlink:title="label: CashAndCashEquivalentsPeriodIncreaseDecrease to label_CashAndCashEquivalentsPeriodIncreaseDecrease" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="CashAndCashEquivalentsAtCarryingValue" xlink:title="CashAndCashEquivalentsAtCarryingValue" />
    <link:label xlink:type="resource" xlink:label="label_CashAndCashEquivalentsAtCarryingValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US" id="label_CashAndCashEquivalentsAtCarryingValue">Cash and Cash Equivalents, at Carrying Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAndCashEquivalentsAtCarryingValue" xlink:to="label_CashAndCashEquivalentsAtCarryingValue" xlink:title="label: CashAndCashEquivalentsAtCarryingValue to label_CashAndCashEquivalentsAtCarryingValue" />
    <link:label xlink:type="resource" xlink:label="label_CashAndCashEquivalentsAtCarryingValue_2" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="label_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US" id="label_CashAndCashEquivalentsAtCarryingValue_2">Cash and cash equivalents, at beginning of period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAndCashEquivalentsAtCarryingValue" xlink:to="label_CashAndCashEquivalentsAtCarryingValue_2" xlink:title="label: CashAndCashEquivalentsAtCarryingValue to label_CashAndCashEquivalentsAtCarryingValue" />
    <link:label xlink:type="resource" xlink:label="label_CashAndCashEquivalentsAtCarryingValue_3" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="label_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US" id="label_CashAndCashEquivalentsAtCarryingValue_3">Cash and cash equivalents, at end of period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAndCashEquivalentsAtCarryingValue" xlink:to="label_CashAndCashEquivalentsAtCarryingValue_3" xlink:title="label: CashAndCashEquivalentsAtCarryingValue to label_CashAndCashEquivalentsAtCarryingValue" />
    <link:label xlink:type="resource" xlink:label="label_CashAndCashEquivalentsAtCarryingValue_4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US" id="label_CashAndCashEquivalentsAtCarryingValue_4">Cash and cash equivalents</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAndCashEquivalentsAtCarryingValue" xlink:to="label_CashAndCashEquivalentsAtCarryingValue_4" xlink:title="label: CashAndCashEquivalentsAtCarryingValue to label_CashAndCashEquivalentsAtCarryingValue" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="StatementOfCashFlowsAbstract" xlink:title="StatementOfCashFlowsAbstract" />
    <link:label xlink:type="resource" xlink:label="label_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StatementOfCashFlowsAbstract" xml:lang="en-US" id="label_StatementOfCashFlowsAbstract">Consolidated Statements of Cash Flows</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementOfCashFlowsAbstract" xlink:to="label_StatementOfCashFlowsAbstract" xlink:title="label: StatementOfCashFlowsAbstract to label_StatementOfCashFlowsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="StatementTable" xlink:title="StatementTable" />
    <link:label xlink:type="resource" xlink:label="label_StatementTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StatementTable" xml:lang="en-US" id="label_StatementTable">Statement [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementTable" xlink:to="label_StatementTable" xlink:title="label: StatementTable to label_StatementTable" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="StatementScenarioAxis" xlink:title="StatementScenarioAxis" />
    <link:label xlink:type="resource" xlink:label="label_StatementScenarioAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StatementScenarioAxis" xml:lang="en-US" id="label_StatementScenarioAxis">Statement, Scenario [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementScenarioAxis" xlink:to="label_StatementScenarioAxis" xlink:title="label: StatementScenarioAxis to label_StatementScenarioAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="ScenarioUnspecifiedDomain" xlink:title="ScenarioUnspecifiedDomain" />
    <link:label xlink:type="resource" xlink:label="label_ScenarioUnspecifiedDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ScenarioUnspecifiedDomain" xml:lang="en-US" id="label_ScenarioUnspecifiedDomain">Scenario, Unspecified [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScenarioUnspecifiedDomain" xlink:to="label_ScenarioUnspecifiedDomain" xlink:title="label: ScenarioUnspecifiedDomain to label_ScenarioUnspecifiedDomain" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="StatementLineItems" xlink:title="StatementLineItems" />
    <link:label xlink:type="resource" xlink:label="label_StatementLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_StatementLineItems" xml:lang="en-US" id="label_StatementLineItems">Statement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementLineItems" xlink:to="label_StatementLineItems" xlink:title="label: StatementLineItems to label_StatementLineItems" />
    <link:label xlink:type="resource" xlink:label="label_StatementLineItems_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StatementLineItems" xml:lang="en-US" id="label_StatementLineItems_2">Statement [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementLineItems" xlink:to="label_StatementLineItems_2" xlink:title="label: StatementLineItems to label_StatementLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="NetCashProvidedByUsedInOperatingActivitiesAbstract" />
    <link:label xlink:type="resource" xlink:label="label_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_NetCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US" id="label_NetCashProvidedByUsedInOperatingActivitiesAbstract">Cash flows from operating activities:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="label_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="label: NetCashProvidedByUsedInOperatingActivitiesAbstract to label_NetCashProvidedByUsedInOperatingActivitiesAbstract" />
    <link:label xlink:type="resource" xlink:label="label_NetCashProvidedByUsedInOperatingActivitiesAbstract_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NetCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US" id="label_NetCashProvidedByUsedInOperatingActivitiesAbstract_2">Net Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
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    <link:label xlink:type="resource" xlink:label="label_ProfitLoss_3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ProfitLoss" xml:lang="en-US" id="label_ProfitLoss_3">Net income including noncontrolling interest</link:label>
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    <link:label xlink:type="resource" xlink:label="label_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_ProfitLoss" xml:lang="en-US" id="label_ProfitLoss">Net income including noncontrolling interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProfitLoss" xlink:to="label_ProfitLoss" xlink:title="label: ProfitLoss to label_ProfitLoss" />
    <link:label xlink:type="resource" xlink:label="label_ProfitLoss_2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_ProfitLoss" xml:lang="en-US" id="label_ProfitLoss_2">Net income</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="label_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="label: AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to label_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="DepreciationAndAmortization" xlink:title="DepreciationAndAmortization" />
    <link:label xlink:type="resource" xlink:label="label_DepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DepreciationAndAmortization" xml:lang="en-US" id="label_DepreciationAndAmortization">Depreciation and amortization</link:label>
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    <link:label xlink:type="resource" xlink:label="label_DepreciationAndAmortization_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DepreciationAndAmortization" xml:lang="en-US" id="label_DepreciationAndAmortization_2">Depreciation, Depletion and Amortization, Nonproduction</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DepreciationAndAmortization" xlink:to="label_DepreciationAndAmortization_2" xlink:title="label: DepreciationAndAmortization to label_DepreciationAndAmortization" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="ProvisionForDoubtfulAccounts" xlink:title="ProvisionForDoubtfulAccounts" />
    <link:label xlink:type="resource" xlink:label="label_ProvisionForDoubtfulAccounts_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ProvisionForDoubtfulAccounts" xml:lang="en-US" id="label_ProvisionForDoubtfulAccounts_2">Provision for Doubtful Accounts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProvisionForDoubtfulAccounts" xlink:to="label_ProvisionForDoubtfulAccounts_2" xlink:title="label: ProvisionForDoubtfulAccounts to label_ProvisionForDoubtfulAccounts" />
    <link:label xlink:type="resource" xlink:label="label_ProvisionForDoubtfulAccounts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ProvisionForDoubtfulAccounts" xml:lang="en-US" id="label_ProvisionForDoubtfulAccounts">Provision for bad debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProvisionForDoubtfulAccounts" xlink:to="label_ProvisionForDoubtfulAccounts" xlink:title="label: ProvisionForDoubtfulAccounts to label_ProvisionForDoubtfulAccounts" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainLossOnInvestments" xlink:label="GainLossOnInvestments" xlink:title="GainLossOnInvestments" />
    <link:label xlink:type="resource" xlink:label="label_GainLossOnInvestments" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_GainLossOnInvestments" xml:lang="en-US" id="label_GainLossOnInvestments">Gain on short-term investments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GainLossOnInvestments" xlink:to="label_GainLossOnInvestments" xlink:title="label: GainLossOnInvestments to label_GainLossOnInvestments" />
    <link:label xlink:type="resource" xlink:label="label_GainLossOnInvestments_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_GainLossOnInvestments" xml:lang="en-US" id="label_GainLossOnInvestments_2">Gain (Loss) on Investments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GainLossOnInvestments" xlink:to="label_GainLossOnInvestments_2" xlink:title="label: GainLossOnInvestments to label_GainLossOnInvestments" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="DeferredIncomeTaxExpenseBenefit" xlink:title="DeferredIncomeTaxExpenseBenefit" />
    <link:label xlink:type="resource" xlink:label="label_DeferredIncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DeferredIncomeTaxExpenseBenefit" xml:lang="en-US" id="label_DeferredIncomeTaxExpenseBenefit">Deferred income tax provision (benefit)</link:label>
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    <link:label xlink:type="resource" xlink:label="label_DeferredIncomeTaxExpenseBenefit_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DeferredIncomeTaxExpenseBenefit" xml:lang="en-US" id="label_DeferredIncomeTaxExpenseBenefit_2">Deferred Income Tax Expense (Benefit)</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="ShareBasedCompensation" xlink:title="ShareBasedCompensation" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ShareBasedCompensation" xml:lang="en-US" id="label_ShareBasedCompensation">Share-based payment award compensation costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensation" xlink:to="label_ShareBasedCompensation" xlink:title="label: ShareBasedCompensation to label_ShareBasedCompensation" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensation_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensation" xml:lang="en-US" id="label_ShareBasedCompensation_2">Share-based Compensation</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignCurrencyTransactionGainLossUnrealized" xlink:to="label_ForeignCurrencyTransactionGainLossUnrealized_2" xlink:title="label: ForeignCurrencyTransactionGainLossUnrealized to label_ForeignCurrencyTransactionGainLossUnrealized" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="IncreaseDecreaseInOperatingCapitalAbstract" xlink:title="IncreaseDecreaseInOperatingCapitalAbstract" />
    <link:label xlink:type="resource" xlink:label="label_IncreaseDecreaseInOperatingCapitalAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_IncreaseDecreaseInOperatingCapitalAbstract" xml:lang="en-US" id="label_IncreaseDecreaseInOperatingCapitalAbstract">Changes in assets and liabilities, net of acquisitions:</link:label>
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    <link:label xlink:type="resource" xlink:label="label_IncreaseDecreaseInOperatingCapitalAbstract_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_IncreaseDecreaseInOperatingCapitalAbstract" xml:lang="en-US" id="label_IncreaseDecreaseInOperatingCapitalAbstract_2">Increase (Decrease) in Operating Capital [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="label_IncreaseDecreaseInOperatingCapitalAbstract_2" xlink:title="label: IncreaseDecreaseInOperatingCapitalAbstract to label_IncreaseDecreaseInOperatingCapitalAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:title="NetCashProvidedByUsedInInvestingActivitiesAbstract" />
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    <link:label xlink:type="resource" xlink:label="label_NetCashProvidedByUsedInInvestingActivitiesAbstract_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NetCashProvidedByUsedInInvestingActivitiesAbstract" xml:lang="en-US" id="label_NetCashProvidedByUsedInInvestingActivitiesAbstract_2">Net Cash Provided by (Used in) Investing Activities [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="label_NetCashProvidedByUsedInInvestingActivitiesAbstract_2" xlink:title="label: NetCashProvidedByUsedInInvestingActivitiesAbstract to label_NetCashProvidedByUsedInInvestingActivitiesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:title="NetCashProvidedByUsedInFinancingActivitiesAbstract" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="label_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:title="label: NetCashProvidedByUsedInFinancingActivitiesAbstract to label_NetCashProvidedByUsedInFinancingActivitiesAbstract" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="label_NetCashProvidedByUsedInFinancingActivitiesAbstract_2" xlink:title="label: NetCashProvidedByUsedInFinancingActivitiesAbstract to label_NetCashProvidedByUsedInFinancingActivitiesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:label="DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:title="DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" />
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    <link:label xlink:type="resource" xlink:label="label_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xml:lang="en-US" id="label_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_2">Derivatives</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:to="label_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_2" xlink:title="label: DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock to label_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="EarningsPerShareTextBlock" xlink:title="EarningsPerShareTextBlock" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarningsPerShareTextBlock" xlink:to="label_EarningsPerShareTextBlock" xlink:title="label: EarningsPerShareTextBlock to label_EarningsPerShareTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_EarningsPerShareTextBlock_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_EarningsPerShareTextBlock" xml:lang="en-US" id="label_EarningsPerShareTextBlock_2">Earnings per Common Share</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarningsPerShareTextBlock" xlink:to="label_EarningsPerShareTextBlock_2" xlink:title="label: EarningsPerShareTextBlock to label_EarningsPerShareTextBlock" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="SegmentReportingDisclosureTextBlock" xlink:title="SegmentReportingDisclosureTextBlock" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SegmentReportingDisclosureTextBlock" xlink:to="label_SegmentReportingDisclosureTextBlock" xlink:title="label: SegmentReportingDisclosureTextBlock to label_SegmentReportingDisclosureTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_SegmentReportingDisclosureTextBlock_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SegmentReportingDisclosureTextBlock" xml:lang="en-US" id="label_SegmentReportingDisclosureTextBlock_2">Business Segments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SegmentReportingDisclosureTextBlock" xlink:to="label_SegmentReportingDisclosureTextBlock_2" xlink:title="label: SegmentReportingDisclosureTextBlock to label_SegmentReportingDisclosureTextBlock" />
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    <link:label xlink:type="resource" xlink:label="label_CommitmentsAndContingenciesDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CommitmentsAndContingenciesDisclosureTextBlock" xml:lang="en-US" id="label_CommitmentsAndContingenciesDisclosureTextBlock">Commitments and Contingencies Disclosure [Text Block]</link:label>
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    <link:label xlink:type="resource" xlink:label="label_CommitmentsAndContingenciesDisclosureTextBlock_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CommitmentsAndContingenciesDisclosureTextBlock" xml:lang="en-US" id="label_CommitmentsAndContingenciesDisclosureTextBlock_2">Commitments and Contingencies</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommitmentsAndContingenciesDisclosureTextBlock" xlink:to="label_CommitmentsAndContingenciesDisclosureTextBlock_2" xlink:title="label: CommitmentsAndContingenciesDisclosureTextBlock to label_CommitmentsAndContingenciesDisclosureTextBlock" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="IncomeTaxDisclosureTextBlock" xlink:title="IncomeTaxDisclosureTextBlock" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxDisclosureTextBlock" xlink:to="label_IncomeTaxDisclosureTextBlock" xlink:title="label: IncomeTaxDisclosureTextBlock to label_IncomeTaxDisclosureTextBlock" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxDisclosureTextBlock" xlink:to="label_IncomeTaxDisclosureTextBlock_2" xlink:title="label: IncomeTaxDisclosureTextBlock to label_IncomeTaxDisclosureTextBlock" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_TransactionTaxesReceivable" xlink:label="TransactionTaxesReceivable" xlink:title="TransactionTaxesReceivable" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TransactionTaxesReceivable" xlink:to="label_TransactionTaxesReceivable" xlink:title="label: TransactionTaxesReceivable to label_TransactionTaxesReceivable" />
    <link:label xlink:type="resource" xlink:label="label_TransactionTaxesReceivable_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_TransactionTaxesReceivable" xml:lang="en-US" id="label_TransactionTaxesReceivable_2">Transaction taxes receivable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TransactionTaxesReceivable" xlink:to="label_TransactionTaxesReceivable_2" xlink:title="label: TransactionTaxesReceivable to label_TransactionTaxesReceivable" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TransactionTaxesReceivable" xlink:to="label_TransactionTaxesReceivable_3" xlink:title="label: TransactionTaxesReceivable to label_TransactionTaxesReceivable" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_TransactionTaxesPayable" xlink:label="TransactionTaxesPayable" xlink:title="TransactionTaxesPayable" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TransactionTaxesPayable" xlink:to="label_TransactionTaxesPayable" xlink:title="label: TransactionTaxesPayable to label_TransactionTaxesPayable" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TransactionTaxesPayable" xlink:to="label_TransactionTaxesPayable_2" xlink:title="label: TransactionTaxesPayable to label_TransactionTaxesPayable" />
    <link:label xlink:type="resource" xlink:label="label_TransactionTaxesPayable_3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_TransactionTaxesPayable" xml:lang="en-US" id="label_TransactionTaxesPayable_3">Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) to tax authorities as of the balance sheet date representing refunds for VAT, GST, excise and other fuel taxes paid in conjunction with fuel purchases and sales.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TransactionTaxesPayable" xlink:to="label_TransactionTaxesPayable_3" xlink:title="label: TransactionTaxesPayable to label_TransactionTaxesPayable" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_AccruedExpensesAndOtherCurrentLiabilities" xlink:label="AccruedExpensesAndOtherCurrentLiabilities" xlink:title="AccruedExpensesAndOtherCurrentLiabilities" />
    <link:label xlink:type="resource" xlink:label="label_AccruedExpensesAndOtherCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AccruedExpensesAndOtherCurrentLiabilities" xml:lang="en-US" id="label_AccruedExpensesAndOtherCurrentLiabilities">Accrued Expenses and Other Current Liabilities</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PrepaidExpenseCurrent" xlink:label="PrepaidExpenseCurrent" xlink:title="PrepaidExpenseCurrent" />
    <link:label xlink:type="resource" xlink:label="label_PrepaidExpenseCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PrepaidExpenseCurrent" xml:lang="en-US" id="label_PrepaidExpenseCurrent">Prepaid Expense, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PrepaidExpenseCurrent" xlink:to="label_PrepaidExpenseCurrent" xlink:title="label: PrepaidExpenseCurrent to label_PrepaidExpenseCurrent" />
    <link:label xlink:type="resource" xlink:label="label_PrepaidExpenseCurrent_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PrepaidExpenseCurrent" xml:lang="en-US" id="label_PrepaidExpenseCurrent_2">Prepaid expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PrepaidExpenseCurrent" xlink:to="label_PrepaidExpenseCurrent_2" xlink:title="label: PrepaidExpenseCurrent to label_PrepaidExpenseCurrent" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeAssetsCurrent" xlink:label="DerivativeAssetsCurrent" xlink:title="DerivativeAssetsCurrent" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeAssetsCurrent" xml:lang="en-US" id="label_DerivativeAssetsCurrent">Derivative Assets, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeAssetsCurrent" xlink:to="label_DerivativeAssetsCurrent" xlink:title="label: DerivativeAssetsCurrent to label_DerivativeAssetsCurrent" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeAssetsCurrent_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DerivativeAssetsCurrent" xml:lang="en-US" id="label_DerivativeAssetsCurrent_2">Short-term derivative assets, net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeAssetsCurrent" xlink:to="label_DerivativeAssetsCurrent_2" xlink:title="label: DerivativeAssetsCurrent to label_DerivativeAssetsCurrent" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="OtherAssetsCurrent" xlink:title="OtherAssetsCurrent" />
    <link:label xlink:type="resource" xlink:label="label_OtherAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OtherAssetsCurrent" xml:lang="en-US" id="label_OtherAssetsCurrent">Other Assets, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherAssetsCurrent" xlink:to="label_OtherAssetsCurrent" xlink:title="label: OtherAssetsCurrent to label_OtherAssetsCurrent" />
    <link:label xlink:type="resource" xlink:label="label_OtherAssetsCurrent_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_OtherAssetsCurrent" xml:lang="en-US" id="label_OtherAssetsCurrent_2">Other current assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherAssetsCurrent" xlink:to="label_OtherAssetsCurrent_2" xlink:title="label: OtherAssetsCurrent to label_OtherAssetsCurrent" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="AssetsCurrent" xlink:title="AssetsCurrent" />
    <link:label xlink:type="resource" xlink:label="label_AssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AssetsCurrent" xml:lang="en-US" id="label_AssetsCurrent">Assets, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsCurrent" xlink:to="label_AssetsCurrent" xlink:title="label: AssetsCurrent to label_AssetsCurrent" />
    <link:label xlink:type="resource" xlink:label="label_AssetsCurrent_2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_AssetsCurrent" xml:lang="en-US" id="label_AssetsCurrent_2">Total current assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsCurrent" xlink:to="label_AssetsCurrent_2" xlink:title="label: AssetsCurrent to label_AssetsCurrent" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="PropertyPlantAndEquipmentNet" xlink:title="PropertyPlantAndEquipmentNet" />
    <link:label xlink:type="resource" xlink:label="label_PropertyPlantAndEquipmentNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PropertyPlantAndEquipmentNet" xml:lang="en-US" id="label_PropertyPlantAndEquipmentNet">Property, Plant and Equipment, Net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentNet" xlink:to="label_PropertyPlantAndEquipmentNet" xlink:title="label: PropertyPlantAndEquipmentNet to label_PropertyPlantAndEquipmentNet" />
    <link:label xlink:type="resource" xlink:label="label_PropertyPlantAndEquipmentNet_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PropertyPlantAndEquipmentNet" xml:lang="en-US" id="label_PropertyPlantAndEquipmentNet_2">Property and equipment, net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentNet" xlink:to="label_PropertyPlantAndEquipmentNet_2" xlink:title="label: PropertyPlantAndEquipmentNet to label_PropertyPlantAndEquipmentNet" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Goodwill" xlink:label="Goodwill" xlink:title="Goodwill" />
    <link:label xlink:type="resource" xlink:label="label_Goodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_Goodwill" xml:lang="en-US" id="label_Goodwill">Goodwill</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Goodwill" xlink:to="label_Goodwill" xlink:title="label: Goodwill to label_Goodwill" />
    <link:label xlink:type="resource" xlink:label="label_Goodwill_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_Goodwill" xml:lang="en-US" id="label_Goodwill_2">Goodwill</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Goodwill" xlink:to="label_Goodwill_2" xlink:title="label: Goodwill to label_Goodwill" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="IntangibleAssetsNetExcludingGoodwill" xlink:title="IntangibleAssetsNetExcludingGoodwill" />
    <link:label xlink:type="resource" xlink:label="label_IntangibleAssetsNetExcludingGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_IntangibleAssetsNetExcludingGoodwill" xml:lang="en-US" id="label_IntangibleAssetsNetExcludingGoodwill">Intangible Assets, Net (Excluding Goodwill)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IntangibleAssetsNetExcludingGoodwill" xlink:to="label_IntangibleAssetsNetExcludingGoodwill" xlink:title="label: IntangibleAssetsNetExcludingGoodwill to label_IntangibleAssetsNetExcludingGoodwill" />
    <link:label xlink:type="resource" xlink:label="label_IntangibleAssetsNetExcludingGoodwill_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_IntangibleAssetsNetExcludingGoodwill" xml:lang="en-US" id="label_IntangibleAssetsNetExcludingGoodwill_2">Identifiable intangible assets, net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IntangibleAssetsNetExcludingGoodwill" xlink:to="label_IntangibleAssetsNetExcludingGoodwill_2" xlink:title="label: IntangibleAssetsNetExcludingGoodwill to label_IntangibleAssetsNetExcludingGoodwill" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="OtherAssetsNoncurrent" xlink:title="OtherAssetsNoncurrent" />
    <link:label xlink:type="resource" xlink:label="label_OtherAssetsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OtherAssetsNoncurrent" xml:lang="en-US" id="label_OtherAssetsNoncurrent">Other Assets, Noncurrent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherAssetsNoncurrent" xlink:to="label_OtherAssetsNoncurrent" xlink:title="label: OtherAssetsNoncurrent to label_OtherAssetsNoncurrent" />
    <link:label xlink:type="resource" xlink:label="label_OtherAssetsNoncurrent_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_OtherAssetsNoncurrent" xml:lang="en-US" id="label_OtherAssetsNoncurrent_2">Non-current other assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherAssetsNoncurrent" xlink:to="label_OtherAssetsNoncurrent_2" xlink:title="label: OtherAssetsNoncurrent to label_OtherAssetsNoncurrent" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Assets" xlink:label="Assets" xlink:title="Assets" />
    <link:label xlink:type="resource" xlink:label="label_Assets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_Assets" xml:lang="en-US" id="label_Assets">Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Assets" xlink:to="label_Assets" xlink:title="label: Assets to label_Assets" />
    <link:label xlink:type="resource" xlink:label="label_Assets_2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_Assets" xml:lang="en-US" id="label_Assets_2">Total assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Assets" xlink:to="label_Assets_2" xlink:title="label: Assets to label_Assets" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtCurrent" xlink:label="DebtCurrent" xlink:title="DebtCurrent" />
    <link:label xlink:type="resource" xlink:label="label_DebtCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DebtCurrent" xml:lang="en-US" id="label_DebtCurrent">Debt, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtCurrent" xlink:to="label_DebtCurrent" xlink:title="label: DebtCurrent to label_DebtCurrent" />
    <link:label xlink:type="resource" xlink:label="label_DebtCurrent_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DebtCurrent" xml:lang="en-US" id="label_DebtCurrent_2">Short-term debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtCurrent" xlink:to="label_DebtCurrent_2" xlink:title="label: DebtCurrent to label_DebtCurrent" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="AccountsPayableCurrent" xlink:title="AccountsPayableCurrent" />
    <link:label xlink:type="resource" xlink:label="label_AccountsPayableCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AccountsPayableCurrent" xml:lang="en-US" id="label_AccountsPayableCurrent">Accounts Payable, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsPayableCurrent" xlink:to="label_AccountsPayableCurrent" xlink:title="label: AccountsPayableCurrent to label_AccountsPayableCurrent" />
    <link:label xlink:type="resource" xlink:label="label_AccountsPayableCurrent_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AccountsPayableCurrent" xml:lang="en-US" id="label_AccountsPayableCurrent_2">Accounts payable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsPayableCurrent" xlink:to="label_AccountsPayableCurrent_2" xlink:title="label: AccountsPayableCurrent to label_AccountsPayableCurrent" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CustomerDepositsCurrent" xlink:label="CustomerDepositsCurrent" xlink:title="CustomerDepositsCurrent" />
    <link:label xlink:type="resource" xlink:label="label_CustomerDepositsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CustomerDepositsCurrent" xml:lang="en-US" id="label_CustomerDepositsCurrent">Customer Deposits, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CustomerDepositsCurrent" xlink:to="label_CustomerDepositsCurrent" xlink:title="label: CustomerDepositsCurrent to label_CustomerDepositsCurrent" />
    <link:label xlink:type="resource" xlink:label="label_CustomerDepositsCurrent_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CustomerDepositsCurrent" xml:lang="en-US" id="label_CustomerDepositsCurrent_2">Customer deposits</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CustomerDepositsCurrent" xlink:to="label_CustomerDepositsCurrent_2" xlink:title="label: CustomerDepositsCurrent to label_CustomerDepositsCurrent" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLiabilitiesCurrent" xlink:label="DerivativeLiabilitiesCurrent" xlink:title="DerivativeLiabilitiesCurrent" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeLiabilitiesCurrent" xml:lang="en-US" id="label_DerivativeLiabilitiesCurrent">Derivative Liabilities, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeLiabilitiesCurrent" xlink:to="label_DerivativeLiabilitiesCurrent" xlink:title="label: DerivativeLiabilitiesCurrent to label_DerivativeLiabilitiesCurrent" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeLiabilitiesCurrent_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DerivativeLiabilitiesCurrent" xml:lang="en-US" id="label_DerivativeLiabilitiesCurrent_2">Short-term derivative liabilities, net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeLiabilitiesCurrent" xlink:to="label_DerivativeLiabilitiesCurrent_2" xlink:title="label: DerivativeLiabilitiesCurrent to label_DerivativeLiabilitiesCurrent" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="LiabilitiesCurrent" xlink:title="LiabilitiesCurrent" />
    <link:label xlink:type="resource" xlink:label="label_LiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LiabilitiesCurrent" xml:lang="en-US" id="label_LiabilitiesCurrent">Liabilities, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesCurrent" xlink:to="label_LiabilitiesCurrent" xlink:title="label: LiabilitiesCurrent to label_LiabilitiesCurrent" />
    <link:label xlink:type="resource" xlink:label="label_LiabilitiesCurrent_2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_LiabilitiesCurrent" xml:lang="en-US" id="label_LiabilitiesCurrent_2">Total current liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesCurrent" xlink:to="label_LiabilitiesCurrent_2" xlink:title="label: LiabilitiesCurrent to label_LiabilitiesCurrent" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="LongTermDebtNoncurrent" xlink:title="LongTermDebtNoncurrent" />
    <link:label xlink:type="resource" xlink:label="label_LongTermDebtNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LongTermDebtNoncurrent" xml:lang="en-US" id="label_LongTermDebtNoncurrent">Long-term Debt, Excluding Current Maturities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LongTermDebtNoncurrent" xlink:to="label_LongTermDebtNoncurrent" xlink:title="label: LongTermDebtNoncurrent to label_LongTermDebtNoncurrent" />
    <link:label xlink:type="resource" xlink:label="label_LongTermDebtNoncurrent_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LongTermDebtNoncurrent" xml:lang="en-US" id="label_LongTermDebtNoncurrent_2">Long-term debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LongTermDebtNoncurrent" xlink:to="label_LongTermDebtNoncurrent_2" xlink:title="label: LongTermDebtNoncurrent to label_LongTermDebtNoncurrent" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccruedIncomeTaxesNoncurrent" xlink:label="AccruedIncomeTaxesNoncurrent" xlink:title="AccruedIncomeTaxesNoncurrent" />
    <link:label xlink:type="resource" xlink:label="label_AccruedIncomeTaxesNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AccruedIncomeTaxesNoncurrent" xml:lang="en-US" id="label_AccruedIncomeTaxesNoncurrent">Accrued Income Taxes, Noncurrent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccruedIncomeTaxesNoncurrent" xlink:to="label_AccruedIncomeTaxesNoncurrent" xlink:title="label: AccruedIncomeTaxesNoncurrent to label_AccruedIncomeTaxesNoncurrent" />
    <link:label xlink:type="resource" xlink:label="label_AccruedIncomeTaxesNoncurrent_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AccruedIncomeTaxesNoncurrent" xml:lang="en-US" id="label_AccruedIncomeTaxesNoncurrent_2">Non-current income tax liabilities, net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccruedIncomeTaxesNoncurrent" xlink:to="label_AccruedIncomeTaxesNoncurrent_2" xlink:title="label: AccruedIncomeTaxesNoncurrent to label_AccruedIncomeTaxesNoncurrent" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Liabilities" xlink:label="Liabilities" xlink:title="Liabilities" />
    <link:label xlink:type="resource" xlink:label="label_Liabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_Liabilities" xml:lang="en-US" id="label_Liabilities">Liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Liabilities" xlink:to="label_Liabilities" xlink:title="label: Liabilities to label_Liabilities" />
    <link:label xlink:type="resource" xlink:label="label_Liabilities_2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_Liabilities" xml:lang="en-US" id="label_Liabilities_2">Total liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Liabilities" xlink:to="label_Liabilities_2" xlink:title="label: Liabilities to label_Liabilities" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="PreferredStockValue" xlink:title="PreferredStockValue" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PreferredStockValue" xml:lang="en-US" id="label_PreferredStockValue">Preferred Stock, Value, Issued</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockValue" xlink:to="label_PreferredStockValue" xlink:title="label: PreferredStockValue to label_PreferredStockValue" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockValue_2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_PreferredStockValue" xml:lang="en-US" id="label_PreferredStockValue_2">Preferred stock, $1.00 par value; 100 shares authorized, none issued</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockValue" xlink:to="label_PreferredStockValue_2" xlink:title="label: PreferredStockValue to label_PreferredStockValue" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockValue" xlink:label="CommonStockValue" xlink:title="CommonStockValue" />
    <link:label xlink:type="resource" xlink:label="label_CommonStockValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CommonStockValue" xml:lang="en-US" id="label_CommonStockValue">Common Stock, Value, Issued</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockValue" xlink:to="label_CommonStockValue" xlink:title="label: CommonStockValue to label_CommonStockValue" />
    <link:label xlink:type="resource" xlink:label="label_CommonStockValue_2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_CommonStockValue" xml:lang="en-US" id="label_CommonStockValue_2">Common stock, $0.01 par value; 100,000 shares authorized, 71,135 and 69,602 issued and outstanding at June 30, 2011 and December 31, 2010, respectively</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockValue" xlink:to="label_CommonStockValue_2" xlink:title="label: CommonStockValue to label_CommonStockValue" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="AdditionalPaidInCapital" xlink:title="AdditionalPaidInCapital" />
    <link:label xlink:type="resource" xlink:label="label_AdditionalPaidInCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AdditionalPaidInCapital" xml:lang="en-US" id="label_AdditionalPaidInCapital">Additional Paid in Capital</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdditionalPaidInCapital" xlink:to="label_AdditionalPaidInCapital" xlink:title="label: AdditionalPaidInCapital to label_AdditionalPaidInCapital" />
    <link:label xlink:type="resource" xlink:label="label_AdditionalPaidInCapital_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AdditionalPaidInCapital" xml:lang="en-US" id="label_AdditionalPaidInCapital_2">Capital in excess of par value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdditionalPaidInCapital" xlink:to="label_AdditionalPaidInCapital_2" xlink:title="label: AdditionalPaidInCapital to label_AdditionalPaidInCapital" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="RetainedEarningsAccumulatedDeficit" xlink:title="RetainedEarningsAccumulatedDeficit" />
    <link:label xlink:type="resource" xlink:label="label_RetainedEarningsAccumulatedDeficit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_RetainedEarningsAccumulatedDeficit" xml:lang="en-US" id="label_RetainedEarningsAccumulatedDeficit">Retained Earnings (Accumulated Deficit)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RetainedEarningsAccumulatedDeficit" xlink:to="label_RetainedEarningsAccumulatedDeficit" xlink:title="label: RetainedEarningsAccumulatedDeficit to label_RetainedEarningsAccumulatedDeficit" />
    <link:label xlink:type="resource" xlink:label="label_RetainedEarningsAccumulatedDeficit_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_RetainedEarningsAccumulatedDeficit" xml:lang="en-US" id="label_RetainedEarningsAccumulatedDeficit_2">Retained earnings</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RetainedEarningsAccumulatedDeficit" xlink:to="label_RetainedEarningsAccumulatedDeficit_2" xlink:title="label: RetainedEarningsAccumulatedDeficit to label_RetainedEarningsAccumulatedDeficit" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="AccumulatedOtherComprehensiveIncomeLossNetOfTax" />
    <link:label xlink:type="resource" xlink:label="label_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US" id="label_AccumulatedOtherComprehensiveIncomeLossNetOfTax">Accumulated Other Comprehensive Income (Loss), Net of Tax</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:to="label_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="label: AccumulatedOtherComprehensiveIncomeLossNetOfTax to label_AccumulatedOtherComprehensiveIncomeLossNetOfTax" />
    <link:label xlink:type="resource" xlink:label="label_AccumulatedOtherComprehensiveIncomeLossNetOfTax_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US" id="label_AccumulatedOtherComprehensiveIncomeLossNetOfTax_2">Accumulated other comprehensive income</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:to="label_AccumulatedOtherComprehensiveIncomeLossNetOfTax_2" xlink:title="label: AccumulatedOtherComprehensiveIncomeLossNetOfTax to label_AccumulatedOtherComprehensiveIncomeLossNetOfTax" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="StockholdersEquity" xlink:title="StockholdersEquity" />
    <link:label xlink:type="resource" xlink:label="label_StockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StockholdersEquity" xml:lang="en-US" id="label_StockholdersEquity">Stockholders' Equity Attributable to Parent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquity" xlink:to="label_StockholdersEquity" xlink:title="label: StockholdersEquity to label_StockholdersEquity" />
    <link:label xlink:type="resource" xlink:label="label_StockholdersEquity_2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_StockholdersEquity" xml:lang="en-US" id="label_StockholdersEquity_2">Total World Fuel shareholders' equity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquity" xlink:to="label_StockholdersEquity_2" xlink:title="label: StockholdersEquity to label_StockholdersEquity" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterest" xlink:label="MinorityInterest" xlink:title="MinorityInterest" />
    <link:label xlink:type="resource" xlink:label="label_MinorityInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_MinorityInterest" xml:lang="en-US" id="label_MinorityInterest">Stockholders' Equity Attributable to Noncontrolling Interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MinorityInterest" xlink:to="label_MinorityInterest" xlink:title="label: MinorityInterest to label_MinorityInterest" />
    <link:label xlink:type="resource" xlink:label="label_MinorityInterest_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_MinorityInterest" xml:lang="en-US" id="label_MinorityInterest_2">Noncontrolling interest equity (deficit)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MinorityInterest" xlink:to="label_MinorityInterest_2" xlink:title="label: MinorityInterest to label_MinorityInterest" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" />
    <link:label xlink:type="resource" xlink:label="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US" id="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3">Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3" xlink:title="label: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" />
    <link:label xlink:type="resource" xlink:label="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_4" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US" id="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_4">Total equity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_4" xlink:title="label: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" />
    <link:label xlink:type="resource" xlink:label="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US" id="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest">Balance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="label: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" />
    <link:label xlink:type="resource" xlink:label="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_2" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US" id="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_2">Balance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_2" xlink:title="label: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="LiabilitiesAndStockholdersEquity" xlink:title="LiabilitiesAndStockholdersEquity" />
    <link:label xlink:type="resource" xlink:label="label_LiabilitiesAndStockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LiabilitiesAndStockholdersEquity" xml:lang="en-US" id="label_LiabilitiesAndStockholdersEquity">Liabilities and Equity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="label_LiabilitiesAndStockholdersEquity" xlink:title="label: LiabilitiesAndStockholdersEquity to label_LiabilitiesAndStockholdersEquity" />
    <link:label xlink:type="resource" xlink:label="label_LiabilitiesAndStockholdersEquity_2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_LiabilitiesAndStockholdersEquity" xml:lang="en-US" id="label_LiabilitiesAndStockholdersEquity_2">Total liabilities and equity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="label_LiabilitiesAndStockholdersEquity_2" xlink:title="label: LiabilitiesAndStockholdersEquity to label_LiabilitiesAndStockholdersEquity" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="StatementOfFinancialPositionAbstract" xlink:title="StatementOfFinancialPositionAbstract" />
    <link:label xlink:type="resource" xlink:label="label_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StatementOfFinancialPositionAbstract" xml:lang="en-US" id="label_StatementOfFinancialPositionAbstract">Consolidated Balance Sheets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="label_StatementOfFinancialPositionAbstract" xlink:title="label: StatementOfFinancialPositionAbstract to label_StatementOfFinancialPositionAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="AssetsAbstract" xlink:title="AssetsAbstract" />
    <link:label xlink:type="resource" xlink:label="label_AssetsAbstract_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AssetsAbstract" xml:lang="en-US" id="label_AssetsAbstract_2">Assets:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsAbstract" xlink:to="label_AssetsAbstract_2" xlink:title="label: AssetsAbstract to label_AssetsAbstract" />
    <link:label xlink:type="resource" xlink:label="label_AssetsAbstract_3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AssetsAbstract" xml:lang="en-US" id="label_AssetsAbstract_3">Assets [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsAbstract" xlink:to="label_AssetsAbstract_3" xlink:title="label: AssetsAbstract to label_AssetsAbstract" />
    <link:label xlink:type="resource" xlink:label="label_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_AssetsAbstract" xml:lang="en-US" id="label_AssetsAbstract">Total assets:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsAbstract" xlink:to="label_AssetsAbstract" xlink:title="label: AssetsAbstract to label_AssetsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="AssetsCurrentAbstract" xlink:title="AssetsCurrentAbstract" />
    <link:label xlink:type="resource" xlink:label="label_AssetsCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AssetsCurrentAbstract" xml:lang="en-US" id="label_AssetsCurrentAbstract">Current assets:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsCurrentAbstract" xlink:to="label_AssetsCurrentAbstract" xlink:title="label: AssetsCurrentAbstract to label_AssetsCurrentAbstract" />
    <link:label xlink:type="resource" xlink:label="label_AssetsCurrentAbstract_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AssetsCurrentAbstract" xml:lang="en-US" id="label_AssetsCurrentAbstract_2">Assets, Current [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsCurrentAbstract" xlink:to="label_AssetsCurrentAbstract_2" xlink:title="label: AssetsCurrentAbstract to label_AssetsCurrentAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:label="LiabilitiesAbstract" xlink:title="LiabilitiesAbstract" />
    <link:label xlink:type="resource" xlink:label="label_LiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LiabilitiesAbstract" xml:lang="en-US" id="label_LiabilitiesAbstract">Liabilities:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesAbstract" xlink:to="label_LiabilitiesAbstract" xlink:title="label: LiabilitiesAbstract to label_LiabilitiesAbstract" />
    <link:label xlink:type="resource" xlink:label="label_LiabilitiesAbstract_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LiabilitiesAbstract" xml:lang="en-US" id="label_LiabilitiesAbstract_2">Liabilities [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesAbstract" xlink:to="label_LiabilitiesAbstract_2" xlink:title="label: LiabilitiesAbstract to label_LiabilitiesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="LiabilitiesCurrentAbstract" xlink:title="LiabilitiesCurrentAbstract" />
    <link:label xlink:type="resource" xlink:label="label_LiabilitiesCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LiabilitiesCurrentAbstract" xml:lang="en-US" id="label_LiabilitiesCurrentAbstract">Current liabilities:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesCurrentAbstract" xlink:to="label_LiabilitiesCurrentAbstract" xlink:title="label: LiabilitiesCurrentAbstract to label_LiabilitiesCurrentAbstract" />
    <link:label xlink:type="resource" xlink:label="label_LiabilitiesCurrentAbstract_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LiabilitiesCurrentAbstract" xml:lang="en-US" id="label_LiabilitiesCurrentAbstract_2">Liabilities, Current [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesCurrentAbstract" xlink:to="label_LiabilitiesCurrentAbstract_2" xlink:title="label: LiabilitiesCurrentAbstract to label_LiabilitiesCurrentAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="CommitmentsAndContingencies" xlink:title="CommitmentsAndContingencies" />
    <link:label xlink:type="resource" xlink:label="label_CommitmentsAndContingencies" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CommitmentsAndContingencies" xml:lang="en-US" id="label_CommitmentsAndContingencies">Commitments and contingencies</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommitmentsAndContingencies" xlink:to="label_CommitmentsAndContingencies" xlink:title="label: CommitmentsAndContingencies to label_CommitmentsAndContingencies" />
    <link:label xlink:type="resource" xlink:label="label_CommitmentsAndContingencies_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CommitmentsAndContingencies" xml:lang="en-US" id="label_CommitmentsAndContingencies_2">Commitments and Contingencies.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommitmentsAndContingencies" xlink:to="label_CommitmentsAndContingencies_2" xlink:title="label: CommitmentsAndContingencies to label_CommitmentsAndContingencies" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:title="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" />
    <link:label xlink:type="resource" xlink:label="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xml:lang="en-US" id="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract">Equity:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:title="label: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract to label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" />
    <link:label xlink:type="resource" xlink:label="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xml:lang="en-US" id="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_2">Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_2" xlink:title="label: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract to label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="StockholdersEquityAbstract" xlink:title="StockholdersEquityAbstract" />
    <link:label xlink:type="resource" xlink:label="label_StockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_StockholdersEquityAbstract" xml:lang="en-US" id="label_StockholdersEquityAbstract">World Fuel shareholders' equity:</link:label>
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    <link:label xlink:type="resource" xlink:label="label_StockholdersEquityAbstract_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StockholdersEquityAbstract" xml:lang="en-US" id="label_StockholdersEquityAbstract_2">Stockholders' Equity Attributable to Parent [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityAbstract" xlink:to="label_StockholdersEquityAbstract_2" xlink:title="label: StockholdersEquityAbstract to label_StockholdersEquityAbstract" />
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    <link:label xlink:type="resource" xlink:label="label_IncomeStatementAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_IncomeStatementAbstract" xml:lang="en-US" id="label_IncomeStatementAbstract">Consolidated Statements of Income</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Revenues" xlink:label="Revenues" xlink:title="Revenues" />
    <link:label xlink:type="resource" xlink:label="label_Revenues_3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_Revenues" xml:lang="en-US" id="label_Revenues_3">Revenues</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Revenues" xlink:to="label_Revenues_3" xlink:title="label: Revenues to label_Revenues" />
    <link:label xlink:type="resource" xlink:label="label_Revenues" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_Revenues" xml:lang="en-US" id="label_Revenues">Revenue</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Revenues" xlink:to="label_Revenues" xlink:title="label: Revenues to label_Revenues" />
    <link:label xlink:type="resource" xlink:label="label_Revenues_2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_Revenues" xml:lang="en-US" id="label_Revenues_2">Total revenue</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Revenues" xlink:to="label_Revenues_2" xlink:title="label: Revenues to label_Revenues" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="CostOfRevenue" xlink:title="CostOfRevenue" />
    <link:label xlink:type="resource" xlink:label="label_CostOfRevenue_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CostOfRevenue" xml:lang="en-US" id="label_CostOfRevenue_2">Cost of Revenue.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CostOfRevenue" xlink:to="label_CostOfRevenue_2" xlink:title="label: CostOfRevenue to label_CostOfRevenue" />
    <link:label xlink:type="resource" xlink:label="label_CostOfRevenue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CostOfRevenue" xml:lang="en-US" id="label_CostOfRevenue">Cost of revenue</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CostOfRevenue" xlink:to="label_CostOfRevenue" xlink:title="label: CostOfRevenue to label_CostOfRevenue" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GrossProfit" xlink:label="GrossProfit" xlink:title="GrossProfit" />
    <link:label xlink:type="resource" xlink:label="label_GrossProfit_3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_GrossProfit" xml:lang="en-US" id="label_GrossProfit_3">Gross Profit</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GrossProfit" xlink:to="label_GrossProfit_3" xlink:title="label: GrossProfit to label_GrossProfit" />
    <link:label xlink:type="resource" xlink:label="label_GrossProfit" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_GrossProfit" xml:lang="en-US" id="label_GrossProfit">Gross profit</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GrossProfit" xlink:to="label_GrossProfit" xlink:title="label: GrossProfit to label_GrossProfit" />
    <link:label xlink:type="resource" xlink:label="label_GrossProfit_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_GrossProfit" xml:lang="en-US" id="label_GrossProfit_2">Gross profit</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GrossProfit" xlink:to="label_GrossProfit_2" xlink:title="label: GrossProfit to label_GrossProfit" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="OperatingExpensesAbstract" xlink:title="OperatingExpensesAbstract" />
    <link:label xlink:type="resource" xlink:label="label_OperatingExpensesAbstract_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OperatingExpensesAbstract" xml:lang="en-US" id="label_OperatingExpensesAbstract_2">Operating Expenses [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingExpensesAbstract" xlink:to="label_OperatingExpensesAbstract_2" xlink:title="label: OperatingExpensesAbstract to label_OperatingExpensesAbstract" />
    <link:label xlink:type="resource" xlink:label="label_OperatingExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_OperatingExpensesAbstract" xml:lang="en-US" id="label_OperatingExpensesAbstract">Operating expenses:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingExpensesAbstract" xlink:to="label_OperatingExpensesAbstract" xlink:title="label: OperatingExpensesAbstract to label_OperatingExpensesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LaborAndRelatedExpense" xlink:label="LaborAndRelatedExpense" xlink:title="LaborAndRelatedExpense" />
    <link:label xlink:type="resource" xlink:label="label_LaborAndRelatedExpense_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LaborAndRelatedExpense" xml:lang="en-US" id="label_LaborAndRelatedExpense_2">Labor and Related Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LaborAndRelatedExpense" xlink:to="label_LaborAndRelatedExpense_2" xlink:title="label: LaborAndRelatedExpense to label_LaborAndRelatedExpense" />
    <link:label xlink:type="resource" xlink:label="label_LaborAndRelatedExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LaborAndRelatedExpense" xml:lang="en-US" id="label_LaborAndRelatedExpense">Compensation and employee benefits</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LaborAndRelatedExpense" xlink:to="label_LaborAndRelatedExpense" xlink:title="label: LaborAndRelatedExpense to label_LaborAndRelatedExpense" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="GeneralAndAdministrativeExpense" xlink:title="GeneralAndAdministrativeExpense" />
    <link:label xlink:type="resource" xlink:label="label_GeneralAndAdministrativeExpense_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_GeneralAndAdministrativeExpense" xml:lang="en-US" id="label_GeneralAndAdministrativeExpense_2">General and Administrative Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GeneralAndAdministrativeExpense" xlink:to="label_GeneralAndAdministrativeExpense_2" xlink:title="label: GeneralAndAdministrativeExpense to label_GeneralAndAdministrativeExpense" />
    <link:label xlink:type="resource" xlink:label="label_GeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_GeneralAndAdministrativeExpense" xml:lang="en-US" id="label_GeneralAndAdministrativeExpense">General and administrative</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GeneralAndAdministrativeExpense" xlink:to="label_GeneralAndAdministrativeExpense" xlink:title="label: GeneralAndAdministrativeExpense to label_GeneralAndAdministrativeExpense" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="OperatingExpenses" xlink:title="OperatingExpenses" />
    <link:label xlink:type="resource" xlink:label="label_OperatingExpenses_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OperatingExpenses" xml:lang="en-US" id="label_OperatingExpenses_2">Operating Expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingExpenses" xlink:to="label_OperatingExpenses_2" xlink:title="label: OperatingExpenses to label_OperatingExpenses" />
    <link:label xlink:type="resource" xlink:label="label_OperatingExpenses" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_OperatingExpenses" xml:lang="en-US" id="label_OperatingExpenses">Total operating expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingExpenses" xlink:to="label_OperatingExpenses" xlink:title="label: OperatingExpenses to label_OperatingExpenses" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="OperatingIncomeLoss" xlink:title="OperatingIncomeLoss" />
    <link:label xlink:type="resource" xlink:label="label_OperatingIncomeLoss_3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OperatingIncomeLoss" xml:lang="en-US" id="label_OperatingIncomeLoss_3">Operating Income (Loss)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingIncomeLoss" xlink:to="label_OperatingIncomeLoss_3" xlink:title="label: OperatingIncomeLoss to label_OperatingIncomeLoss" />
    <link:label xlink:type="resource" xlink:label="label_OperatingIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_OperatingIncomeLoss" xml:lang="en-US" id="label_OperatingIncomeLoss">Income from operations</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingIncomeLoss" xlink:to="label_OperatingIncomeLoss" xlink:title="label: OperatingIncomeLoss to label_OperatingIncomeLoss" />
    <link:label xlink:type="resource" xlink:label="label_OperatingIncomeLoss_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_OperatingIncomeLoss" xml:lang="en-US" id="label_OperatingIncomeLoss_2">Income from operations</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingIncomeLoss" xlink:to="label_OperatingIncomeLoss_2" xlink:title="label: OperatingIncomeLoss to label_OperatingIncomeLoss" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="NonoperatingIncomeExpenseAbstract" xlink:title="NonoperatingIncomeExpenseAbstract" />
    <link:label xlink:type="resource" xlink:label="label_NonoperatingIncomeExpenseAbstract_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NonoperatingIncomeExpenseAbstract" xml:lang="en-US" id="label_NonoperatingIncomeExpenseAbstract_2">Nonoperating Income (Expense) [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonoperatingIncomeExpenseAbstract" xlink:to="label_NonoperatingIncomeExpenseAbstract_2" xlink:title="label: NonoperatingIncomeExpenseAbstract to label_NonoperatingIncomeExpenseAbstract" />
    <link:label xlink:type="resource" xlink:label="label_NonoperatingIncomeExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_NonoperatingIncomeExpenseAbstract" xml:lang="en-US" id="label_NonoperatingIncomeExpenseAbstract">Non-operating expense, net:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonoperatingIncomeExpenseAbstract" xlink:to="label_NonoperatingIncomeExpenseAbstract" xlink:title="label: NonoperatingIncomeExpenseAbstract to label_NonoperatingIncomeExpenseAbstract" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_InterestIncomeExpenseAndOtherFinancialCostsNet" xlink:label="InterestIncomeExpenseAndOtherFinancialCostsNet" xlink:title="InterestIncomeExpenseAndOtherFinancialCostsNet" />
    <link:label xlink:type="resource" xlink:label="label_InterestIncomeExpenseAndOtherFinancialCostsNet" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_InterestIncomeExpenseAndOtherFinancialCostsNet" xml:lang="en-US" id="label_InterestIncomeExpenseAndOtherFinancialCostsNet">Interest expense and other financing costs, net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InterestIncomeExpenseAndOtherFinancialCostsNet" xlink:to="label_InterestIncomeExpenseAndOtherFinancialCostsNet" xlink:title="label: InterestIncomeExpenseAndOtherFinancialCostsNet to label_InterestIncomeExpenseAndOtherFinancialCostsNet" />
    <link:label xlink:type="resource" xlink:label="label_InterestIncomeExpenseAndOtherFinancialCostsNet_2" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:title="label_InterestIncomeExpenseAndOtherFinancialCostsNet" xml:lang="en-US" id="label_InterestIncomeExpenseAndOtherFinancialCostsNet_2">Total interest income, expense and other financing costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InterestIncomeExpenseAndOtherFinancialCostsNet" xlink:to="label_InterestIncomeExpenseAndOtherFinancialCostsNet_2" xlink:title="label: InterestIncomeExpenseAndOtherFinancialCostsNet to label_InterestIncomeExpenseAndOtherFinancialCostsNet" />
    <link:label xlink:type="resource" xlink:label="label_InterestIncomeExpenseAndOtherFinancialCostsNet_3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_InterestIncomeExpenseAndOtherFinancialCostsNet" xml:lang="en-US" id="label_InterestIncomeExpenseAndOtherFinancialCostsNet_3">Interest Income Expense and Other Financial Costs, Net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InterestIncomeExpenseAndOtherFinancialCostsNet" xlink:to="label_InterestIncomeExpenseAndOtherFinancialCostsNet_3" xlink:title="label: InterestIncomeExpenseAndOtherFinancialCostsNet to label_InterestIncomeExpenseAndOtherFinancialCostsNet" />
    <link:label xlink:type="resource" xlink:label="label_InterestIncomeExpenseAndOtherFinancialCostsNet_4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_InterestIncomeExpenseAndOtherFinancialCostsNet" xml:lang="en-US" id="label_InterestIncomeExpenseAndOtherFinancialCostsNet_4">Represents the amount of interest income and expense, net, which includes other financing costs.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InterestIncomeExpenseAndOtherFinancialCostsNet" xlink:to="label_InterestIncomeExpenseAndOtherFinancialCostsNet_4" xlink:title="label: InterestIncomeExpenseAndOtherFinancialCostsNet to label_InterestIncomeExpenseAndOtherFinancialCostsNet" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="OtherNonoperatingIncomeExpense" xlink:title="OtherNonoperatingIncomeExpense" />
    <link:label xlink:type="resource" xlink:label="label_OtherNonoperatingIncomeExpense_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OtherNonoperatingIncomeExpense" xml:lang="en-US" id="label_OtherNonoperatingIncomeExpense_2">Other Nonoperating Income (Expense)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherNonoperatingIncomeExpense" xlink:to="label_OtherNonoperatingIncomeExpense_2" xlink:title="label: OtherNonoperatingIncomeExpense to label_OtherNonoperatingIncomeExpense" />
    <link:label xlink:type="resource" xlink:label="label_OtherNonoperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_OtherNonoperatingIncomeExpense" xml:lang="en-US" id="label_OtherNonoperatingIncomeExpense">Other (expense) income, net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherNonoperatingIncomeExpense" xlink:to="label_OtherNonoperatingIncomeExpense" xlink:title="label: OtherNonoperatingIncomeExpense to label_OtherNonoperatingIncomeExpense" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="NonoperatingIncomeExpense" xlink:title="NonoperatingIncomeExpense" />
    <link:label xlink:type="resource" xlink:label="label_NonoperatingIncomeExpense_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NonoperatingIncomeExpense" xml:lang="en-US" id="label_NonoperatingIncomeExpense_2">Nonoperating Income (Expense)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonoperatingIncomeExpense" xlink:to="label_NonoperatingIncomeExpense_2" xlink:title="label: NonoperatingIncomeExpense to label_NonoperatingIncomeExpense" />
    <link:label xlink:type="resource" xlink:label="label_NonoperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_NonoperatingIncomeExpense" xml:lang="en-US" id="label_NonoperatingIncomeExpense">Total non-operating expenses, net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonoperatingIncomeExpense" xlink:to="label_NonoperatingIncomeExpense" xlink:title="label: NonoperatingIncomeExpense to label_NonoperatingIncomeExpense" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" />
    <link:label xlink:type="resource" xlink:label="label_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xml:lang="en-US" id="label_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_2">Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="label_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_2" xlink:title="label: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to label_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" />
    <link:label xlink:type="resource" xlink:label="label_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xml:lang="en-US" id="label_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments">Income before income taxes</link:label>
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    <link:label xlink:type="resource" xlink:label="label_EarningsPerShareBasic" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_EarningsPerShareBasic" xml:lang="en-US" id="label_EarningsPerShareBasic">Basic earnings per common share (in dollars per share)</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="label_WeightedAverageNumberOfSharesOutstandingBasic_2" xlink:title="label: WeightedAverageNumberOfSharesOutstandingBasic to label_WeightedAverageNumberOfSharesOutstandingBasic" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ParentMember" xlink:to="label_ParentMember" xlink:title="label: ParentMember to label_ParentMember" />
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    <link:label xlink:type="resource" xlink:label="label_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AmendmentFlag" xml:lang="en-US" id="label_AmendmentFlag">Amendment Flag</link:label>
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    <link:label xlink:type="resource" xlink:label="label_AmendmentDescription" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AmendmentDescription" xml:lang="en-US" id="label_AmendmentDescription">Amendment Description</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmendmentDescription" xlink:to="label_AmendmentDescription" xlink:title="label: AmendmentDescription to label_AmendmentDescription" />
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    <link:label xlink:type="resource" xlink:label="label_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CurrentFiscalYearEndDate" xml:lang="en-US" id="label_CurrentFiscalYearEndDate">Current Fiscal Year End Date</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CurrentFiscalYearEndDate" xlink:to="label_CurrentFiscalYearEndDate" xlink:title="label: CurrentFiscalYearEndDate to label_CurrentFiscalYearEndDate" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="EntityWellKnownSeasonedIssuer" xlink:title="EntityWellKnownSeasonedIssuer" />
    <link:label xlink:type="resource" xlink:label="label_EntityWellKnownSeasonedIssuer" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntityWellKnownSeasonedIssuer" xml:lang="en-US" id="label_EntityWellKnownSeasonedIssuer">Entity Well-known Seasoned Issuer</link:label>
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    <link:label xlink:type="resource" xlink:label="label_EntityVoluntaryFilers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntityVoluntaryFilers" xml:lang="en-US" id="label_EntityVoluntaryFilers">Entity Voluntary Filers</link:label>
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    <link:label xlink:type="resource" xlink:label="label_EntityCurrentReportingStatus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntityCurrentReportingStatus" xml:lang="en-US" id="label_EntityCurrentReportingStatus">Entity Current Reporting Status</link:label>
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    <link:label xlink:type="resource" xlink:label="label_EntityFilerCategory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntityFilerCategory" xml:lang="en-US" id="label_EntityFilerCategory">Entity Filer Category</link:label>
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    <link:label xlink:type="resource" xlink:label="label_EntityPublicFloat" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntityPublicFloat" xml:lang="en-US" id="label_EntityPublicFloat">Entity Public Float</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityPublicFloat" xlink:to="label_EntityPublicFloat" xlink:title="label: EntityPublicFloat to label_EntityPublicFloat" />
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    <link:label xlink:type="resource" xlink:label="label_InterestExpenseAndOtherFinancialCostsNet_3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_InterestExpenseAndOtherFinancialCostsNet" xml:lang="en-US" id="label_InterestExpenseAndOtherFinancialCostsNet_3">Represents the amount of interest expense net which included other financing costs.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InterestExpenseAndOtherFinancialCostsNet" xlink:to="label_InterestExpenseAndOtherFinancialCostsNet_3" xlink:title="label: InterestExpenseAndOtherFinancialCostsNet to label_InterestExpenseAndOtherFinancialCostsNet" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock" xlink:label="ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock" xlink:title="ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock" xml:lang="en-US" id="label_ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock">Schedule of Income Tax Expense (Benefit) and Effective Income Tax Rate [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock" xlink:to="label_ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock" xlink:title="label: ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock to label_ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock" xml:lang="en-US" id="label_ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock_2">Schedule of Income tax provision and the respective effective tax rates</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock" xlink:to="label_ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock_2" xlink:title="label: ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock to label_ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock_3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock" xml:lang="en-US" id="label_ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock_3">Tabular disclosure of the components of income tax expense and effective income tax rate attributable to continuing operations.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock" xlink:to="label_ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock_3" xlink:title="label: ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock to label_ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="EffectiveIncomeTaxRateContinuingOperations" xlink:title="EffectiveIncomeTaxRateContinuingOperations" />
    <link:label xlink:type="resource" xlink:label="label_EffectiveIncomeTaxRateContinuingOperations_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EffectiveIncomeTaxRateContinuingOperations" xml:lang="en-US" id="label_EffectiveIncomeTaxRateContinuingOperations_2">Effective Income Tax Rate, Continuing Operations</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EffectiveIncomeTaxRateContinuingOperations" xlink:to="label_EffectiveIncomeTaxRateContinuingOperations_2" xlink:title="label: EffectiveIncomeTaxRateContinuingOperations to label_EffectiveIncomeTaxRateContinuingOperations" />
    <link:label xlink:type="resource" xlink:label="label_EffectiveIncomeTaxRateContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_EffectiveIncomeTaxRateContinuingOperations" xml:lang="en-US" id="label_EffectiveIncomeTaxRateContinuingOperations">Effective income tax rate (as a percent)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EffectiveIncomeTaxRateContinuingOperations" xlink:to="label_EffectiveIncomeTaxRateContinuingOperations" xlink:title="label: EffectiveIncomeTaxRateContinuingOperations to label_EffectiveIncomeTaxRateContinuingOperations" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LossContingenciesTable" xlink:label="LossContingenciesTable" xlink:title="LossContingenciesTable" />
    <link:label xlink:type="resource" xlink:label="label_LossContingenciesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LossContingenciesTable" xml:lang="en-US" id="label_LossContingenciesTable">Loss Contingencies [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingenciesTable" xlink:to="label_LossContingenciesTable" xlink:title="label: LossContingenciesTable to label_LossContingenciesTable" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:label="LossContingenciesByNatureOfContingencyAxis" xlink:title="LossContingenciesByNatureOfContingencyAxis" />
    <link:label xlink:type="resource" xlink:label="label_LossContingenciesByNatureOfContingencyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LossContingenciesByNatureOfContingencyAxis" xml:lang="en-US" id="label_LossContingenciesByNatureOfContingencyAxis">Loss Contingencies by Nature of Contingency [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingenciesByNatureOfContingencyAxis" xlink:to="label_LossContingenciesByNatureOfContingencyAxis" xlink:title="label: LossContingenciesByNatureOfContingencyAxis to label_LossContingenciesByNatureOfContingencyAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:label="LossContingencyNatureDomain" xlink:title="LossContingencyNatureDomain" />
    <link:label xlink:type="resource" xlink:label="label_LossContingencyNatureDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LossContingencyNatureDomain" xml:lang="en-US" id="label_LossContingencyNatureDomain">Loss Contingency Nature [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingencyNatureDomain" xlink:to="label_LossContingencyNatureDomain" xlink:title="label: LossContingencyNatureDomain to label_LossContingencyNatureDomain" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_MiamiAirportLitigationMember" xlink:label="MiamiAirportLitigationMember" xlink:title="MiamiAirportLitigationMember" />
    <link:label xlink:type="resource" xlink:label="label_MiamiAirportLitigationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_MiamiAirportLitigationMember" xml:lang="en-US" id="label_MiamiAirportLitigationMember">Miami Airport Litigation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MiamiAirportLitigationMember" xlink:to="label_MiamiAirportLitigationMember" xlink:title="label: MiamiAirportLitigationMember to label_MiamiAirportLitigationMember" />
    <link:label xlink:type="resource" xlink:label="label_MiamiAirportLitigationMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_MiamiAirportLitigationMember" xml:lang="en-US" id="label_MiamiAirportLitigationMember_2">Represents the risk of loss associated with the outcome of the pending or threatened Miami Airport litigation against the entity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MiamiAirportLitigationMember" xlink:to="label_MiamiAirportLitigationMember_2" xlink:title="label: MiamiAirportLitigationMember to label_MiamiAirportLitigationMember" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_BrendanAirwaysLitigationMember" xlink:label="BrendanAirwaysLitigationMember" xlink:title="BrendanAirwaysLitigationMember" />
    <link:label xlink:type="resource" xlink:label="label_BrendanAirwaysLitigationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BrendanAirwaysLitigationMember" xml:lang="en-US" id="label_BrendanAirwaysLitigationMember">Brendan Airways Litigation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BrendanAirwaysLitigationMember" xlink:to="label_BrendanAirwaysLitigationMember" xlink:title="label: BrendanAirwaysLitigationMember to label_BrendanAirwaysLitigationMember" />
    <link:label xlink:type="resource" xlink:label="label_BrendanAirwaysLitigationMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_BrendanAirwaysLitigationMember" xml:lang="en-US" id="label_BrendanAirwaysLitigationMember_2">Represents the risk of loss associated with the outcome of the pending or threatened Brendan Airways litigation against the entity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BrendanAirwaysLitigationMember" xlink:to="label_BrendanAirwaysLitigationMember_2" xlink:title="label: BrendanAirwaysLitigationMember to label_BrendanAirwaysLitigationMember" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="LossContingenciesLineItems" xlink:title="LossContingenciesLineItems" />
    <link:label xlink:type="resource" xlink:label="label_LossContingenciesLineItems_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LossContingenciesLineItems" xml:lang="en-US" id="label_LossContingenciesLineItems_2">Loss Contingencies [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingenciesLineItems" xlink:to="label_LossContingenciesLineItems_2" xlink:title="label: LossContingenciesLineItems to label_LossContingenciesLineItems" />
    <link:label xlink:type="resource" xlink:label="label_LossContingenciesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LossContingenciesLineItems" xml:lang="en-US" id="label_LossContingenciesLineItems">Legal Matters</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingenciesLineItems" xlink:to="label_LossContingenciesLineItems" xlink:title="label: LossContingenciesLineItems to label_LossContingenciesLineItems" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_LossContingencyNumberOfDefendants" xlink:label="LossContingencyNumberOfDefendants" xlink:title="LossContingencyNumberOfDefendants" />
    <link:label xlink:type="resource" xlink:label="label_LossContingencyNumberOfDefendants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LossContingencyNumberOfDefendants" xml:lang="en-US" id="label_LossContingencyNumberOfDefendants">Loss Contingency Number of Defendants</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingencyNumberOfDefendants" xlink:to="label_LossContingencyNumberOfDefendants" xlink:title="label: LossContingencyNumberOfDefendants to label_LossContingencyNumberOfDefendants" />
    <link:label xlink:type="resource" xlink:label="label_LossContingencyNumberOfDefendants_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LossContingencyNumberOfDefendants" xml:lang="en-US" id="label_LossContingencyNumberOfDefendants_2">Number of defendants</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingencyNumberOfDefendants" xlink:to="label_LossContingencyNumberOfDefendants_2" xlink:title="label: LossContingencyNumberOfDefendants to label_LossContingencyNumberOfDefendants" />
    <link:label xlink:type="resource" xlink:label="label_LossContingencyNumberOfDefendants_3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_LossContingencyNumberOfDefendants" xml:lang="en-US" id="label_LossContingencyNumberOfDefendants_3">Represents the number of defendants against whom suit was filed to seek reimbursement for the cost of remediating environmental contamination.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingencyNumberOfDefendants" xlink:to="label_LossContingencyNumberOfDefendants_3" xlink:title="label: LossContingencyNumberOfDefendants to label_LossContingencyNumberOfDefendants" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_LossContingencyNumberOfPotentiallyResponsibleParties" xlink:label="LossContingencyNumberOfPotentiallyResponsibleParties" xlink:title="LossContingencyNumberOfPotentiallyResponsibleParties" />
    <link:label xlink:type="resource" xlink:label="label_LossContingencyNumberOfPotentiallyResponsibleParties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LossContingencyNumberOfPotentiallyResponsibleParties" xml:lang="en-US" id="label_LossContingencyNumberOfPotentiallyResponsibleParties">Loss Contingency, Number of Potentially Responsible Parties</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingencyNumberOfPotentiallyResponsibleParties" xlink:to="label_LossContingencyNumberOfPotentiallyResponsibleParties" xlink:title="label: LossContingencyNumberOfPotentiallyResponsibleParties to label_LossContingencyNumberOfPotentiallyResponsibleParties" />
    <link:label xlink:type="resource" xlink:label="label_LossContingencyNumberOfPotentiallyResponsibleParties_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LossContingencyNumberOfPotentiallyResponsibleParties" xml:lang="en-US" id="label_LossContingencyNumberOfPotentiallyResponsibleParties_2">Number of Potentially Responsible Parties</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingencyNumberOfPotentiallyResponsibleParties" xlink:to="label_LossContingencyNumberOfPotentiallyResponsibleParties_2" xlink:title="label: LossContingencyNumberOfPotentiallyResponsibleParties to label_LossContingencyNumberOfPotentiallyResponsibleParties" />
    <link:label xlink:type="resource" xlink:label="label_LossContingencyNumberOfPotentiallyResponsibleParties_3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_LossContingencyNumberOfPotentiallyResponsibleParties" xml:lang="en-US" id="label_LossContingencyNumberOfPotentiallyResponsibleParties_3">Represents the number of potentially responsible parties including the entity, who were advised of their potential liability for the clean-up costs of the contamination that is the subject of the County Suit.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingencyNumberOfPotentiallyResponsibleParties" xlink:to="label_LossContingencyNumberOfPotentiallyResponsibleParties_3" xlink:title="label: LossContingencyNumberOfPotentiallyResponsibleParties to label_LossContingencyNumberOfPotentiallyResponsibleParties" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_LossContingencyLetterSentToNumberOfSubsidiaries" xlink:label="LossContingencyLetterSentToNumberOfSubsidiaries" xlink:title="LossContingencyLetterSentToNumberOfSubsidiaries" />
    <link:label xlink:type="resource" xlink:label="label_LossContingencyLetterSentToNumberOfSubsidiaries" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LossContingencyLetterSentToNumberOfSubsidiaries" xml:lang="en-US" id="label_LossContingencyLetterSentToNumberOfSubsidiaries">Loss Contingency, Letter Sent to Number of Subsidiaries</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingencyLetterSentToNumberOfSubsidiaries" xlink:to="label_LossContingencyLetterSentToNumberOfSubsidiaries" xlink:title="label: LossContingencyLetterSentToNumberOfSubsidiaries to label_LossContingencyLetterSentToNumberOfSubsidiaries" />
    <link:label xlink:type="resource" xlink:label="label_LossContingencyLetterSentToNumberOfSubsidiaries_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LossContingencyLetterSentToNumberOfSubsidiaries" xml:lang="en-US" id="label_LossContingencyLetterSentToNumberOfSubsidiaries_2">Number of subsidiaries that received a letter</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingencyLetterSentToNumberOfSubsidiaries" xlink:to="label_LossContingencyLetterSentToNumberOfSubsidiaries_2" xlink:title="label: LossContingencyLetterSentToNumberOfSubsidiaries to label_LossContingencyLetterSentToNumberOfSubsidiaries" />
    <link:label xlink:type="resource" xlink:label="label_LossContingencyLetterSentToNumberOfSubsidiaries_3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_LossContingencyLetterSentToNumberOfSubsidiaries" xml:lang="en-US" id="label_LossContingencyLetterSentToNumberOfSubsidiaries_3">Represents the number of subsidiaries of the entity to whom the County sent a letter.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingencyLetterSentToNumberOfSubsidiaries" xlink:to="label_LossContingencyLetterSentToNumberOfSubsidiaries_3" xlink:title="label: LossContingencyLetterSentToNumberOfSubsidiaries to label_LossContingencyLetterSentToNumberOfSubsidiaries" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_LossContingencyNumberOfSubsidiariesInvolvedInDispute" xlink:label="LossContingencyNumberOfSubsidiariesInvolvedInDispute" xlink:title="LossContingencyNumberOfSubsidiariesInvolvedInDispute" />
    <link:label xlink:type="resource" xlink:label="label_LossContingencyNumberOfSubsidiariesInvolvedInDispute" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LossContingencyNumberOfSubsidiariesInvolvedInDispute" xml:lang="en-US" id="label_LossContingencyNumberOfSubsidiariesInvolvedInDispute">Loss Contingency, Number of Subsidiaries Involved in Dispute</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingencyNumberOfSubsidiariesInvolvedInDispute" xlink:to="label_LossContingencyNumberOfSubsidiariesInvolvedInDispute" xlink:title="label: LossContingencyNumberOfSubsidiariesInvolvedInDispute to label_LossContingencyNumberOfSubsidiariesInvolvedInDispute" />
    <link:label xlink:type="resource" xlink:label="label_LossContingencyNumberOfSubsidiariesInvolvedInDispute_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LossContingencyNumberOfSubsidiariesInvolvedInDispute" xml:lang="en-US" id="label_LossContingencyNumberOfSubsidiariesInvolvedInDispute_2">Number of subsidiaries involved in dispute</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingencyNumberOfSubsidiariesInvolvedInDispute" xlink:to="label_LossContingencyNumberOfSubsidiariesInvolvedInDispute_2" xlink:title="label: LossContingencyNumberOfSubsidiariesInvolvedInDispute to label_LossContingencyNumberOfSubsidiariesInvolvedInDispute" />
    <link:label xlink:type="resource" xlink:label="label_LossContingencyNumberOfSubsidiariesInvolvedInDispute_3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_LossContingencyNumberOfSubsidiariesInvolvedInDispute" xml:lang="en-US" id="label_LossContingencyNumberOfSubsidiariesInvolvedInDispute_3">Represents the number of subsidiaries of the entity, which were involved in the dispute.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingencyNumberOfSubsidiariesInvolvedInDispute" xlink:to="label_LossContingencyNumberOfSubsidiariesInvolvedInDispute_3" xlink:title="label: LossContingencyNumberOfSubsidiariesInvolvedInDispute to label_LossContingencyNumberOfSubsidiariesInvolvedInDispute" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LossContingencyDamagesSoughtValue" xlink:label="LossContingencyDamagesSoughtValue" xlink:title="LossContingencyDamagesSoughtValue" />
    <link:label xlink:type="resource" xlink:label="label_LossContingencyDamagesSoughtValue_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LossContingencyDamagesSoughtValue" xml:lang="en-US" id="label_LossContingencyDamagesSoughtValue_2">Loss Contingency, Damages Sought, Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingencyDamagesSoughtValue" xlink:to="label_LossContingencyDamagesSoughtValue_2" xlink:title="label: LossContingencyDamagesSoughtValue to label_LossContingencyDamagesSoughtValue" />
    <link:label xlink:type="resource" xlink:label="label_LossContingencyDamagesSoughtValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LossContingencyDamagesSoughtValue" xml:lang="en-US" id="label_LossContingencyDamagesSoughtValue">Damages sought by Brendan, plus interest and attorney's fees</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingencyDamagesSoughtValue" xlink:to="label_LossContingencyDamagesSoughtValue" xlink:title="label: LossContingencyDamagesSoughtValue to label_LossContingencyDamagesSoughtValue" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_ReportingSegmentsNumber" xlink:label="ReportingSegmentsNumber" xlink:title="ReportingSegmentsNumber" />
    <link:label xlink:type="resource" xlink:label="label_ReportingSegmentsNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ReportingSegmentsNumber" xml:lang="en-US" id="label_ReportingSegmentsNumber">Number of reportable operating business segments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReportingSegmentsNumber" xlink:to="label_ReportingSegmentsNumber" xlink:title="label: ReportingSegmentsNumber to label_ReportingSegmentsNumber" />
    <link:label xlink:type="resource" xlink:label="label_ReportingSegmentsNumber_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ReportingSegmentsNumber" xml:lang="en-US" id="label_ReportingSegmentsNumber_2">Reporting Segments Number</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReportingSegmentsNumber" xlink:to="label_ReportingSegmentsNumber_2" xlink:title="label: ReportingSegmentsNumber to label_ReportingSegmentsNumber" />
    <link:label xlink:type="resource" xlink:label="label_ReportingSegmentsNumber_3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ReportingSegmentsNumber" xml:lang="en-US" id="label_ReportingSegmentsNumber_3">Represents the number of reportable operating business segments of the entity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReportingSegmentsNumber" xlink:to="label_ReportingSegmentsNumber_3" xlink:title="label: ReportingSegmentsNumber to label_ReportingSegmentsNumber" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="ScheduleOfSegmentReportingInformationBySegmentTable" xlink:title="ScheduleOfSegmentReportingInformationBySegmentTable" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ScheduleOfSegmentReportingInformationBySegmentTable" xml:lang="en-US" id="label_ScheduleOfSegmentReportingInformationBySegmentTable">Schedule of Segment Reporting Information by Segment [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="label_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:title="label: ScheduleOfSegmentReportingInformationBySegmentTable to label_ScheduleOfSegmentReportingInformationBySegmentTable" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="StatementBusinessSegmentsAxis" xlink:title="StatementBusinessSegmentsAxis" />
    <link:label xlink:type="resource" xlink:label="label_StatementBusinessSegmentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StatementBusinessSegmentsAxis" xml:lang="en-US" id="label_StatementBusinessSegmentsAxis">Statement Business Segments [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementBusinessSegmentsAxis" xlink:to="label_StatementBusinessSegmentsAxis" xlink:title="label: StatementBusinessSegmentsAxis to label_StatementBusinessSegmentsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="SegmentDomain" xlink:title="SegmentDomain" />
    <link:label xlink:type="resource" xlink:label="label_SegmentDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SegmentDomain" xml:lang="en-US" id="label_SegmentDomain">Segment [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SegmentDomain" xlink:to="label_SegmentDomain" xlink:title="label: SegmentDomain to label_SegmentDomain" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_AviationSegmentMember" xlink:label="AviationSegmentMember" xlink:title="AviationSegmentMember" />
    <link:label xlink:type="resource" xlink:label="label_AviationSegmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AviationSegmentMember" xml:lang="en-US" id="label_AviationSegmentMember">Aviation segment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AviationSegmentMember" xlink:to="label_AviationSegmentMember" xlink:title="label: AviationSegmentMember to label_AviationSegmentMember" />
    <link:label xlink:type="resource" xlink:label="label_AviationSegmentMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_AviationSegmentMember" xml:lang="en-US" id="label_AviationSegmentMember_2">Represents the information related to the Aviation segment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AviationSegmentMember" xlink:to="label_AviationSegmentMember_2" xlink:title="label: AviationSegmentMember to label_AviationSegmentMember" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_MarineSegmentMember" xlink:label="MarineSegmentMember" xlink:title="MarineSegmentMember" />
    <link:label xlink:type="resource" xlink:label="label_MarineSegmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_MarineSegmentMember" xml:lang="en-US" id="label_MarineSegmentMember">Marine segment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MarineSegmentMember" xlink:to="label_MarineSegmentMember" xlink:title="label: MarineSegmentMember to label_MarineSegmentMember" />
    <link:label xlink:type="resource" xlink:label="label_MarineSegmentMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_MarineSegmentMember" xml:lang="en-US" id="label_MarineSegmentMember_2">Represents the information related to the Marine segment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MarineSegmentMember" xlink:to="label_MarineSegmentMember_2" xlink:title="label: MarineSegmentMember to label_MarineSegmentMember" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_LandSegmentMember" xlink:label="LandSegmentMember" xlink:title="LandSegmentMember" />
    <link:label xlink:type="resource" xlink:label="label_LandSegmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LandSegmentMember" xml:lang="en-US" id="label_LandSegmentMember">Land segment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LandSegmentMember" xlink:to="label_LandSegmentMember" xlink:title="label: LandSegmentMember to label_LandSegmentMember" />
    <link:label xlink:type="resource" xlink:label="label_LandSegmentMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_LandSegmentMember" xml:lang="en-US" id="label_LandSegmentMember_2">Represents the information related to the Land segment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LandSegmentMember" xlink:to="label_LandSegmentMember_2" xlink:title="label: LandSegmentMember to label_LandSegmentMember" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnallocatedAmountToSegmentMember" xlink:label="UnallocatedAmountToSegmentMember" xlink:title="UnallocatedAmountToSegmentMember" />
    <link:label xlink:type="resource" xlink:label="label_UnallocatedAmountToSegmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_UnallocatedAmountToSegmentMember" xml:lang="en-US" id="label_UnallocatedAmountToSegmentMember">Corporate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UnallocatedAmountToSegmentMember" xlink:to="label_UnallocatedAmountToSegmentMember" xlink:title="label: UnallocatedAmountToSegmentMember to label_UnallocatedAmountToSegmentMember" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="SegmentReportingInformationLineItems" xlink:title="SegmentReportingInformationLineItems" />
    <link:label xlink:type="resource" xlink:label="label_SegmentReportingInformationLineItems_3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SegmentReportingInformationLineItems" xml:lang="en-US" id="label_SegmentReportingInformationLineItems_3">Segment Reporting Information [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SegmentReportingInformationLineItems" xlink:to="label_SegmentReportingInformationLineItems_3" xlink:title="label: SegmentReportingInformationLineItems to label_SegmentReportingInformationLineItems" />
    <link:label xlink:type="resource" xlink:label="label_SegmentReportingInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SegmentReportingInformationLineItems" xml:lang="en-US" id="label_SegmentReportingInformationLineItems">Information from operations by segment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SegmentReportingInformationLineItems" xlink:to="label_SegmentReportingInformationLineItems" xlink:title="label: SegmentReportingInformationLineItems to label_SegmentReportingInformationLineItems" />
    <link:label xlink:type="resource" xlink:label="label_SegmentReportingInformationLineItems_2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_SegmentReportingInformationLineItems" xml:lang="en-US" id="label_SegmentReportingInformationLineItems_2">Information of accounts receivable and total assets by segment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SegmentReportingInformationLineItems" xlink:to="label_SegmentReportingInformationLineItems_2" xlink:title="label: SegmentReportingInformationLineItems to label_SegmentReportingInformationLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="RevenuesAbstract" xlink:title="RevenuesAbstract" />
    <link:label xlink:type="resource" xlink:label="label_RevenuesAbstract_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_RevenuesAbstract" xml:lang="en-US" id="label_RevenuesAbstract_2">Revenues [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevenuesAbstract" xlink:to="label_RevenuesAbstract_2" xlink:title="label: RevenuesAbstract to label_RevenuesAbstract" />
    <link:label xlink:type="resource" xlink:label="label_RevenuesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_RevenuesAbstract" xml:lang="en-US" id="label_RevenuesAbstract">Revenue:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevenuesAbstract" xlink:to="label_RevenuesAbstract" xlink:title="label: RevenuesAbstract to label_RevenuesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GrossProfitAbstract" xlink:label="GrossProfitAbstract" xlink:title="GrossProfitAbstract" />
    <link:label xlink:type="resource" xlink:label="label_GrossProfitAbstract_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_GrossProfitAbstract" xml:lang="en-US" id="label_GrossProfitAbstract_2">Gross Profit [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GrossProfitAbstract" xlink:to="label_GrossProfitAbstract_2" xlink:title="label: GrossProfitAbstract to label_GrossProfitAbstract" />
    <link:label xlink:type="resource" xlink:label="label_GrossProfitAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_GrossProfitAbstract" xml:lang="en-US" id="label_GrossProfitAbstract">Gross profit:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GrossProfitAbstract" xlink:to="label_GrossProfitAbstract" xlink:title="label: GrossProfitAbstract to label_GrossProfitAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsReceivableNetAbstract" xlink:label="AccountsReceivableNetAbstract" xlink:title="AccountsReceivableNetAbstract" />
    <link:label xlink:type="resource" xlink:label="label_AccountsReceivableNetAbstract_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AccountsReceivableNetAbstract" xml:lang="en-US" id="label_AccountsReceivableNetAbstract_2">Accounts Receivable, Net [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsReceivableNetAbstract" xlink:to="label_AccountsReceivableNetAbstract_2" xlink:title="label: AccountsReceivableNetAbstract to label_AccountsReceivableNetAbstract" />
    <link:label xlink:type="resource" xlink:label="label_AccountsReceivableNetAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AccountsReceivableNetAbstract" xml:lang="en-US" id="label_AccountsReceivableNetAbstract">Accounts receivable, net:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsReceivableNetAbstract" xlink:to="label_AccountsReceivableNetAbstract" xlink:title="label: AccountsReceivableNetAbstract to label_AccountsReceivableNetAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="AllowanceForDoubtfulAccountsReceivableCurrent" xlink:title="AllowanceForDoubtfulAccountsReceivableCurrent" />
    <link:label xlink:type="resource" xlink:label="label_AllowanceForDoubtfulAccountsReceivableCurrent_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AllowanceForDoubtfulAccountsReceivableCurrent" xml:lang="en-US" id="label_AllowanceForDoubtfulAccountsReceivableCurrent_2">Allowance for Doubtful Accounts Receivable, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AllowanceForDoubtfulAccountsReceivableCurrent" xlink:to="label_AllowanceForDoubtfulAccountsReceivableCurrent_2" xlink:title="label: AllowanceForDoubtfulAccountsReceivableCurrent to label_AllowanceForDoubtfulAccountsReceivableCurrent" />
    <link:label xlink:type="resource" xlink:label="label_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AllowanceForDoubtfulAccountsReceivableCurrent" xml:lang="en-US" id="label_AllowanceForDoubtfulAccountsReceivableCurrent">Net of allowance for bad debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AllowanceForDoubtfulAccountsReceivableCurrent" xlink:to="label_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:title="label: AllowanceForDoubtfulAccountsReceivableCurrent to label_AllowanceForDoubtfulAccountsReceivableCurrent" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="OperatingSegmentsMember" xlink:title="OperatingSegmentsMember" />
    <link:label xlink:type="resource" xlink:label="label_OperatingSegmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OperatingSegmentsMember" xml:lang="en-US" id="label_OperatingSegmentsMember">Operating Segments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingSegmentsMember" xlink:to="label_OperatingSegmentsMember" xlink:title="label: OperatingSegmentsMember to label_OperatingSegmentsMember" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xlink:label="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xlink:title="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xml:lang="en-US" id="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock">Fair Value Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xlink:to="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xlink:title="label: FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock to label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xml:lang="en-US" id="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock_2">Schedule of assets and liabilities that are measured at fair value on a recurring basis that utilized Level 3 inputs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xlink:to="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock_2" xlink:title="label: FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock to label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock_3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xml:lang="en-US" id="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock_3">Tabular disclosure of the fair value measurement of assets and liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xlink:to="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock_3" xlink:title="label: FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock to label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:title="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" />
    <link:label xlink:type="resource" xlink:label="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xml:lang="en-US" id="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable">Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:title="label: FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable to label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="FairValueByMeasurementFrequencyAxis" xlink:title="FairValueByMeasurementFrequencyAxis" />
    <link:label xlink:type="resource" xlink:label="label_FairValueByMeasurementFrequencyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueByMeasurementFrequencyAxis" xml:lang="en-US" id="label_FairValueByMeasurementFrequencyAxis">Fair Value by Measurement Frequency [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueByMeasurementFrequencyAxis" xlink:to="label_FairValueByMeasurementFrequencyAxis" xlink:title="label: FairValueByMeasurementFrequencyAxis to label_FairValueByMeasurementFrequencyAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="FairValueMeasurementFrequencyDomain" xlink:title="FairValueMeasurementFrequencyDomain" />
    <link:label xlink:type="resource" xlink:label="label_FairValueMeasurementFrequencyDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueMeasurementFrequencyDomain" xml:lang="en-US" id="label_FairValueMeasurementFrequencyDomain">Fair Value Measurement Frequency [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueMeasurementFrequencyDomain" xlink:to="label_FairValueMeasurementFrequencyDomain" xlink:title="label: FairValueMeasurementFrequencyDomain to label_FairValueMeasurementFrequencyDomain" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="FairValueMeasurementsRecurringMember" xlink:title="FairValueMeasurementsRecurringMember" />
    <link:label xlink:type="resource" xlink:label="label_FairValueMeasurementsRecurringMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueMeasurementsRecurringMember" xml:lang="en-US" id="label_FairValueMeasurementsRecurringMember">Fair value measured on recurring basis</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueMeasurementsRecurringMember" xlink:to="label_FairValueMeasurementsRecurringMember" xlink:title="label: FairValueMeasurementsRecurringMember to label_FairValueMeasurementsRecurringMember" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="FairValueByFairValueHierarchyLevelAxis" xlink:title="FairValueByFairValueHierarchyLevelAxis" />
    <link:label xlink:type="resource" xlink:label="label_FairValueByFairValueHierarchyLevelAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueByFairValueHierarchyLevelAxis" xml:lang="en-US" id="label_FairValueByFairValueHierarchyLevelAxis">Fair Value by Fair Value Hierarchy Level [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueByFairValueHierarchyLevelAxis" xlink:to="label_FairValueByFairValueHierarchyLevelAxis" xlink:title="label: FairValueByFairValueHierarchyLevelAxis to label_FairValueByFairValueHierarchyLevelAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="FairValueMeasurementsFairValueHierarchyDomain" xlink:title="FairValueMeasurementsFairValueHierarchyDomain" />
    <link:label xlink:type="resource" xlink:label="label_FairValueMeasurementsFairValueHierarchyDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueMeasurementsFairValueHierarchyDomain" xml:lang="en-US" id="label_FairValueMeasurementsFairValueHierarchyDomain">Fair Value Measurements Fair Value Hierarchy [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueMeasurementsFairValueHierarchyDomain" xlink:to="label_FairValueMeasurementsFairValueHierarchyDomain" xlink:title="label: FairValueMeasurementsFairValueHierarchyDomain to label_FairValueMeasurementsFairValueHierarchyDomain" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="FairValueInputsLevel1Member" xlink:title="FairValueInputsLevel1Member" />
    <link:label xlink:type="resource" xlink:label="label_FairValueInputsLevel1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueInputsLevel1Member" xml:lang="en-US" id="label_FairValueInputsLevel1Member">Level 1</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueInputsLevel1Member" xlink:to="label_FairValueInputsLevel1Member" xlink:title="label: FairValueInputsLevel1Member to label_FairValueInputsLevel1Member" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="FairValueInputsLevel2Member" xlink:title="FairValueInputsLevel2Member" />
    <link:label xlink:type="resource" xlink:label="label_FairValueInputsLevel2Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueInputsLevel2Member" xml:lang="en-US" id="label_FairValueInputsLevel2Member">Level 2</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueInputsLevel2Member" xlink:to="label_FairValueInputsLevel2Member" xlink:title="label: FairValueInputsLevel2Member to label_FairValueInputsLevel2Member" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="FairValueInputsLevel3Member" xlink:title="FairValueInputsLevel3Member" />
    <link:label xlink:type="resource" xlink:label="label_FairValueInputsLevel3Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueInputsLevel3Member" xml:lang="en-US" id="label_FairValueInputsLevel3Member">Level 3</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueInputsLevel3Member" xlink:to="label_FairValueInputsLevel3Member" xlink:title="label: FairValueInputsLevel3Member to label_FairValueInputsLevel3Member" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NettingAndCollateralMember" xlink:label="NettingAndCollateralMember" xlink:title="NettingAndCollateralMember" />
    <link:label xlink:type="resource" xlink:label="label_NettingAndCollateralMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NettingAndCollateralMember" xml:lang="en-US" id="label_NettingAndCollateralMember">Netting and Collateral</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NettingAndCollateralMember" xlink:to="label_NettingAndCollateralMember" xlink:title="label: NettingAndCollateralMember to label_NettingAndCollateralMember" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis" xlink:label="FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis" xlink:title="FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis" />
    <link:label xlink:type="resource" xlink:label="label_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis" xml:lang="en-US" id="label_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis">Fair Value by Balance Sheet Grouping Disclosure Item Amounts [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis" xlink:to="label_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis" xlink:title="label: FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis to label_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain" xlink:label="FairValueDisclosureItemAmountsDomain" xlink:title="FairValueDisclosureItemAmountsDomain" />
    <link:label xlink:type="resource" xlink:label="label_FairValueDisclosureItemAmountsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueDisclosureItemAmountsDomain" xml:lang="en-US" id="label_FairValueDisclosureItemAmountsDomain">Fair Value Disclosure Item Amounts [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueDisclosureItemAmountsDomain" xlink:to="label_FairValueDisclosureItemAmountsDomain" xlink:title="label: FairValueDisclosureItemAmountsDomain to label_FairValueDisclosureItemAmountsDomain" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashEquivalentsMember" xlink:label="CashEquivalentsMember" xlink:title="CashEquivalentsMember" />
    <link:label xlink:type="resource" xlink:label="label_CashEquivalentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CashEquivalentsMember" xml:lang="en-US" id="label_CashEquivalentsMember">Cash equivalents</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashEquivalentsMember" xlink:to="label_CashEquivalentsMember" xlink:title="label: CashEquivalentsMember to label_CashEquivalentsMember" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommodityContractMember" xlink:label="CommodityContractMember" xlink:title="CommodityContractMember" />
    <link:label xlink:type="resource" xlink:label="label_CommodityContractMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CommodityContractMember" xml:lang="en-US" id="label_CommodityContractMember">Commodity contracts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommodityContractMember" xlink:to="label_CommodityContractMember" xlink:title="label: CommodityContractMember to label_CommodityContractMember" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="ForeignExchangeContractMember" xlink:title="ForeignExchangeContractMember" />
    <link:label xlink:type="resource" xlink:label="label_ForeignExchangeContractMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ForeignExchangeContractMember" xml:lang="en-US" id="label_ForeignExchangeContractMember">Foreign exchange contracts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignExchangeContractMember" xlink:to="label_ForeignExchangeContractMember" xlink:title="label: ForeignExchangeContractMember to label_ForeignExchangeContractMember" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_HedgedItemsInventoriesMember" xlink:label="HedgedItemsInventoriesMember" xlink:title="HedgedItemsInventoriesMember" />
    <link:label xlink:type="resource" xlink:label="label_HedgedItemsInventoriesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_HedgedItemsInventoriesMember" xml:lang="en-US" id="label_HedgedItemsInventoriesMember">Hedged item inventories</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="HedgedItemsInventoriesMember" xlink:to="label_HedgedItemsInventoriesMember" xlink:title="label: HedgedItemsInventoriesMember to label_HedgedItemsInventoriesMember" />
    <link:label xlink:type="resource" xlink:label="label_HedgedItemsInventoriesMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_HedgedItemsInventoriesMember" xml:lang="en-US" id="label_HedgedItemsInventoriesMember_2">Represents inventory hedged as of the report date.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="HedgedItemsInventoriesMember" xlink:to="label_HedgedItemsInventoriesMember_2" xlink:title="label: HedgedItemsInventoriesMember to label_HedgedItemsInventoriesMember" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_ContingentConsiderationEarnOutMember" xlink:label="ContingentConsiderationEarnOutMember" xlink:title="ContingentConsiderationEarnOutMember" />
    <link:label xlink:type="resource" xlink:label="label_ContingentConsiderationEarnOutMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ContingentConsiderationEarnOutMember" xml:lang="en-US" id="label_ContingentConsiderationEarnOutMember">Earn-out</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContingentConsiderationEarnOutMember" xlink:to="label_ContingentConsiderationEarnOutMember" xlink:title="label: ContingentConsiderationEarnOutMember to label_ContingentConsiderationEarnOutMember" />
    <link:label xlink:type="resource" xlink:label="label_ContingentConsiderationEarnOutMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ContingentConsiderationEarnOutMember" xml:lang="en-US" id="label_ContingentConsiderationEarnOutMember_2">The amount of potential payments under the contingent consideration arrangement included in a business acquisition.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContingentConsiderationEarnOutMember" xlink:to="label_ContingentConsiderationEarnOutMember_2" xlink:title="label: ContingentConsiderationEarnOutMember to label_ContingentConsiderationEarnOutMember" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:title="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" />
    <link:label xlink:type="resource" xlink:label="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xml:lang="en-US" id="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_2">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_2" xlink:title="label: FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems to label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" />
    <link:label xlink:type="resource" xlink:label="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xml:lang="en-US" id="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems">Assets and liabilities measured at fair value on a recurring basis</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:title="label: FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems to label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsFairValueDisclosureAbstract" xlink:label="AssetsFairValueDisclosureAbstract" xlink:title="AssetsFairValueDisclosureAbstract" />
    <link:label xlink:type="resource" xlink:label="label_AssetsFairValueDisclosureAbstract_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AssetsFairValueDisclosureAbstract" xml:lang="en-US" id="label_AssetsFairValueDisclosureAbstract_2">Assets, Fair Value Disclosure [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsFairValueDisclosureAbstract" xlink:to="label_AssetsFairValueDisclosureAbstract_2" xlink:title="label: AssetsFairValueDisclosureAbstract to label_AssetsFairValueDisclosureAbstract" />
    <link:label xlink:type="resource" xlink:label="label_AssetsFairValueDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AssetsFairValueDisclosureAbstract" xml:lang="en-US" id="label_AssetsFairValueDisclosureAbstract">Assets:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsFairValueDisclosureAbstract" xlink:to="label_AssetsFairValueDisclosureAbstract" xlink:title="label: AssetsFairValueDisclosureAbstract to label_AssetsFairValueDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="AssetsFairValueDisclosure" xlink:title="AssetsFairValueDisclosure" />
    <link:label xlink:type="resource" xlink:label="label_AssetsFairValueDisclosure_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AssetsFairValueDisclosure" xml:lang="en-US" id="label_AssetsFairValueDisclosure_2">Assets, Fair Value Disclosure</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsFairValueDisclosure" xlink:to="label_AssetsFairValueDisclosure_2" xlink:title="label: AssetsFairValueDisclosure to label_AssetsFairValueDisclosure" />
    <link:label xlink:type="resource" xlink:label="label_AssetsFairValueDisclosure" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AssetsFairValueDisclosure" xml:lang="en-US" id="label_AssetsFairValueDisclosure">Total assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsFairValueDisclosure" xlink:to="label_AssetsFairValueDisclosure" xlink:title="label: AssetsFairValueDisclosure to label_AssetsFairValueDisclosure" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosureAbstract" xlink:label="LiabilitiesFairValueDisclosureAbstract" xlink:title="LiabilitiesFairValueDisclosureAbstract" />
    <link:label xlink:type="resource" xlink:label="label_LiabilitiesFairValueDisclosureAbstract_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LiabilitiesFairValueDisclosureAbstract" xml:lang="en-US" id="label_LiabilitiesFairValueDisclosureAbstract_2">Liabilities, Fair Value Disclosure [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesFairValueDisclosureAbstract" xlink:to="label_LiabilitiesFairValueDisclosureAbstract_2" xlink:title="label: LiabilitiesFairValueDisclosureAbstract to label_LiabilitiesFairValueDisclosureAbstract" />
    <link:label xlink:type="resource" xlink:label="label_LiabilitiesFairValueDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LiabilitiesFairValueDisclosureAbstract" xml:lang="en-US" id="label_LiabilitiesFairValueDisclosureAbstract">Liabilities:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesFairValueDisclosureAbstract" xlink:to="label_LiabilitiesFairValueDisclosureAbstract" xlink:title="label: LiabilitiesFairValueDisclosureAbstract to label_LiabilitiesFairValueDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure" xlink:label="LiabilitiesFairValueDisclosure" xlink:title="LiabilitiesFairValueDisclosure" />
    <link:label xlink:type="resource" xlink:label="label_LiabilitiesFairValueDisclosure_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LiabilitiesFairValueDisclosure" xml:lang="en-US" id="label_LiabilitiesFairValueDisclosure_2">Liabilities, Fair Value Disclosure</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesFairValueDisclosure" xlink:to="label_LiabilitiesFairValueDisclosure_2" xlink:title="label: LiabilitiesFairValueDisclosure to label_LiabilitiesFairValueDisclosure" />
    <link:label xlink:type="resource" xlink:label="label_LiabilitiesFairValueDisclosure" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LiabilitiesFairValueDisclosure" xml:lang="en-US" id="label_LiabilitiesFairValueDisclosure">Total liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesFairValueDisclosure" xlink:to="label_LiabilitiesFairValueDisclosure" xlink:title="label: LiabilitiesFairValueDisclosure to label_LiabilitiesFairValueDisclosure" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:label="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:title="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" />
    <link:label xlink:type="resource" xlink:label="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xml:lang="en-US" id="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable">Fair Value, Assets and Liabilities, Measured on Recurring Basis, Unobservable Input Reconciliation [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:to="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:title="label: FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable to label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" />
    <link:label xlink:type="resource" xlink:label="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xml:lang="en-US" id="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_2">Summarization of the information required and determined to be provided for the purpose of reconciling beginning and ending balances of fair value measurements of assets and liabilities, using significant unobservable inputs (level 3).</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:to="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_2" xlink:title="label: FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable to label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_FairValueByAssetAndLiabilitiesClassAxis" xlink:label="FairValueByAssetAndLiabilitiesClassAxis" xlink:title="FairValueByAssetAndLiabilitiesClassAxis" />
    <link:label xlink:type="resource" xlink:label="label_FairValueByAssetAndLiabilitiesClassAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueByAssetAndLiabilitiesClassAxis" xml:lang="en-US" id="label_FairValueByAssetAndLiabilitiesClassAxis">Fair Value by Asset and Liabilities Class [Axis]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationTextBlock" xlink:label="BusinessAcquisitionProFormaInformationTextBlock" xlink:title="BusinessAcquisitionProFormaInformationTextBlock" />
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    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionProFormaInformationTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_BusinessAcquisitionProFormaInformationTextBlock" xml:lang="en-US" id="label_BusinessAcquisitionProFormaInformationTextBlock">Schedule of unaudited pro forma results of acquisitions</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:title="ScheduleOfBusinessAcquisitionsByAcquisitionTable" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="BusinessAcquisitionAxis" xlink:title="BusinessAcquisitionAxis" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BusinessAcquisitionAxis" xml:lang="en-US" id="label_BusinessAcquisitionAxis">Business Acquisition [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionAxis" xlink:to="label_BusinessAcquisitionAxis" xlink:title="label: BusinessAcquisitionAxis to label_BusinessAcquisitionAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="BusinessAcquisitionAcquireeDomain" xlink:title="BusinessAcquisitionAcquireeDomain" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionAcquireeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BusinessAcquisitionAcquireeDomain" xml:lang="en-US" id="label_BusinessAcquisitionAcquireeDomain">Business Acquisition Acquiree [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionAcquireeDomain" xlink:to="label_BusinessAcquisitionAcquireeDomain" xlink:title="label: BusinessAcquisitionAcquireeDomain to label_BusinessAcquisitionAcquireeDomain" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_AscentAviationGroupAndOtherImmaterialAcquisitionMember" xlink:label="AscentAviationGroupAndOtherImmaterialAcquisitionMember" xlink:title="AscentAviationGroupAndOtherImmaterialAcquisitionMember" />
    <link:label xlink:type="resource" xlink:label="label_AscentAviationGroupAndOtherImmaterialAcquisitionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AscentAviationGroupAndOtherImmaterialAcquisitionMember" xml:lang="en-US" id="label_AscentAviationGroupAndOtherImmaterialAcquisitionMember">Ascent Aviation Group, Inc. ("Ascent") and other immaterial acquisition</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AscentAviationGroupAndOtherImmaterialAcquisitionMember" xlink:to="label_AscentAviationGroupAndOtherImmaterialAcquisitionMember" xlink:title="label: AscentAviationGroupAndOtherImmaterialAcquisitionMember to label_AscentAviationGroupAndOtherImmaterialAcquisitionMember" />
    <link:label xlink:type="resource" xlink:label="label_AscentAviationGroupAndOtherImmaterialAcquisitionMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_AscentAviationGroupAndOtherImmaterialAcquisitionMember" xml:lang="en-US" id="label_AscentAviationGroupAndOtherImmaterialAcquisitionMember_2">Represents the descriptions related to the Ascent Aviation Group, Inc. and other immaterial businesses which was acquired by the entity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AscentAviationGroupAndOtherImmaterialAcquisitionMember" xlink:to="label_AscentAviationGroupAndOtherImmaterialAcquisitionMember_2" xlink:title="label: AscentAviationGroupAndOtherImmaterialAcquisitionMember to label_AscentAviationGroupAndOtherImmaterialAcquisitionMember" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_NordicCampSupplyApSMember" xlink:label="NordicCampSupplyApSMember" xlink:title="NordicCampSupplyApSMember" />
    <link:label xlink:type="resource" xlink:label="label_NordicCampSupplyApSMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NordicCampSupplyApSMember" xml:lang="en-US" id="label_NordicCampSupplyApSMember">Nordic Camp Supply ApS ("NCS")</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NordicCampSupplyApSMember" xlink:to="label_NordicCampSupplyApSMember" xlink:title="label: NordicCampSupplyApSMember to label_NordicCampSupplyApSMember" />
    <link:label xlink:type="resource" xlink:label="label_NordicCampSupplyApSMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_NordicCampSupplyApSMember" xml:lang="en-US" id="label_NordicCampSupplyApSMember_2">Represents the descriptions related to the Nordic Camp Supply ApS which acquired by the entity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NordicCampSupplyApSMember" xlink:to="label_NordicCampSupplyApSMember_2" xlink:title="label: NordicCampSupplyApSMember to label_NordicCampSupplyApSMember" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" xlink:label="HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" xlink:title="HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" />
    <link:label xlink:type="resource" xlink:label="label_HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" xml:lang="en-US" id="label_HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember">Henty Oil Limited, Tank and Marine Engineering Limited and Henty Shipping Services Limited (collectively, "Henty")</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" xlink:to="label_HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" xlink:title="label: HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember to label_HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" />
    <link:label xlink:type="resource" xlink:label="label_HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" xml:lang="en-US" id="label_HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember_2">Represents the descriptions related to the Henty Oil Limited, Tank and Marine Engineering Limited and Henty Shipping Services Limited which acquired by the entity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" xlink:to="label_HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember_2" xlink:title="label: HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember to label_HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="BusinessAcquisitionLineItems" xlink:title="BusinessAcquisitionLineItems" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionLineItems_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BusinessAcquisitionLineItems" xml:lang="en-US" id="label_BusinessAcquisitionLineItems_2">Business Acquisition [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionLineItems" xlink:to="label_BusinessAcquisitionLineItems_2" xlink:title="label: BusinessAcquisitionLineItems to label_BusinessAcquisitionLineItems" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_BusinessAcquisitionLineItems" xml:lang="en-US" id="label_BusinessAcquisitionLineItems">Acquisitions</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionLineItems" xlink:to="label_BusinessAcquisitionLineItems" xlink:title="label: BusinessAcquisitionLineItems to label_BusinessAcquisitionLineItems" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied" xlink:label="BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied" xlink:title="BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied" xml:lang="en-US" id="label_BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied">Business Acquisition, Minimum Number of Airports and Fixed Base Operators to Whom Branded Aviation Fuel and Deicing Fluid Supplied</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied" xlink:to="label_BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied" xlink:title="label: BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied to label_BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied" xml:lang="en-US" id="label_BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied_2">Represents the minimum number of airports and fixed base operators throughout North America that the acquired entity supplies branded aviation fuel and deicing fluid.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied" xlink:to="label_BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied_2" xlink:title="label: BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied to label_BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied_3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied" xml:lang="en-US" id="label_BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied_3">Minimum number of airports and fixed base operators acquired company supplies branded aviation fuel and deicing fluid to</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied" xlink:to="label_BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied_3" xlink:title="label: BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied to label_BusinessAcquisitionMinimumNumberOfAirportsAndFixedBaseOperatorsToWhomBrandedAviationFuelAndDeicingFluidSupplied" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xlink:label="BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xlink:title="BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xml:lang="en-US" id="label_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice_2">Business Acquisition, Cost of Acquired Entity, Purchase Price</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xlink:to="label_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice_2" xlink:title="label: BusinessAcquisitionCostOfAcquiredEntityPurchasePrice to label_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xml:lang="en-US" id="label_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice">Estimated purchase price</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xlink:to="label_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xlink:title="label: BusinessAcquisitionCostOfAcquiredEntityPurchasePrice to label_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:label="BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:title="BusinessAcquisitionCostOfAcquiredEntityCashPaid" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionCostOfAcquiredEntityCashPaid_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xml:lang="en-US" id="label_BusinessAcquisitionCostOfAcquiredEntityCashPaid_2">Business Acquisition, Cost of Acquired Entity, Cash Paid</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:to="label_BusinessAcquisitionCostOfAcquiredEntityCashPaid_2" xlink:title="label: BusinessAcquisitionCostOfAcquiredEntityCashPaid to label_BusinessAcquisitionCostOfAcquiredEntityCashPaid" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xml:lang="en-US" id="label_BusinessAcquisitionCostOfAcquiredEntityCashPaid">Estimated purchase price - cash</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:to="label_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:title="label: BusinessAcquisitionCostOfAcquiredEntityCashPaid to label_BusinessAcquisitionCostOfAcquiredEntityCashPaid" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents" xlink:label="BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents" xlink:title="BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents" xml:lang="en-US" id="label_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents_2">Business Acquisition, Purchase Price Allocation, Current Assets, Cash and Cash Equivalents</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents" xlink:to="label_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents_2" xlink:title="label: BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents to label_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents" xml:lang="en-US" id="label_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents">Cash</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents" xlink:to="label_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents" xlink:title="label: BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents to label_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" xlink:label="BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" xlink:title="BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" xml:lang="en-US" id="label_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables_2">Business Acquisition, Purchase Price Allocation, Current Assets, Receivables</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" xlink:to="label_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables_2" xlink:title="label: BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables to label_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" xml:lang="en-US" id="label_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables">Accounts receivable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" xlink:to="label_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" xlink:title="label: BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables to label_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsInventory" xlink:label="BusinessAcquisitionPurchasePriceAllocationCurrentAssetsInventory" xlink:title="BusinessAcquisitionPurchasePriceAllocationCurrentAssetsInventory" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsInventory_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsInventory" xml:lang="en-US" id="label_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsInventory_2">Business Acquisition, Purchase Price Allocation, Current Assets, Inventory</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BasicEarningsPerShareProForma" xlink:label="BasicEarningsPerShareProForma" xlink:title="BasicEarningsPerShareProForma" />
    <link:label xlink:type="resource" xlink:label="label_BasicEarningsPerShareProForma_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BasicEarningsPerShareProForma" xml:lang="en-US" id="label_BasicEarningsPerShareProForma_2">Basic Earnings Per Share, Pro Forma</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BasicEarningsPerShareProForma" xlink:to="label_BasicEarningsPerShareProForma_2" xlink:title="label: BasicEarningsPerShareProForma to label_BasicEarningsPerShareProForma" />
    <link:label xlink:type="resource" xlink:label="label_BasicEarningsPerShareProForma" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_BasicEarningsPerShareProForma" xml:lang="en-US" id="label_BasicEarningsPerShareProForma">Basic (in dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BasicEarningsPerShareProForma" xlink:to="label_BasicEarningsPerShareProForma" xlink:title="label: BasicEarningsPerShareProForma to label_BasicEarningsPerShareProForma" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DilutedEarningsPerShareProForma" xlink:label="DilutedEarningsPerShareProForma" xlink:title="DilutedEarningsPerShareProForma" />
    <link:label xlink:type="resource" xlink:label="label_DilutedEarningsPerShareProForma_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DilutedEarningsPerShareProForma" xml:lang="en-US" id="label_DilutedEarningsPerShareProForma_2">Diluted Earnings Per Share Pro Forma</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DilutedEarningsPerShareProForma" xlink:to="label_DilutedEarningsPerShareProForma_2" xlink:title="label: DilutedEarningsPerShareProForma to label_DilutedEarningsPerShareProForma" />
    <link:label xlink:type="resource" xlink:label="label_DilutedEarningsPerShareProForma" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DilutedEarningsPerShareProForma" xml:lang="en-US" id="label_DilutedEarningsPerShareProForma">Diluted (in dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DilutedEarningsPerShareProForma" xlink:to="label_DilutedEarningsPerShareProForma" xlink:title="label: DilutedEarningsPerShareProForma to label_DilutedEarningsPerShareProForma" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod" xlink:label="BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod" xlink:title="BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod" xml:lang="en-US" id="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod">Business Acquisition, Contingent Consideration, Potential Cash Payment on Achieving Operating Targets Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod" xlink:to="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod" xlink:title="label: BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod to label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod" xml:lang="en-US" id="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod_2">Represents the period of meeting certain operating targets for earn-out payment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod" xlink:to="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod_2" xlink:title="label: BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod to label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod_3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod" xml:lang="en-US" id="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod_3">Period for acquiree to meet certain operating targets for earn-out payment (in years)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod" xlink:to="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod_3" xlink:title="label: BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod to label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment" xlink:label="BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment" xlink:title="BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment" xml:lang="en-US" id="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment">Business Acquisition Contingent Consideration Potential Cash Payment Maximum Prior to Purchase Agreement Amendment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment" xlink:to="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment" xlink:title="label: BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment to label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment" xml:lang="en-US" id="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment_2">Represents the maximum amount of potential cash payments that could result from the contingent consideration arrangement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment" xlink:to="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment_2" xlink:title="label: BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment to label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment_3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment" xml:lang="en-US" id="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment_3">Maximum Earn-out payment prior to purchase agreement amendment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment" xlink:to="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment_3" xlink:title="label: BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment to label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumPriorToPurchaseAgreementAmendment" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum" xlink:label="BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum" xlink:title="BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum" xml:lang="en-US" id="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum">Business Acquisition, Contingent Consideration, Potential Cash Payment Minimum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum" xlink:to="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum" xlink:title="label: BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum to label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum" xml:lang="en-US" id="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum_2">Represents the minimum amount of potential cash payments that could result from the contingent consideration arrangement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum" xlink:to="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum_2" xlink:title="label: BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum to label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum_3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum" xml:lang="en-US" id="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum_3">Minimum Earn-out payment established in consideration for the reduction in the maximum Earn-out</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum" xlink:to="label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum_3" xlink:title="label: BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum to label_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMinimum" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_AccountsReceivablePurchaseAgreementAbstract" xlink:label="AccountsReceivablePurchaseAgreementAbstract" xlink:title="AccountsReceivablePurchaseAgreementAbstract" />
    <link:label xlink:type="resource" xlink:label="label_AccountsReceivablePurchaseAgreementAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AccountsReceivablePurchaseAgreementAbstract" xml:lang="en-US" id="label_AccountsReceivablePurchaseAgreementAbstract">Accounts Receivable, Purchase Agreement [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsReceivablePurchaseAgreementAbstract" xlink:to="label_AccountsReceivablePurchaseAgreementAbstract" xlink:title="label: AccountsReceivablePurchaseAgreementAbstract to label_AccountsReceivablePurchaseAgreementAbstract" />
    <link:label xlink:type="resource" xlink:label="label_AccountsReceivablePurchaseAgreementAbstract_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AccountsReceivablePurchaseAgreementAbstract" xml:lang="en-US" id="label_AccountsReceivablePurchaseAgreementAbstract_2">Accounts Receivable Purchase Agreement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsReceivablePurchaseAgreementAbstract" xlink:to="label_AccountsReceivablePurchaseAgreementAbstract_2" xlink:title="label: AccountsReceivablePurchaseAgreementAbstract to label_AccountsReceivablePurchaseAgreementAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ReceivablesHeldForSaleAmount" xlink:label="ReceivablesHeldForSaleAmount" xlink:title="ReceivablesHeldForSaleAmount" />
    <link:label xlink:type="resource" xlink:label="label_ReceivablesHeldForSaleAmount_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ReceivablesHeldForSaleAmount" xml:lang="en-US" id="label_ReceivablesHeldForSaleAmount_2">Receivables Held-for-sale, Amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReceivablesHeldForSaleAmount" xlink:to="label_ReceivablesHeldForSaleAmount_2" xlink:title="label: ReceivablesHeldForSaleAmount to label_ReceivablesHeldForSaleAmount" />
    <link:label xlink:type="resource" xlink:label="label_ReceivablesHeldForSaleAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ReceivablesHeldForSaleAmount" xml:lang="en-US" id="label_ReceivablesHeldForSaleAmount">Maximum amount of accounts receivable to be sold under a Receivables Purchase Agreement ("RPA")</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReceivablesHeldForSaleAmount" xlink:to="label_ReceivablesHeldForSaleAmount" xlink:title="label: ReceivablesHeldForSaleAmount to label_ReceivablesHeldForSaleAmount" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_PercentageOfRetainedBeneficialInterestInAccountsReceivableSold" xlink:label="PercentageOfRetainedBeneficialInterestInAccountsReceivableSold" xlink:title="PercentageOfRetainedBeneficialInterestInAccountsReceivableSold" />
    <link:label xlink:type="resource" xlink:label="label_PercentageOfRetainedBeneficialInterestInAccountsReceivableSold" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PercentageOfRetainedBeneficialInterestInAccountsReceivableSold" xml:lang="en-US" id="label_PercentageOfRetainedBeneficialInterestInAccountsReceivableSold">Percentage of Retained Beneficial Interest in Accounts Receivable Sold</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfRetainedBeneficialInterestInAccountsReceivableSold" xlink:to="label_PercentageOfRetainedBeneficialInterestInAccountsReceivableSold" xlink:title="label: PercentageOfRetainedBeneficialInterestInAccountsReceivableSold to label_PercentageOfRetainedBeneficialInterestInAccountsReceivableSold" />
    <link:label xlink:type="resource" xlink:label="label_PercentageOfRetainedBeneficialInterestInAccountsReceivableSold_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_PercentageOfRetainedBeneficialInterestInAccountsReceivableSold" xml:lang="en-US" id="label_PercentageOfRetainedBeneficialInterestInAccountsReceivableSold_2">Represents the percentage of retained beneficial interest in the accounts receivable sold.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfRetainedBeneficialInterestInAccountsReceivableSold" xlink:to="label_PercentageOfRetainedBeneficialInterestInAccountsReceivableSold_2" xlink:title="label: PercentageOfRetainedBeneficialInterestInAccountsReceivableSold to label_PercentageOfRetainedBeneficialInterestInAccountsReceivableSold" />
    <link:label xlink:type="resource" xlink:label="label_PercentageOfRetainedBeneficialInterestInAccountsReceivableSold_3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PercentageOfRetainedBeneficialInterestInAccountsReceivableSold" xml:lang="en-US" id="label_PercentageOfRetainedBeneficialInterestInAccountsReceivableSold_3">Percentage of retained beneficial interest in accounts receivable sold (as a percent)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfRetainedBeneficialInterestInAccountsReceivableSold" xlink:to="label_PercentageOfRetainedBeneficialInterestInAccountsReceivableSold_3" xlink:title="label: PercentageOfRetainedBeneficialInterestInAccountsReceivableSold to label_PercentageOfRetainedBeneficialInterestInAccountsReceivableSold" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_AccountsReceivableSoldAmount" xlink:label="AccountsReceivableSoldAmount" xlink:title="AccountsReceivableSoldAmount" />
    <link:label xlink:type="resource" xlink:label="label_AccountsReceivableSoldAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AccountsReceivableSoldAmount" xml:lang="en-US" id="label_AccountsReceivableSoldAmount">Accounts Receivable Sold Amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsReceivableSoldAmount" xlink:to="label_AccountsReceivableSoldAmount" xlink:title="label: AccountsReceivableSoldAmount to label_AccountsReceivableSoldAmount" />
    <link:label xlink:type="resource" xlink:label="label_AccountsReceivableSoldAmount_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_AccountsReceivableSoldAmount" xml:lang="en-US" id="label_AccountsReceivableSoldAmount_2">Represents the amount of accounts receivable sold at the end of the period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsReceivableSoldAmount" xlink:to="label_AccountsReceivableSoldAmount_2" xlink:title="label: AccountsReceivableSoldAmount to label_AccountsReceivableSoldAmount" />
    <link:label xlink:type="resource" xlink:label="label_AccountsReceivableSoldAmount_3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AccountsReceivableSoldAmount" xml:lang="en-US" id="label_AccountsReceivableSoldAmount_3">Accounts receivable sold</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsReceivableSoldAmount" xlink:to="label_AccountsReceivableSoldAmount_3" xlink:title="label: AccountsReceivableSoldAmount to label_AccountsReceivableSoldAmount" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleAndCollectionOfReceivables" xlink:label="ProceedsFromSaleAndCollectionOfReceivables" xlink:title="ProceedsFromSaleAndCollectionOfReceivables" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromSaleAndCollectionOfReceivables_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ProceedsFromSaleAndCollectionOfReceivables" xml:lang="en-US" id="label_ProceedsFromSaleAndCollectionOfReceivables_2">Proceeds from Sale and Collection of Receivables</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromSaleAndCollectionOfReceivables" xlink:to="label_ProceedsFromSaleAndCollectionOfReceivables_2" xlink:title="label: ProceedsFromSaleAndCollectionOfReceivables to label_ProceedsFromSaleAndCollectionOfReceivables" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromSaleAndCollectionOfReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ProceedsFromSaleAndCollectionOfReceivables" xml:lang="en-US" id="label_ProceedsFromSaleAndCollectionOfReceivables">Proceeds from sale of accounts receivable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromSaleAndCollectionOfReceivables" xlink:to="label_ProceedsFromSaleAndCollectionOfReceivables" xlink:title="label: ProceedsFromSaleAndCollectionOfReceivables to label_ProceedsFromSaleAndCollectionOfReceivables" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_RetainedBeneficialInterestAmount" xlink:label="RetainedBeneficialInterestAmount" xlink:title="RetainedBeneficialInterestAmount" />
    <link:label xlink:type="resource" xlink:label="label_RetainedBeneficialInterestAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_RetainedBeneficialInterestAmount" xml:lang="en-US" id="label_RetainedBeneficialInterestAmount">Retained Beneficial Interest Amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RetainedBeneficialInterestAmount" xlink:to="label_RetainedBeneficialInterestAmount" xlink:title="label: RetainedBeneficialInterestAmount to label_RetainedBeneficialInterestAmount" />
    <link:label xlink:type="resource" xlink:label="label_RetainedBeneficialInterestAmount_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_RetainedBeneficialInterestAmount" xml:lang="en-US" id="label_RetainedBeneficialInterestAmount_2">Represents the amount of retained beneficial interest recorded during the period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RetainedBeneficialInterestAmount" xlink:to="label_RetainedBeneficialInterestAmount_2" xlink:title="label: RetainedBeneficialInterestAmount to label_RetainedBeneficialInterestAmount" />
    <link:label xlink:type="resource" xlink:label="label_RetainedBeneficialInterestAmount_3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_RetainedBeneficialInterestAmount" xml:lang="en-US" id="label_RetainedBeneficialInterestAmount_3">Retained beneficial interest recorded</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RetainedBeneficialInterestAmount" xlink:to="label_RetainedBeneficialInterestAmount_3" xlink:title="label: RetainedBeneficialInterestAmount to label_RetainedBeneficialInterestAmount" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_GoodwillAbstract" xlink:label="GoodwillAbstract" xlink:title="GoodwillAbstract" />
    <link:label xlink:type="resource" xlink:label="label_GoodwillAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_GoodwillAbstract" xml:lang="en-US" id="label_GoodwillAbstract">Goodwill [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GoodwillAbstract" xlink:to="label_GoodwillAbstract" xlink:title="label: GoodwillAbstract to label_GoodwillAbstract" />
    <link:label xlink:type="resource" xlink:label="label_GoodwillAbstract_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_GoodwillAbstract" xml:lang="en-US" id="label_GoodwillAbstract_2">Goodwill</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GoodwillAbstract" xlink:to="label_GoodwillAbstract_2" xlink:title="label: GoodwillAbstract to label_GoodwillAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GoodwillTranslationAdjustments" xlink:label="GoodwillTranslationAdjustments" xlink:title="GoodwillTranslationAdjustments" />
    <link:label xlink:type="resource" xlink:label="label_GoodwillTranslationAdjustments_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_GoodwillTranslationAdjustments" xml:lang="en-US" id="label_GoodwillTranslationAdjustments_2">Goodwill, Translation Adjustments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GoodwillTranslationAdjustments" xlink:to="label_GoodwillTranslationAdjustments_2" xlink:title="label: GoodwillTranslationAdjustments to label_GoodwillTranslationAdjustments" />
    <link:label xlink:type="resource" xlink:label="label_GoodwillTranslationAdjustments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_GoodwillTranslationAdjustments" xml:lang="en-US" id="label_GoodwillTranslationAdjustments">Change in goodwill due to foreign currency translation adjustments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GoodwillTranslationAdjustments" xlink:to="label_GoodwillTranslationAdjustments" xlink:title="label: GoodwillTranslationAdjustments to label_GoodwillTranslationAdjustments" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_ExtinguishmentOfLiabilityAbstract" xlink:label="ExtinguishmentOfLiabilityAbstract" xlink:title="ExtinguishmentOfLiabilityAbstract" />
    <link:label xlink:type="resource" xlink:label="label_ExtinguishmentOfLiabilityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ExtinguishmentOfLiabilityAbstract" xml:lang="en-US" id="label_ExtinguishmentOfLiabilityAbstract">Extinguishment of Liability [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ExtinguishmentOfLiabilityAbstract" xlink:to="label_ExtinguishmentOfLiabilityAbstract" xlink:title="label: ExtinguishmentOfLiabilityAbstract to label_ExtinguishmentOfLiabilityAbstract" />
    <link:label xlink:type="resource" xlink:label="label_ExtinguishmentOfLiabilityAbstract_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ExtinguishmentOfLiabilityAbstract" xml:lang="en-US" id="label_ExtinguishmentOfLiabilityAbstract_2">Extinguishment of Liability</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ExtinguishmentOfLiabilityAbstract" xlink:to="label_ExtinguishmentOfLiabilityAbstract_2" xlink:title="label: ExtinguishmentOfLiabilityAbstract to label_ExtinguishmentOfLiabilityAbstract" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_DerecognizedVendorLiabilityAccrualsAmount" xlink:label="DerecognizedVendorLiabilityAccrualsAmount" xlink:title="DerecognizedVendorLiabilityAccrualsAmount" />
    <link:label xlink:type="resource" xlink:label="label_DerecognizedVendorLiabilityAccrualsAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerecognizedVendorLiabilityAccrualsAmount" xml:lang="en-US" id="label_DerecognizedVendorLiabilityAccrualsAmount">Derecognized Vendor Liability, Accruals Amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerecognizedVendorLiabilityAccrualsAmount" xlink:to="label_DerecognizedVendorLiabilityAccrualsAmount" xlink:title="label: DerecognizedVendorLiabilityAccrualsAmount to label_DerecognizedVendorLiabilityAccrualsAmount" />
    <link:label xlink:type="resource" xlink:label="label_DerecognizedVendorLiabilityAccrualsAmount_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_DerecognizedVendorLiabilityAccrualsAmount" xml:lang="en-US" id="label_DerecognizedVendorLiabilityAccrualsAmount_2">Represents the derecognized vendor liability accruals amount due to the legal release of the entity's obligations.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerecognizedVendorLiabilityAccrualsAmount" xlink:to="label_DerecognizedVendorLiabilityAccrualsAmount_2" xlink:title="label: DerecognizedVendorLiabilityAccrualsAmount to label_DerecognizedVendorLiabilityAccrualsAmount" />
    <link:label xlink:type="resource" xlink:label="label_DerecognizedVendorLiabilityAccrualsAmount_3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DerecognizedVendorLiabilityAccrualsAmount" xml:lang="en-US" id="label_DerecognizedVendorLiabilityAccrualsAmount_3">Derecognized vendor liability accruals amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerecognizedVendorLiabilityAccrualsAmount" xlink:to="label_DerecognizedVendorLiabilityAccrualsAmount_3" xlink:title="label: DerecognizedVendorLiabilityAccrualsAmount to label_DerecognizedVendorLiabilityAccrualsAmount" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_Acquisitions2010Member" xlink:label="Acquisitions2010Member" xlink:title="Acquisitions2010Member" />
    <link:label xlink:type="resource" xlink:label="label_Acquisitions2010Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_Acquisitions2010Member" xml:lang="en-US" id="label_Acquisitions2010Member">2010 Acquisitions</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Acquisitions2010Member" xlink:to="label_Acquisitions2010Member" xlink:title="label: Acquisitions2010Member to label_Acquisitions2010Member" />
    <link:label xlink:type="resource" xlink:label="label_Acquisitions2010Member_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_Acquisitions2010Member" xml:lang="en-US" id="label_Acquisitions2010Member_2">Represents the acquisition of Falmouth Oil Services Limited, Lakeside Oil Company, Inc., Western Petroleum Company, Shell Company of Gibraltar, Limited and The Hiller Group Incorporated and Air Petro Corp., by the entity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Acquisitions2010Member" xlink:to="label_Acquisitions2010Member_2" xlink:title="label: Acquisitions2010Member to label_Acquisitions2010Member" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_AccountsReceivablePurchaseAgreementPolicyTextBlock" xlink:label="AccountsReceivablePurchaseAgreementPolicyTextBlock" xlink:title="AccountsReceivablePurchaseAgreementPolicyTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_AccountsReceivablePurchaseAgreementPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AccountsReceivablePurchaseAgreementPolicyTextBlock" xml:lang="en-US" id="label_AccountsReceivablePurchaseAgreementPolicyTextBlock">Accounts Receivable Purchase Agreement [Policy Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsReceivablePurchaseAgreementPolicyTextBlock" xlink:to="label_AccountsReceivablePurchaseAgreementPolicyTextBlock" xlink:title="label: AccountsReceivablePurchaseAgreementPolicyTextBlock to label_AccountsReceivablePurchaseAgreementPolicyTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_AccountsReceivablePurchaseAgreementPolicyTextBlock_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AccountsReceivablePurchaseAgreementPolicyTextBlock" xml:lang="en-US" id="label_AccountsReceivablePurchaseAgreementPolicyTextBlock_2">Accounts Receivable Purchase Agreement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsReceivablePurchaseAgreementPolicyTextBlock" xlink:to="label_AccountsReceivablePurchaseAgreementPolicyTextBlock_2" xlink:title="label: AccountsReceivablePurchaseAgreementPolicyTextBlock to label_AccountsReceivablePurchaseAgreementPolicyTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_AccountsReceivablePurchaseAgreementPolicyTextBlock_3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_AccountsReceivablePurchaseAgreementPolicyTextBlock" xml:lang="en-US" id="label_AccountsReceivablePurchaseAgreementPolicyTextBlock_3">Disclosure of accounting policy related to an agreement to sell a portion of accounts receivable.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsReceivablePurchaseAgreementPolicyTextBlock" xlink:to="label_AccountsReceivablePurchaseAgreementPolicyTextBlock_3" xlink:title="label: AccountsReceivablePurchaseAgreementPolicyTextBlock to label_AccountsReceivablePurchaseAgreementPolicyTextBlock" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy" xlink:label="GoodwillAndIntangibleAssetsGoodwillPolicy" xlink:title="GoodwillAndIntangibleAssetsGoodwillPolicy" />
    <link:label xlink:type="resource" xlink:label="label_GoodwillAndIntangibleAssetsGoodwillPolicy_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_GoodwillAndIntangibleAssetsGoodwillPolicy" xml:lang="en-US" id="label_GoodwillAndIntangibleAssetsGoodwillPolicy_2">Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GoodwillAndIntangibleAssetsGoodwillPolicy" xlink:to="label_GoodwillAndIntangibleAssetsGoodwillPolicy_2" xlink:title="label: GoodwillAndIntangibleAssetsGoodwillPolicy to label_GoodwillAndIntangibleAssetsGoodwillPolicy" />
    <link:label xlink:type="resource" xlink:label="label_GoodwillAndIntangibleAssetsGoodwillPolicy" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_GoodwillAndIntangibleAssetsGoodwillPolicy" xml:lang="en-US" id="label_GoodwillAndIntangibleAssetsGoodwillPolicy">Goodwill</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GoodwillAndIntangibleAssetsGoodwillPolicy" xlink:to="label_GoodwillAndIntangibleAssetsGoodwillPolicy" xlink:title="label: GoodwillAndIntangibleAssetsGoodwillPolicy to label_GoodwillAndIntangibleAssetsGoodwillPolicy" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" xlink:label="BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" xlink:title="BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" xml:lang="en-US" id="label_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred_2">Business Acquisition, Cost of Acquired Entity, Liabilities Incurred</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" xlink:to="label_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred_2" xlink:title="label: BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred to label_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" xml:lang="en-US" id="label_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred">Estimated purchase price - promissory note</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" xlink:to="label_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" xlink:title="label: BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred to label_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred_3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" xml:lang="en-US" id="label_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred_3">Promissory notes issued for acquisition</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" xlink:to="label_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred_3" xlink:title="label: BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred to label_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability" xlink:label="BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability" xlink:title="BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability" xml:lang="en-US" id="label_BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability">Business Acquisition, Purchase Price Allocation Deferred Tax Liability</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability" xlink:to="label_BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability" xlink:title="label: BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability to label_BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability" xml:lang="en-US" id="label_BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability_2">The amount of acquisition cost of a business combination allocated to deferred tax liabilities assumed from the acquired entity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability" xlink:to="label_BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability_2" xlink:title="label: BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability to label_BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability_3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability" xml:lang="en-US" id="label_BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability_3">Long-term deferred tax liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability" xlink:to="label_BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability_3" xlink:title="label: BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability to label_BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease" xlink:label="BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease" xlink:title="BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease" xml:lang="en-US" id="label_BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease">Business Acquisition, Purchase Price Allocation Increase (Decrease)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease" xlink:to="label_BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease" xlink:title="label: BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease to label_BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease" xml:lang="en-US" id="label_BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease_2">Represents the valuation of the net assets acquired, related to certain acquisitions, which resulted in an increase (decrease) in the aggregate purchase price.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease" xlink:to="label_BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease_2" xlink:title="label: BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease to label_BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease_3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease" xml:lang="en-US" id="label_BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease_3">Increase (decrease) in the aggregate purchase price of acquisitions</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease" xlink:to="label_BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease_3" xlink:title="label: BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease to label_BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease" xlink:label="BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease" xlink:title="BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease" xml:lang="en-US" id="label_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease">Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets Increase (Decrease)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease" xlink:to="label_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease" xlink:title="label: BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease to label_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease" xml:lang="en-US" id="label_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease_2">Represents the amount of increase (decrease) in the purchase price allocated to amortizable intangible assets.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease" xlink:to="label_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease_2" xlink:title="label: BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease to label_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease_3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease" xml:lang="en-US" id="label_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease_3">Increase (decrease) in identifiable intangible assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease" xlink:to="label_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease_3" xlink:title="label: BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease to label_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsIncreaseDecrease" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_BusinessAcquisitionContingentConsiderationFairValueDisclosure" xlink:label="BusinessAcquisitionContingentConsiderationFairValueDisclosure" xlink:title="BusinessAcquisitionContingentConsiderationFairValueDisclosure" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionContingentConsiderationFairValueDisclosure" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BusinessAcquisitionContingentConsiderationFairValueDisclosure" xml:lang="en-US" id="label_BusinessAcquisitionContingentConsiderationFairValueDisclosure">Business Acquisition, Contingent Consideration Fair Value Disclosure</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionContingentConsiderationFairValueDisclosure" xlink:to="label_BusinessAcquisitionContingentConsiderationFairValueDisclosure" xlink:title="label: BusinessAcquisitionContingentConsiderationFairValueDisclosure to label_BusinessAcquisitionContingentConsiderationFairValueDisclosure" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionContingentConsiderationFairValueDisclosure_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_BusinessAcquisitionContingentConsiderationFairValueDisclosure" xml:lang="en-US" id="label_BusinessAcquisitionContingentConsiderationFairValueDisclosure_2">Fair value, as of the balance sheet date, of potential payments under the contingent consideration arrangement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionContingentConsiderationFairValueDisclosure" xlink:to="label_BusinessAcquisitionContingentConsiderationFairValueDisclosure_2" xlink:title="label: BusinessAcquisitionContingentConsiderationFairValueDisclosure to label_BusinessAcquisitionContingentConsiderationFairValueDisclosure" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionContingentConsiderationFairValueDisclosure_3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_BusinessAcquisitionContingentConsiderationFairValueDisclosure" xml:lang="en-US" id="label_BusinessAcquisitionContingentConsiderationFairValueDisclosure_3">Fair value of the earn-out liability</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionContingentConsiderationFairValueDisclosure" xlink:to="label_BusinessAcquisitionContingentConsiderationFairValueDisclosure_3" xlink:title="label: BusinessAcquisitionContingentConsiderationFairValueDisclosure to label_BusinessAcquisitionContingentConsiderationFairValueDisclosure" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="GoodwillAcquiredDuringPeriod" xlink:title="GoodwillAcquiredDuringPeriod" />
    <link:label xlink:type="resource" xlink:label="label_GoodwillAcquiredDuringPeriod_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_GoodwillAcquiredDuringPeriod" xml:lang="en-US" id="label_GoodwillAcquiredDuringPeriod_2">Goodwill, Acquired During Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GoodwillAcquiredDuringPeriod" xlink:to="label_GoodwillAcquiredDuringPeriod_2" xlink:title="label: GoodwillAcquiredDuringPeriod to label_GoodwillAcquiredDuringPeriod" />
    <link:label xlink:type="resource" xlink:label="label_GoodwillAcquiredDuringPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_GoodwillAcquiredDuringPeriod" xml:lang="en-US" id="label_GoodwillAcquiredDuringPeriod">Increase in goodwill due to acquisitions</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GoodwillAcquiredDuringPeriod" xlink:to="label_GoodwillAcquiredDuringPeriod" xlink:title="label: GoodwillAcquiredDuringPeriod to label_GoodwillAcquiredDuringPeriod" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:title="WeightedAverageNumberDilutedSharesOutstandingAdjustment" />
    <link:label xlink:type="resource" xlink:label="label_WeightedAverageNumberDilutedSharesOutstandingAdjustment_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xml:lang="en-US" id="label_WeightedAverageNumberDilutedSharesOutstandingAdjustment_2">Weighted Average Number Diluted Shares Outstanding Adjustment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:to="label_WeightedAverageNumberDilutedSharesOutstandingAdjustment_2" xlink:title="label: WeightedAverageNumberDilutedSharesOutstandingAdjustment to label_WeightedAverageNumberDilutedSharesOutstandingAdjustment" />
    <link:label xlink:type="resource" xlink:label="label_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xml:lang="en-US" id="label_WeightedAverageNumberDilutedSharesOutstandingAdjustment">Effect of dilutive securities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:to="label_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:title="label: WeightedAverageNumberDilutedSharesOutstandingAdjustment to label_WeightedAverageNumberDilutedSharesOutstandingAdjustment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xlink:label="ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xlink:title="ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xml:lang="en-US" id="label_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock_2">Schedule of Other Nonoperating Income (Expense) [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xlink:to="label_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock_2" xlink:title="label: ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock to label_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xml:lang="en-US" id="label_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock">Schedule of interest income, expense and other financing costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xlink:to="label_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xlink:title="label: ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock to label_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="InvestmentIncomeInterest" xlink:title="InvestmentIncomeInterest" />
    <link:label xlink:type="resource" xlink:label="label_InvestmentIncomeInterest_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_InvestmentIncomeInterest" xml:lang="en-US" id="label_InvestmentIncomeInterest_2">Investment Income, Interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InvestmentIncomeInterest" xlink:to="label_InvestmentIncomeInterest_2" xlink:title="label: InvestmentIncomeInterest to label_InvestmentIncomeInterest" />
    <link:label xlink:type="resource" xlink:label="label_InvestmentIncomeInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_InvestmentIncomeInterest" xml:lang="en-US" id="label_InvestmentIncomeInterest">Interest income</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InvestmentIncomeInterest" xlink:to="label_InvestmentIncomeInterest" xlink:title="label: InvestmentIncomeInterest to label_InvestmentIncomeInterest" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_EstimateOfFairValueBeforeNettingMember" xlink:label="EstimateOfFairValueBeforeNettingMember" xlink:title="EstimateOfFairValueBeforeNettingMember" />
    <link:label xlink:type="resource" xlink:label="label_EstimateOfFairValueBeforeNettingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EstimateOfFairValueBeforeNettingMember" xml:lang="en-US" id="label_EstimateOfFairValueBeforeNettingMember">Sub-Total</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EstimateOfFairValueBeforeNettingMember" xlink:to="label_EstimateOfFairValueBeforeNettingMember" xlink:title="label: EstimateOfFairValueBeforeNettingMember to label_EstimateOfFairValueBeforeNettingMember" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:label="EstimateOfFairValueFairValueDisclosureMember" xlink:title="EstimateOfFairValueFairValueDisclosureMember" />
    <link:label xlink:type="resource" xlink:label="label_EstimateOfFairValueFairValueDisclosureMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EstimateOfFairValueFairValueDisclosureMember" xml:lang="en-US" id="label_EstimateOfFairValueFairValueDisclosureMember">Total</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EstimateOfFairValueFairValueDisclosureMember" xlink:to="label_EstimateOfFairValueFairValueDisclosureMember" xlink:title="label: EstimateOfFairValueFairValueDisclosureMember to label_EstimateOfFairValueFairValueDisclosureMember" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_FairValueClassOfAssetsAndLiabilitiesDomain" xlink:label="FairValueClassOfAssetsAndLiabilitiesDomain" xlink:title="FairValueClassOfAssetsAndLiabilitiesDomain" />
    <link:label xlink:type="resource" xlink:label="label_FairValueClassOfAssetsAndLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueClassOfAssetsAndLiabilitiesDomain" xml:lang="en-US" id="label_FairValueClassOfAssetsAndLiabilitiesDomain">Fair Value Class of Assets and Liabilities [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueClassOfAssetsAndLiabilitiesDomain" xlink:to="label_FairValueClassOfAssetsAndLiabilitiesDomain" xlink:title="label: FairValueClassOfAssetsAndLiabilitiesDomain to label_FairValueClassOfAssetsAndLiabilitiesDomain" />
    <link:label xlink:type="resource" xlink:label="label_FairValueClassOfAssetsAndLiabilitiesDomain_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_FairValueClassOfAssetsAndLiabilitiesDomain" xml:lang="en-US" id="label_FairValueClassOfAssetsAndLiabilitiesDomain_2">Represents the different class of assets and liabilities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueClassOfAssetsAndLiabilitiesDomain" xlink:to="label_FairValueClassOfAssetsAndLiabilitiesDomain_2" xlink:title="label: FairValueClassOfAssetsAndLiabilitiesDomain to label_FairValueClassOfAssetsAndLiabilitiesDomain" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockDividendsPerShareCashPaid" xlink:label="CommonStockDividendsPerShareCashPaid" xlink:title="CommonStockDividendsPerShareCashPaid" />
    <link:label xlink:type="resource" xlink:label="label_CommonStockDividendsPerShareCashPaid_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CommonStockDividendsPerShareCashPaid" xml:lang="en-US" id="label_CommonStockDividendsPerShareCashPaid_2">Common Stock, Dividends, Per Share, Cash Paid</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockDividendsPerShareCashPaid" xlink:to="label_CommonStockDividendsPerShareCashPaid_2" xlink:title="label: CommonStockDividendsPerShareCashPaid to label_CommonStockDividendsPerShareCashPaid" />
    <link:label xlink:type="resource" xlink:label="label_CommonStockDividendsPerShareCashPaid" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CommonStockDividendsPerShareCashPaid" xml:lang="en-US" id="label_CommonStockDividendsPerShareCashPaid">Cash dividends declared (in dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockDividendsPerShareCashPaid" xlink:to="label_CommonStockDividendsPerShareCashPaid" xlink:title="label: CommonStockDividendsPerShareCashPaid to label_CommonStockDividendsPerShareCashPaid" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DividendsPayableAmount" xlink:label="DividendsPayableAmount" xlink:title="DividendsPayableAmount" />
    <link:label xlink:type="resource" xlink:label="label_DividendsPayableAmount_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DividendsPayableAmount" xml:lang="en-US" id="label_DividendsPayableAmount_2">Dividends Payable, Amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DividendsPayableAmount" xlink:to="label_DividendsPayableAmount_2" xlink:title="label: DividendsPayableAmount to label_DividendsPayableAmount" />
    <link:label xlink:type="resource" xlink:label="label_DividendsPayableAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DividendsPayableAmount" xml:lang="en-US" id="label_DividendsPayableAmount">Cash dividends declared, but not yet paid</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DividendsPayableAmount" xlink:to="label_DividendsPayableAmount" xlink:title="label: DividendsPayableAmount to label_DividendsPayableAmount" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:label="CapitalExpendituresIncurredButNotYetPaid" xlink:title="CapitalExpendituresIncurredButNotYetPaid" />
    <link:label xlink:type="resource" xlink:label="label_CapitalExpendituresIncurredButNotYetPaid_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CapitalExpendituresIncurredButNotYetPaid" xml:lang="en-US" id="label_CapitalExpendituresIncurredButNotYetPaid_2">Capital Expenditures Incurred but Not yet Paid</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CapitalExpendituresIncurredButNotYetPaid" xlink:to="label_CapitalExpendituresIncurredButNotYetPaid_2" xlink:title="label: CapitalExpendituresIncurredButNotYetPaid to label_CapitalExpendituresIncurredButNotYetPaid" />
    <link:label xlink:type="resource" xlink:label="label_CapitalExpendituresIncurredButNotYetPaid" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CapitalExpendituresIncurredButNotYetPaid" xml:lang="en-US" id="label_CapitalExpendituresIncurredButNotYetPaid">Capital expenditure accrual</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CapitalExpendituresIncurredButNotYetPaid" xlink:to="label_CapitalExpendituresIncurredButNotYetPaid" xlink:title="label: CapitalExpendituresIncurredButNotYetPaid to label_CapitalExpendituresIncurredButNotYetPaid" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredCompensationLiabilityCurrent" xlink:label="DeferredCompensationLiabilityCurrent" xlink:title="DeferredCompensationLiabilityCurrent" />
    <link:label xlink:type="resource" xlink:label="label_DeferredCompensationLiabilityCurrent_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DeferredCompensationLiabilityCurrent" xml:lang="en-US" id="label_DeferredCompensationLiabilityCurrent_2">Deferred Compensation Liability, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredCompensationLiabilityCurrent" xlink:to="label_DeferredCompensationLiabilityCurrent_2" xlink:title="label: DeferredCompensationLiabilityCurrent to label_DeferredCompensationLiabilityCurrent" />
    <link:label xlink:type="resource" xlink:label="label_DeferredCompensationLiabilityCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DeferredCompensationLiabilityCurrent" xml:lang="en-US" id="label_DeferredCompensationLiabilityCurrent">Deferred Compensation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredCompensationLiabilityCurrent" xlink:to="label_DeferredCompensationLiabilityCurrent" xlink:title="label: DeferredCompensationLiabilityCurrent to label_DeferredCompensationLiabilityCurrent" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_NoncontrollingInterestUponConsolidationOfJointVenture" xlink:label="NoncontrollingInterestUponConsolidationOfJointVenture" xlink:title="NoncontrollingInterestUponConsolidationOfJointVenture" />
    <link:label xlink:type="resource" xlink:label="label_NoncontrollingInterestUponConsolidationOfJointVenture" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NoncontrollingInterestUponConsolidationOfJointVenture" xml:lang="en-US" id="label_NoncontrollingInterestUponConsolidationOfJointVenture">Noncontrolling Interest Upon Consolidation of Joint Venture</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NoncontrollingInterestUponConsolidationOfJointVenture" xlink:to="label_NoncontrollingInterestUponConsolidationOfJointVenture" xlink:title="label: NoncontrollingInterestUponConsolidationOfJointVenture to label_NoncontrollingInterestUponConsolidationOfJointVenture" />
    <link:label xlink:type="resource" xlink:label="label_NoncontrollingInterestUponConsolidationOfJointVenture_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_NoncontrollingInterestUponConsolidationOfJointVenture" xml:lang="en-US" id="label_NoncontrollingInterestUponConsolidationOfJointVenture_2">Noncontrolling interest upon consolidation of joint venture</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NoncontrollingInterestUponConsolidationOfJointVenture" xlink:to="label_NoncontrollingInterestUponConsolidationOfJointVenture_2" xlink:title="label: NoncontrollingInterestUponConsolidationOfJointVenture to label_NoncontrollingInterestUponConsolidationOfJointVenture" />
    <link:label xlink:type="resource" xlink:label="label_NoncontrollingInterestUponConsolidationOfJointVenture_3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_NoncontrollingInterestUponConsolidationOfJointVenture" xml:lang="en-US" id="label_NoncontrollingInterestUponConsolidationOfJointVenture_3">Initial Noncontrolling Interest recorded upon the consolidation of a joint venture relating to that joint venture's net assets.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NoncontrollingInterestUponConsolidationOfJointVenture" xlink:to="label_NoncontrollingInterestUponConsolidationOfJointVenture_3" xlink:title="label: NoncontrollingInterestUponConsolidationOfJointVenture to label_NoncontrollingInterestUponConsolidationOfJointVenture" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_ExtinguishmentOfReceivablesRelatedToAcquisition" xlink:label="ExtinguishmentOfReceivablesRelatedToAcquisition" xlink:title="ExtinguishmentOfReceivablesRelatedToAcquisition" />
    <link:label xlink:type="resource" xlink:label="label_ExtinguishmentOfReceivablesRelatedToAcquisition" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ExtinguishmentOfReceivablesRelatedToAcquisition" xml:lang="en-US" id="label_ExtinguishmentOfReceivablesRelatedToAcquisition">Extinguishment of Receivables Related to Acquisition</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ExtinguishmentOfReceivablesRelatedToAcquisition" xlink:to="label_ExtinguishmentOfReceivablesRelatedToAcquisition" xlink:title="label: ExtinguishmentOfReceivablesRelatedToAcquisition to label_ExtinguishmentOfReceivablesRelatedToAcquisition" />
    <link:label xlink:type="resource" xlink:label="label_ExtinguishmentOfReceivablesRelatedToAcquisition_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ExtinguishmentOfReceivablesRelatedToAcquisition" xml:lang="en-US" id="label_ExtinguishmentOfReceivablesRelatedToAcquisition_2">Extinguishment of receivables related to acquisition</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ExtinguishmentOfReceivablesRelatedToAcquisition" xlink:to="label_ExtinguishmentOfReceivablesRelatedToAcquisition_2" xlink:title="label: ExtinguishmentOfReceivablesRelatedToAcquisition to label_ExtinguishmentOfReceivablesRelatedToAcquisition" />
    <link:label xlink:type="resource" xlink:label="label_ExtinguishmentOfReceivablesRelatedToAcquisition_3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ExtinguishmentOfReceivablesRelatedToAcquisition" xml:lang="en-US" id="label_ExtinguishmentOfReceivablesRelatedToAcquisition_3">Amount of receivables extinguished during acquisition.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ExtinguishmentOfReceivablesRelatedToAcquisition" xlink:to="label_ExtinguishmentOfReceivablesRelatedToAcquisition_3" xlink:title="label: ExtinguishmentOfReceivablesRelatedToAcquisition to label_ExtinguishmentOfReceivablesRelatedToAcquisition" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_ExtinguishmentOfReceivablesRelatedToFundingArrangement" xlink:label="ExtinguishmentOfReceivablesRelatedToFundingArrangement" xlink:title="ExtinguishmentOfReceivablesRelatedToFundingArrangement" />
    <link:label xlink:type="resource" xlink:label="label_ExtinguishmentOfReceivablesRelatedToFundingArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ExtinguishmentOfReceivablesRelatedToFundingArrangement" xml:lang="en-US" id="label_ExtinguishmentOfReceivablesRelatedToFundingArrangement">Extinguishment of Receivables Related to Funding Arrangement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ExtinguishmentOfReceivablesRelatedToFundingArrangement" xlink:to="label_ExtinguishmentOfReceivablesRelatedToFundingArrangement" xlink:title="label: ExtinguishmentOfReceivablesRelatedToFundingArrangement to label_ExtinguishmentOfReceivablesRelatedToFundingArrangement" />
    <link:label xlink:type="resource" xlink:label="label_ExtinguishmentOfReceivablesRelatedToFundingArrangement_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ExtinguishmentOfReceivablesRelatedToFundingArrangement" xml:lang="en-US" id="label_ExtinguishmentOfReceivablesRelatedToFundingArrangement_2">Extinguishment of receivables related to funding arrangement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ExtinguishmentOfReceivablesRelatedToFundingArrangement" xlink:to="label_ExtinguishmentOfReceivablesRelatedToFundingArrangement_2" xlink:title="label: ExtinguishmentOfReceivablesRelatedToFundingArrangement to label_ExtinguishmentOfReceivablesRelatedToFundingArrangement" />
    <link:label xlink:type="resource" xlink:label="label_ExtinguishmentOfReceivablesRelatedToFundingArrangement_3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ExtinguishmentOfReceivablesRelatedToFundingArrangement" xml:lang="en-US" id="label_ExtinguishmentOfReceivablesRelatedToFundingArrangement_3">Amount of receivables extinguished attributable to the funding arrangement.</link:label>
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    <link:label xlink:type="resource" xlink:label="label_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock" xml:lang="en-US" id="label_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock">Presents the effect and financial statement location of derivative instruments not designated as hedging instruments on consolidated statements of income</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock" xlink:to="label_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock" xlink:title="label: ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock to label_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_CommodityContractLongMember" xlink:label="CommodityContractLongMember" xlink:title="CommodityContractLongMember" />
    <link:label xlink:type="resource" xlink:label="label_CommodityContractLongMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CommodityContractLongMember" xml:lang="en-US" id="label_CommodityContractLongMember">Commodity contract (long)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommodityContractLongMember" xlink:to="label_CommodityContractLongMember" xlink:title="label: CommodityContractLongMember to label_CommodityContractLongMember" />
    <link:label xlink:type="resource" xlink:label="label_CommodityContractLongMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_CommodityContractLongMember" xml:lang="en-US" id="label_CommodityContractLongMember_2">A firm and legally binding contract to purchase a physical commodity or underlying asset at some date in the future with an agreed upon price at the date the contract is entered.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommodityContractLongMember" xlink:to="label_CommodityContractLongMember_2" xlink:title="label: CommodityContractLongMember to label_CommodityContractLongMember" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_CommodityContractShortMember" xlink:label="CommodityContractShortMember" xlink:title="CommodityContractShortMember" />
    <link:label xlink:type="resource" xlink:label="label_CommodityContractShortMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CommodityContractShortMember" xml:lang="en-US" id="label_CommodityContractShortMember">Commodity contract (short)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommodityContractShortMember" xlink:to="label_CommodityContractShortMember" xlink:title="label: CommodityContractShortMember to label_CommodityContractShortMember" />
    <link:label xlink:type="resource" xlink:label="label_CommodityContractShortMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_CommodityContractShortMember" xml:lang="en-US" id="label_CommodityContractShortMember_2">A firm and legally binding contract to sell a physical commodity or underlying asset at some date in the future with an agreed upon price at the date the contract is entered.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommodityContractShortMember" xlink:to="label_CommodityContractShortMember_2" xlink:title="label: CommodityContractShortMember to label_CommodityContractShortMember" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_CommodityContractInventoryShortMember" xlink:label="CommodityContractInventoryShortMember" xlink:title="CommodityContractInventoryShortMember" />
    <link:label xlink:type="resource" xlink:label="label_CommodityContractInventoryShortMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CommodityContractInventoryShortMember" xml:lang="en-US" id="label_CommodityContractInventoryShortMember">Commodity contract inventory (short)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommodityContractInventoryShortMember" xlink:to="label_CommodityContractInventoryShortMember" xlink:title="label: CommodityContractInventoryShortMember to label_CommodityContractInventoryShortMember" />
    <link:label xlink:type="resource" xlink:label="label_CommodityContractInventoryShortMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_CommodityContractInventoryShortMember" xml:lang="en-US" id="label_CommodityContractInventoryShortMember_2">A firm and legally contract to sell a physical commodity or underlying asset at some date in the future with an agreed upon price at the date the contract is entered. The purpose of the contract is to protect the value of inventory held against a price decline.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommodityContractInventoryShortMember" xlink:to="label_CommodityContractInventoryShortMember_2" xlink:title="label: CommodityContractInventoryShortMember to label_CommodityContractInventoryShortMember" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_ForeignCurrencyContractsLongMember" xlink:label="ForeignCurrencyContractsLongMember" xlink:title="ForeignCurrencyContractsLongMember" />
    <link:label xlink:type="resource" xlink:label="label_ForeignCurrencyContractsLongMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ForeignCurrencyContractsLongMember" xml:lang="en-US" id="label_ForeignCurrencyContractsLongMember">Foreign currency contracts (long)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignCurrencyContractsLongMember" xlink:to="label_ForeignCurrencyContractsLongMember" xlink:title="label: ForeignCurrencyContractsLongMember to label_ForeignCurrencyContractsLongMember" />
    <link:label xlink:type="resource" xlink:label="label_ForeignCurrencyContractsLongMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ForeignCurrencyContractsLongMember" xml:lang="en-US" id="label_ForeignCurrencyContractsLongMember_2">A contract to purchase a foreign currency (non US dollar) at some date in the future with an agreed upon price at the date the contract is entered.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignCurrencyContractsLongMember" xlink:to="label_ForeignCurrencyContractsLongMember_2" xlink:title="label: ForeignCurrencyContractsLongMember to label_ForeignCurrencyContractsLongMember" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_ForeignCurrencyContractsShortMember" xlink:label="ForeignCurrencyContractsShortMember" xlink:title="ForeignCurrencyContractsShortMember" />
    <link:label xlink:type="resource" xlink:label="label_ForeignCurrencyContractsShortMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ForeignCurrencyContractsShortMember" xml:lang="en-US" id="label_ForeignCurrencyContractsShortMember">Foreign currency contracts (short)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignCurrencyContractsShortMember" xlink:to="label_ForeignCurrencyContractsShortMember" xlink:title="label: ForeignCurrencyContractsShortMember to label_ForeignCurrencyContractsShortMember" />
    <link:label xlink:type="resource" xlink:label="label_ForeignCurrencyContractsShortMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ForeignCurrencyContractsShortMember" xml:lang="en-US" id="label_ForeignCurrencyContractsShortMember_2">A contract to sell a foreign currency (non US dollar) at some date in the future with an agreed upon price at the date the contract is entered.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignCurrencyContractsShortMember" xlink:to="label_ForeignCurrencyContractsShortMember_2" xlink:title="label: ForeignCurrencyContractsShortMember to label_ForeignCurrencyContractsShortMember" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_DerivativeSettlementPeriodAxis" xlink:label="DerivativeSettlementPeriodAxis" xlink:title="DerivativeSettlementPeriodAxis" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeSettlementPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeSettlementPeriodAxis" xml:lang="en-US" id="label_DerivativeSettlementPeriodAxis">Derivative, Settlement Period [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeSettlementPeriodAxis" xlink:to="label_DerivativeSettlementPeriodAxis" xlink:title="label: DerivativeSettlementPeriodAxis to label_DerivativeSettlementPeriodAxis" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeSettlementPeriodAxis_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_DerivativeSettlementPeriodAxis" xml:lang="en-US" id="label_DerivativeSettlementPeriodAxis_2">Information pertaining to the settlement period of derivative contracts.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeSettlementPeriodAxis" xlink:to="label_DerivativeSettlementPeriodAxis_2" xlink:title="label: DerivativeSettlementPeriodAxis to label_DerivativeSettlementPeriodAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeTable" xlink:label="DerivativeTable" xlink:title="DerivativeTable" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeTable" xml:lang="en-US" id="label_DerivativeTable">Derivative [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeTable" xlink:to="label_DerivativeTable" xlink:title="label: DerivativeTable to label_DerivativeTable" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeByNatureAxis" xlink:label="DerivativeByNatureAxis" xlink:title="DerivativeByNatureAxis" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeByNatureAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeByNatureAxis" xml:lang="en-US" id="label_DerivativeByNatureAxis">Derivative, by Nature [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeByNatureAxis" xlink:to="label_DerivativeByNatureAxis" xlink:title="label: DerivativeByNatureAxis to label_DerivativeByNatureAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="DerivativeNameDomain" xlink:title="DerivativeNameDomain" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeNameDomain" xml:lang="en-US" id="label_DerivativeNameDomain">Derivative, Name [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeNameDomain" xlink:to="label_DerivativeNameDomain" xlink:title="label: DerivativeNameDomain to label_DerivativeNameDomain" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_DerivativeSettlementPeriodDomain" xlink:label="DerivativeSettlementPeriodDomain" xlink:title="DerivativeSettlementPeriodDomain" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeSettlementPeriodDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeSettlementPeriodDomain" xml:lang="en-US" id="label_DerivativeSettlementPeriodDomain">Derivative, Settlement Period [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeSettlementPeriodDomain" xlink:to="label_DerivativeSettlementPeriodDomain" xlink:title="label: DerivativeSettlementPeriodDomain to label_DerivativeSettlementPeriodDomain" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeSettlementPeriodDomain_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_DerivativeSettlementPeriodDomain" xml:lang="en-US" id="label_DerivativeSettlementPeriodDomain_2">Represents the settlement periods of the entity's derivative contracts.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeSettlementPeriodDomain" xlink:to="label_DerivativeSettlementPeriodDomain_2" xlink:title="label: DerivativeSettlementPeriodDomain to label_DerivativeSettlementPeriodDomain" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_SettlementPeriod2011Member" xlink:label="SettlementPeriod2011Member" xlink:title="SettlementPeriod2011Member" />
    <link:label xlink:type="resource" xlink:label="label_SettlementPeriod2011Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SettlementPeriod2011Member" xml:lang="en-US" id="label_SettlementPeriod2011Member">2011</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SettlementPeriod2011Member" xlink:to="label_SettlementPeriod2011Member" xlink:title="label: SettlementPeriod2011Member to label_SettlementPeriod2011Member" />
    <link:label xlink:type="resource" xlink:label="label_SettlementPeriod2011Member_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_SettlementPeriod2011Member" xml:lang="en-US" id="label_SettlementPeriod2011Member_2">Represents the derivative contracts that will settle in 2011.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SettlementPeriod2011Member" xlink:to="label_SettlementPeriod2011Member_2" xlink:title="label: SettlementPeriod2011Member to label_SettlementPeriod2011Member" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_SettlementPeriod2012Member" xlink:label="SettlementPeriod2012Member" xlink:title="SettlementPeriod2012Member" />
    <link:label xlink:type="resource" xlink:label="label_SettlementPeriod2012Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SettlementPeriod2012Member" xml:lang="en-US" id="label_SettlementPeriod2012Member">2012</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SettlementPeriod2012Member" xlink:to="label_SettlementPeriod2012Member" xlink:title="label: SettlementPeriod2012Member to label_SettlementPeriod2012Member" />
    <link:label xlink:type="resource" xlink:label="label_SettlementPeriod2012Member_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_SettlementPeriod2012Member" xml:lang="en-US" id="label_SettlementPeriod2012Member_2">Represents the derivative contracts that will settle in 2012.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SettlementPeriod2012Member" xlink:to="label_SettlementPeriod2012Member_2" xlink:title="label: SettlementPeriod2012Member to label_SettlementPeriod2012Member" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_SettlementPeriod2013Member" xlink:label="SettlementPeriod2013Member" xlink:title="SettlementPeriod2013Member" />
    <link:label xlink:type="resource" xlink:label="label_SettlementPeriod2013Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SettlementPeriod2013Member" xml:lang="en-US" id="label_SettlementPeriod2013Member">2013</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SettlementPeriod2013Member" xlink:to="label_SettlementPeriod2013Member" xlink:title="label: SettlementPeriod2013Member to label_SettlementPeriod2013Member" />
    <link:label xlink:type="resource" xlink:label="label_SettlementPeriod2013Member_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_SettlementPeriod2013Member" xml:lang="en-US" id="label_SettlementPeriod2013Member_2">Represents the derivative contracts that will settle in 2013.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SettlementPeriod2013Member" xlink:to="label_SettlementPeriod2013Member_2" xlink:title="label: SettlementPeriod2013Member to label_SettlementPeriod2013Member" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_DerivativeCurrencyAxis" xlink:label="DerivativeCurrencyAxis" xlink:title="DerivativeCurrencyAxis" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeCurrencyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeCurrencyAxis" xml:lang="en-US" id="label_DerivativeCurrencyAxis">Derivative, Currency [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeCurrencyAxis" xlink:to="label_DerivativeCurrencyAxis" xlink:title="label: DerivativeCurrencyAxis to label_DerivativeCurrencyAxis" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeCurrencyAxis_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_DerivativeCurrencyAxis" xml:lang="en-US" id="label_DerivativeCurrencyAxis_2">Information pertaining to the currencies of derivative contracts.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeCurrencyAxis" xlink:to="label_DerivativeCurrencyAxis_2" xlink:title="label: DerivativeCurrencyAxis to label_DerivativeCurrencyAxis" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_DerivativeUnitOfMeasureAxis" xlink:label="DerivativeUnitOfMeasureAxis" xlink:title="DerivativeUnitOfMeasureAxis" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeUnitOfMeasureAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeUnitOfMeasureAxis" xml:lang="en-US" id="label_DerivativeUnitOfMeasureAxis">Derivative, Unit of Measure [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeUnitOfMeasureAxis" xlink:to="label_DerivativeUnitOfMeasureAxis" xlink:title="label: DerivativeUnitOfMeasureAxis to label_DerivativeUnitOfMeasureAxis" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeUnitOfMeasureAxis_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_DerivativeUnitOfMeasureAxis" xml:lang="en-US" id="label_DerivativeUnitOfMeasureAxis_2">Information pertaining to the units of measure specified in the derivative contract.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeUnitOfMeasureAxis" xlink:to="label_DerivativeUnitOfMeasureAxis_2" xlink:title="label: DerivativeUnitOfMeasureAxis to label_DerivativeUnitOfMeasureAxis" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_UnitOfMeasureDomain" xlink:label="UnitOfMeasureDomain" xlink:title="UnitOfMeasureDomain" />
    <link:label xlink:type="resource" xlink:label="label_UnitOfMeasureDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_UnitOfMeasureDomain" xml:lang="en-US" id="label_UnitOfMeasureDomain">Unit of Measure [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UnitOfMeasureDomain" xlink:to="label_UnitOfMeasureDomain" xlink:title="label: UnitOfMeasureDomain to label_UnitOfMeasureDomain" />
    <link:label xlink:type="resource" xlink:label="label_UnitOfMeasureDomain_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_UnitOfMeasureDomain" xml:lang="en-US" id="label_UnitOfMeasureDomain_2">Represents the types of units of measure in the derivative contracts.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UnitOfMeasureDomain" xlink:to="label_UnitOfMeasureDomain_2" xlink:title="label: UnitOfMeasureDomain to label_UnitOfMeasureDomain" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_GallonMember" xlink:label="GallonMember" xlink:title="GallonMember" />
    <link:label xlink:type="resource" xlink:label="label_GallonMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_GallonMember" xml:lang="en-US" id="label_GallonMember">GAL</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GallonMember" xlink:to="label_GallonMember" xlink:title="label: GallonMember to label_GallonMember" />
    <link:label xlink:type="resource" xlink:label="label_GallonMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_GallonMember" xml:lang="en-US" id="label_GallonMember_2">Represents gallons.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GallonMember" xlink:to="label_GallonMember_2" xlink:title="label: GallonMember to label_GallonMember" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_MetricTonMember" xlink:label="MetricTonMember" xlink:title="MetricTonMember" />
    <link:label xlink:type="resource" xlink:label="label_MetricTonMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_MetricTonMember" xml:lang="en-US" id="label_MetricTonMember">MT</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MetricTonMember" xlink:to="label_MetricTonMember" xlink:title="label: MetricTonMember to label_MetricTonMember" />
    <link:label xlink:type="resource" xlink:label="label_MetricTonMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_MetricTonMember" xml:lang="en-US" id="label_MetricTonMember_2">Represents metric tons.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MetricTonMember" xlink:to="label_MetricTonMember_2" xlink:title="label: MetricTonMember to label_MetricTonMember" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NotionalAmountOfForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments" xlink:label="NotionalAmountOfForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments" xlink:title="NotionalAmountOfForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments" />
    <link:label xlink:type="resource" xlink:label="label_NotionalAmountOfForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NotionalAmountOfForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments" xml:lang="en-US" id="label_NotionalAmountOfForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments_2">Notional Amount of Foreign Currency Derivative Instruments Not Designated as Hedging Instruments</link:label>
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    <link:label xlink:type="resource" xlink:label="label_NotionalAmountOfForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_NotionalAmountOfForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments" xml:lang="en-US" id="label_NotionalAmountOfForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments">Non-Designated, Notional amount of foreign currency contracts</link:label>
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    <link:label xlink:type="resource" xlink:label="label_PriceRiskFairValueHedgeDerivativeAtFairValueNet_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PriceRiskFairValueHedgeDerivativeAtFairValueNet" xml:lang="en-US" id="label_PriceRiskFairValueHedgeDerivativeAtFairValueNet_2">Price Risk Fair Value Hedge Derivative, at Fair Value, Net</link:label>
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    <link:label xlink:type="resource" xlink:label="label_PriceRiskFairValueHedgeDerivativeAtFairValueNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PriceRiskFairValueHedgeDerivativeAtFairValueNet" xml:lang="en-US" id="label_PriceRiskFairValueHedgeDerivativeAtFairValueNet">Mark-to-Market value of fair value hedge commodity contracts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PriceRiskFairValueHedgeDerivativeAtFairValueNet" xlink:to="label_PriceRiskFairValueHedgeDerivativeAtFairValueNet" xlink:title="label: PriceRiskFairValueHedgeDerivativeAtFairValueNet to label_PriceRiskFairValueHedgeDerivativeAtFairValueNet" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" xlink:label="PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" xlink:title="PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" />
    <link:label xlink:type="resource" xlink:label="label_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" xml:lang="en-US" id="label_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet_2">Price Risk Derivative Instruments Not Designated as Hedging Instruments, at Fair Value, Net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" xlink:to="label_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet_2" xlink:title="label: PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet to label_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" xlink:to="label_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" xlink:title="label: PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet to label_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" xlink:label="ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" xlink:title="ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" xlink:to="label_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet_2" xlink:title="label: ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet to label_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" />
    <link:label xlink:type="resource" xlink:label="label_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" xml:lang="en-US" id="label_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet">Mark-to-Market value of non-designated foreign currency contracts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" xlink:to="label_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" xlink:title="label: ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet to label_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2011/currency-2011-01-31.xsd#currency_AllCurrenciesDomain" xlink:label="AllCurrenciesDomain" xlink:title="AllCurrenciesDomain" />
    <link:label xlink:type="resource" xlink:label="label_AllCurrenciesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AllCurrenciesDomain" xml:lang="en-US" id="label_AllCurrenciesDomain">All Currencies [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AllCurrenciesDomain" xlink:to="label_AllCurrenciesDomain" xlink:title="label: AllCurrenciesDomain to label_AllCurrenciesDomain" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2011/currency-2011-01-31.xsd#currency_BRL" xlink:label="BRL" xlink:title="BRL" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BRL" xlink:to="label_BRL" xlink:title="label: BRL to label_BRL" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2011/currency-2011-01-31.xsd#currency_CAD" xlink:label="CAD" xlink:title="CAD" />
    <link:label xlink:type="resource" xlink:label="label_CAD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CAD" xml:lang="en-US" id="label_CAD">CAD</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CAD" xlink:to="label_CAD" xlink:title="label: CAD to label_CAD" />
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    <link:label xlink:type="resource" xlink:label="label_CLP" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CLP" xml:lang="en-US" id="label_CLP">CLP</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CLP" xlink:to="label_CLP" xlink:title="label: CLP to label_CLP" />
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    <link:label xlink:type="resource" xlink:label="label_EUR" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EUR" xml:lang="en-US" id="label_EUR">EUR</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EUR" xlink:to="label_EUR" xlink:title="label: EUR to label_EUR" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2011/currency-2011-01-31.xsd#currency_GBP" xlink:label="GBP" xlink:title="GBP" />
    <link:label xlink:type="resource" xlink:label="label_GBP" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_GBP" xml:lang="en-US" id="label_GBP">GBP</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GBP" xlink:to="label_GBP" xlink:title="label: GBP to label_GBP" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2011/currency-2011-01-31.xsd#currency_MXN" xlink:label="MXN" xlink:title="MXN" />
    <link:label xlink:type="resource" xlink:label="label_MXN" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_MXN" xml:lang="en-US" id="label_MXN">MXN</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2011/currency-2011-01-31.xsd#currency_SGD" xlink:label="SGD" xlink:title="SGD" />
    <link:label xlink:type="resource" xlink:label="label_SGD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SGD" xml:lang="en-US" id="label_SGD">SGD</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SGD" xlink:to="label_SGD" xlink:title="label: SGD to label_SGD" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2011/currency-2011-01-31.xsd#currency_AUD" xlink:label="AUD" xlink:title="AUD" />
    <link:label xlink:type="resource" xlink:label="label_AUD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AUD" xml:lang="en-US" id="label_AUD">AUD</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AUD" xlink:to="label_AUD" xlink:title="label: AUD to label_AUD" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="HedgingDesignationAxis" xlink:title="HedgingDesignationAxis" />
    <link:label xlink:type="resource" xlink:label="label_HedgingDesignationAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_HedgingDesignationAxis" xml:lang="en-US" id="label_HedgingDesignationAxis">Hedging Designation [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="HedgingDesignationAxis" xlink:to="label_HedgingDesignationAxis" xlink:title="label: HedgingDesignationAxis to label_HedgingDesignationAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="HedgingDesignationDomain" xlink:title="HedgingDesignationDomain" />
    <link:label xlink:type="resource" xlink:label="label_HedgingDesignationDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_HedgingDesignationDomain" xml:lang="en-US" id="label_HedgingDesignationDomain">Hedging Designation [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="HedgingDesignationDomain" xlink:to="label_HedgingDesignationDomain" xlink:title="label: HedgingDesignationDomain to label_HedgingDesignationDomain" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="DesignatedAsHedgingInstrumentMember" xlink:title="DesignatedAsHedgingInstrumentMember" />
    <link:label xlink:type="resource" xlink:label="label_DesignatedAsHedgingInstrumentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DesignatedAsHedgingInstrumentMember" xml:lang="en-US" id="label_DesignatedAsHedgingInstrumentMember">Derivatives designated as hedging instruments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DesignatedAsHedgingInstrumentMember" xlink:to="label_DesignatedAsHedgingInstrumentMember" xlink:title="label: DesignatedAsHedgingInstrumentMember to label_DesignatedAsHedgingInstrumentMember" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="NondesignatedMember" xlink:title="NondesignatedMember" />
    <link:label xlink:type="resource" xlink:label="label_NondesignatedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NondesignatedMember" xml:lang="en-US" id="label_NondesignatedMember">Derivatives not designated as hedging instruments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NondesignatedMember" xlink:to="label_NondesignatedMember" xlink:title="label: NondesignatedMember to label_NondesignatedMember" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="DerivativeInstrumentRiskAxis" xlink:title="DerivativeInstrumentRiskAxis" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeInstrumentRiskAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeInstrumentRiskAxis" xml:lang="en-US" id="label_DerivativeInstrumentRiskAxis">Derivative Instrument Risk [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeInstrumentRiskAxis" xlink:to="label_DerivativeInstrumentRiskAxis" xlink:title="label: DerivativeInstrumentRiskAxis to label_DerivativeInstrumentRiskAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="DerivativeContractTypeDomain" xlink:title="DerivativeContractTypeDomain" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeContractTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeContractTypeDomain" xml:lang="en-US" id="label_DerivativeContractTypeDomain">Derivative Contract Type [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeContractTypeDomain" xlink:to="label_DerivativeContractTypeDomain" xlink:title="label: DerivativeContractTypeDomain to label_DerivativeContractTypeDomain" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativesFairValueByBalanceSheetLocationAxis" xlink:label="DerivativesFairValueByBalanceSheetLocationAxis" xlink:title="DerivativesFairValueByBalanceSheetLocationAxis" />
    <link:label xlink:type="resource" xlink:label="label_DerivativesFairValueByBalanceSheetLocationAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativesFairValueByBalanceSheetLocationAxis" xml:lang="en-US" id="label_DerivativesFairValueByBalanceSheetLocationAxis">Derivatives, Fair Value, by Balance Sheet Location [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativesFairValueByBalanceSheetLocationAxis" xlink:to="label_DerivativesFairValueByBalanceSheetLocationAxis" xlink:title="label: DerivativesFairValueByBalanceSheetLocationAxis to label_DerivativesFairValueByBalanceSheetLocationAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="BalanceSheetLocationDomain" xlink:title="BalanceSheetLocationDomain" />
    <link:label xlink:type="resource" xlink:label="label_BalanceSheetLocationDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BalanceSheetLocationDomain" xml:lang="en-US" id="label_BalanceSheetLocationDomain">Balance Sheet Location [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BalanceSheetLocationDomain" xlink:to="label_BalanceSheetLocationDomain" xlink:title="label: BalanceSheetLocationDomain to label_BalanceSheetLocationDomain" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_ShortTermDerivativeAssetsMember" xlink:label="ShortTermDerivativeAssetsMember" xlink:title="ShortTermDerivativeAssetsMember" />
    <link:label xlink:type="resource" xlink:label="label_ShortTermDerivativeAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShortTermDerivativeAssetsMember" xml:lang="en-US" id="label_ShortTermDerivativeAssetsMember">Short-term derivative assets, net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShortTermDerivativeAssetsMember" xlink:to="label_ShortTermDerivativeAssetsMember" xlink:title="label: ShortTermDerivativeAssetsMember to label_ShortTermDerivativeAssetsMember" />
    <link:label xlink:type="resource" xlink:label="label_ShortTermDerivativeAssetsMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ShortTermDerivativeAssetsMember" xml:lang="en-US" id="label_ShortTermDerivativeAssetsMember_2">Represents short-term derivative assets, net, in which the fair value amounts of the derivative instruments are included.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShortTermDerivativeAssetsMember" xlink:to="label_ShortTermDerivativeAssetsMember_2" xlink:title="label: ShortTermDerivativeAssetsMember to label_ShortTermDerivativeAssetsMember" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_ShortTermDerivativeLiabilitiesMember" xlink:label="ShortTermDerivativeLiabilitiesMember" xlink:title="ShortTermDerivativeLiabilitiesMember" />
    <link:label xlink:type="resource" xlink:label="label_ShortTermDerivativeLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShortTermDerivativeLiabilitiesMember" xml:lang="en-US" id="label_ShortTermDerivativeLiabilitiesMember">Short-term derivative liabilities, net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShortTermDerivativeLiabilitiesMember" xlink:to="label_ShortTermDerivativeLiabilitiesMember" xlink:title="label: ShortTermDerivativeLiabilitiesMember to label_ShortTermDerivativeLiabilitiesMember" />
    <link:label xlink:type="resource" xlink:label="label_ShortTermDerivativeLiabilitiesMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ShortTermDerivativeLiabilitiesMember" xml:lang="en-US" id="label_ShortTermDerivativeLiabilitiesMember_2">Represents short-term derivative liabilities, net, in which the fair value amounts of the derivative instruments are included.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShortTermDerivativeLiabilitiesMember" xlink:to="label_ShortTermDerivativeLiabilitiesMember_2" xlink:title="label: ShortTermDerivativeLiabilitiesMember to label_ShortTermDerivativeLiabilitiesMember" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_OtherAssetsNoncurrentMember" xlink:label="OtherAssetsNoncurrentMember" xlink:title="OtherAssetsNoncurrentMember" />
    <link:label xlink:type="resource" xlink:label="label_OtherAssetsNoncurrentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OtherAssetsNoncurrentMember" xml:lang="en-US" id="label_OtherAssetsNoncurrentMember">Non-current other assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherAssetsNoncurrentMember" xlink:to="label_OtherAssetsNoncurrentMember" xlink:title="label: OtherAssetsNoncurrentMember to label_OtherAssetsNoncurrentMember" />
    <link:label xlink:type="resource" xlink:label="label_OtherAssetsNoncurrentMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_OtherAssetsNoncurrentMember" xml:lang="en-US" id="label_OtherAssetsNoncurrentMember_2">Represents the non-current other assets in which the fair value amounts of the derivative instruments are included.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherAssetsNoncurrentMember" xlink:to="label_OtherAssetsNoncurrentMember_2" xlink:title="label: OtherAssetsNoncurrentMember to label_OtherAssetsNoncurrentMember" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_OtherLongTermLiabilitiesMember" xlink:label="OtherLongTermLiabilitiesMember" xlink:title="OtherLongTermLiabilitiesMember" />
    <link:label xlink:type="resource" xlink:label="label_OtherLongTermLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OtherLongTermLiabilitiesMember" xml:lang="en-US" id="label_OtherLongTermLiabilitiesMember">Other long-term liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherLongTermLiabilitiesMember" xlink:to="label_OtherLongTermLiabilitiesMember" xlink:title="label: OtherLongTermLiabilitiesMember to label_OtherLongTermLiabilitiesMember" />
    <link:label xlink:type="resource" xlink:label="label_OtherLongTermLiabilitiesMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_OtherLongTermLiabilitiesMember" xml:lang="en-US" id="label_OtherLongTermLiabilitiesMember_2">Represents the other long-term liabilities in which the fair value amounts of the derivative instruments are included.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherLongTermLiabilitiesMember" xlink:to="label_OtherLongTermLiabilitiesMember_2" xlink:title="label: OtherLongTermLiabilitiesMember to label_OtherLongTermLiabilitiesMember" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="DerivativeFairValueOfDerivativeAsset" xlink:title="DerivativeFairValueOfDerivativeAsset" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeFairValueOfDerivativeAsset_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeFairValueOfDerivativeAsset" xml:lang="en-US" id="label_DerivativeFairValueOfDerivativeAsset_2">Derivative Asset, Fair Value, Gross Asset</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeFairValueOfDerivativeAsset" xlink:to="label_DerivativeFairValueOfDerivativeAsset_2" xlink:title="label: DerivativeFairValueOfDerivativeAsset to label_DerivativeFairValueOfDerivativeAsset" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeFairValueOfDerivativeAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DerivativeFairValueOfDerivativeAsset" xml:lang="en-US" id="label_DerivativeFairValueOfDerivativeAsset">Derivative assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeFairValueOfDerivativeAsset" xlink:to="label_DerivativeFairValueOfDerivativeAsset" xlink:title="label: DerivativeFairValueOfDerivativeAsset to label_DerivativeFairValueOfDerivativeAsset" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:label="DerivativeFairValueOfDerivativeLiability" xlink:title="DerivativeFairValueOfDerivativeLiability" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeFairValueOfDerivativeLiability_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeFairValueOfDerivativeLiability" xml:lang="en-US" id="label_DerivativeFairValueOfDerivativeLiability_2">Derivative Liability, Fair Value, Gross Liability</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeFairValueOfDerivativeLiability" xlink:to="label_DerivativeFairValueOfDerivativeLiability_2" xlink:title="label: DerivativeFairValueOfDerivativeLiability to label_DerivativeFairValueOfDerivativeLiability" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeFairValueOfDerivativeLiability" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DerivativeFairValueOfDerivativeLiability" xml:lang="en-US" id="label_DerivativeFairValueOfDerivativeLiability">Derivative liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeFairValueOfDerivativeLiability" xlink:to="label_DerivativeFairValueOfDerivativeLiability" xlink:title="label: DerivativeFairValueOfDerivativeLiability to label_DerivativeFairValueOfDerivativeLiability" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:label="DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:title="DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xml:lang="en-US" id="label_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable">Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:to="label_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:title="label: DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable to label_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:title="DerivativeInstrumentsGainLossByHedgingRelationshipAxis" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xml:lang="en-US" id="label_DerivativeInstrumentsGainLossByHedgingRelationshipAxis">Derivative Instruments, Gain (Loss) by Hedging Relationship [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:to="label_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:title="label: DerivativeInstrumentsGainLossByHedgingRelationshipAxis to label_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="HedgingRelationshipDomain" xlink:title="HedgingRelationshipDomain" />
    <link:label xlink:type="resource" xlink:label="label_HedgingRelationshipDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_HedgingRelationshipDomain" xml:lang="en-US" id="label_HedgingRelationshipDomain">Hedging Relationship [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="HedgingRelationshipDomain" xlink:to="label_HedgingRelationshipDomain" xlink:title="label: HedgingRelationshipDomain to label_HedgingRelationshipDomain" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueHedgingMember" xlink:label="FairValueHedgingMember" xlink:title="FairValueHedgingMember" />
    <link:label xlink:type="resource" xlink:label="label_FairValueHedgingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueHedgingMember" xml:lang="en-US" id="label_FairValueHedgingMember">Fair value hedges</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueHedgingMember" xlink:to="label_FairValueHedgingMember" xlink:title="label: FairValueHedgingMember to label_FairValueHedgingMember" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashFlowHedgingMember" xlink:label="CashFlowHedgingMember" xlink:title="CashFlowHedgingMember" />
    <link:label xlink:type="resource" xlink:label="label_CashFlowHedgingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CashFlowHedgingMember" xml:lang="en-US" id="label_CashFlowHedgingMember">Cash flow hedges</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashFlowHedgingMember" xlink:to="label_CashFlowHedgingMember" xlink:title="label: CashFlowHedgingMember to label_CashFlowHedgingMember" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByIncomeStatementLocationAxis" xlink:label="DerivativeInstrumentsGainLossByIncomeStatementLocationAxis" xlink:title="DerivativeInstrumentsGainLossByIncomeStatementLocationAxis" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeInstrumentsGainLossByIncomeStatementLocationAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeInstrumentsGainLossByIncomeStatementLocationAxis" xml:lang="en-US" id="label_DerivativeInstrumentsGainLossByIncomeStatementLocationAxis">Derivative Instruments, Gain (Loss) by Income Statement Location [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeInstrumentsGainLossByIncomeStatementLocationAxis" xlink:to="label_DerivativeInstrumentsGainLossByIncomeStatementLocationAxis" xlink:title="label: DerivativeInstrumentsGainLossByIncomeStatementLocationAxis to label_DerivativeInstrumentsGainLossByIncomeStatementLocationAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeStatementAndOtherComprehensiveIncomeLocationDomain" xlink:label="IncomeStatementAndOtherComprehensiveIncomeLocationDomain" xlink:title="IncomeStatementAndOtherComprehensiveIncomeLocationDomain" />
    <link:label xlink:type="resource" xlink:label="label_IncomeStatementAndOtherComprehensiveIncomeLocationDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_IncomeStatementAndOtherComprehensiveIncomeLocationDomain" xml:lang="en-US" id="label_IncomeStatementAndOtherComprehensiveIncomeLocationDomain">Income Statement and Other Comprehensive Income Location [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeStatementAndOtherComprehensiveIncomeLocationDomain" xlink:to="label_IncomeStatementAndOtherComprehensiveIncomeLocationDomain" xlink:title="label: IncomeStatementAndOtherComprehensiveIncomeLocationDomain to label_IncomeStatementAndOtherComprehensiveIncomeLocationDomain" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SalesMember" xlink:label="SalesMember" xlink:title="SalesMember" />
    <link:label xlink:type="resource" xlink:label="label_SalesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SalesMember" xml:lang="en-US" id="label_SalesMember">Revenue</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SalesMember" xlink:to="label_SalesMember" xlink:title="label: SalesMember to label_SalesMember" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="CostOfSalesMember" xlink:title="CostOfSalesMember" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="HedgedItemsMember" xlink:to="label_HedgedItemsMember_2" xlink:title="label: HedgedItemsMember to label_HedgedItemsMember" />
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    <link:label xlink:type="resource" xlink:label="label_HedgedItemsFirmCommitmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_HedgedItemsFirmCommitmentMember" xml:lang="en-US" id="label_HedgedItemsFirmCommitmentMember">Hedged item commitments</link:label>
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    <link:label xlink:type="resource" xlink:label="label_HedgedItemsFirmCommitmentMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_HedgedItemsFirmCommitmentMember" xml:lang="en-US" id="label_HedgedItemsFirmCommitmentMember_2">Represents the hedged items inventories related to the derivative instrument.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="HedgedItemsFirmCommitmentMember" xlink:to="label_HedgedItemsFirmCommitmentMember_2" xlink:title="label: HedgedItemsFirmCommitmentMember to label_HedgedItemsFirmCommitmentMember" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments" xlink:label="ChangeInUnrealizedGainLossOnFairValueHedgingInstruments" xlink:title="ChangeInUnrealizedGainLossOnFairValueHedgingInstruments" />
    <link:label xlink:type="resource" xlink:label="label_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments" xml:lang="en-US" id="label_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments_2">Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments</link:label>
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    <link:label xlink:type="resource" xlink:label="label_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments" xml:lang="en-US" id="label_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments">Realized and Unrealized Gain (Loss) on Hedge</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ChangeInUnrealizedGainLossOnFairValueHedgingInstruments" xlink:to="label_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments" xlink:title="label: ChangeInUnrealizedGainLossOnFairValueHedgingInstruments to label_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge" xlink:label="ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge" xlink:title="ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge" />
    <link:label xlink:type="resource" xlink:label="label_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge" xml:lang="en-US" id="label_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge_2">Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeNet" xlink:label="DerivativeInstrumentsGainLossRecognizedInIncomeNet" xlink:title="DerivativeInstrumentsGainLossRecognizedInIncomeNet" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeInstrumentsGainLossRecognizedInIncomeNet_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeInstrumentsGainLossRecognizedInIncomeNet" xml:lang="en-US" id="label_DerivativeInstrumentsGainLossRecognizedInIncomeNet_2">Derivative Instruments, Gain (Loss) Recognized in Income, Net</link:label>
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    <link:label xlink:type="resource" xlink:label="label_DerivativeInstrumentsGainLossRecognizedInIncomeNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DerivativeInstrumentsGainLossRecognizedInIncomeNet" xml:lang="en-US" id="label_DerivativeInstrumentsGainLossRecognizedInIncomeNet">Realized and Unrealized Gain (Loss)</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainRecognizedInOtherComprehensiveIncomeEffectivePortion" xlink:label="DerivativeInstrumentsGainRecognizedInOtherComprehensiveIncomeEffectivePortion" xlink:title="DerivativeInstrumentsGainRecognizedInOtherComprehensiveIncomeEffectivePortion" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeInstrumentsGainRecognizedInOtherComprehensiveIncomeEffectivePortion_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeInstrumentsGainRecognizedInOtherComprehensiveIncomeEffectivePortion" xml:lang="en-US" id="label_DerivativeInstrumentsGainRecognizedInOtherComprehensiveIncomeEffectivePortion_2">Derivative Instruments, Gain Recognized in Other Comprehensive Income (Loss), Effective Portion</link:label>
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    <link:label xlink:type="resource" xlink:label="label_DerivativeInstrumentsGainRecognizedInOtherComprehensiveIncomeEffectivePortion" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DerivativeInstrumentsGainRecognizedInOtherComprehensiveIncomeEffectivePortion" xml:lang="en-US" id="label_DerivativeInstrumentsGainRecognizedInOtherComprehensiveIncomeEffectivePortion">Unrealized Gain (Loss) Recorded in Accumulated Other Comprehensive Income (Effective Portion)</link:label>
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    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_PriceRiskFairValueHedgeDerivativeFairValuePerUnit" xlink:label="PriceRiskFairValueHedgeDerivativeFairValuePerUnit" xlink:title="PriceRiskFairValueHedgeDerivativeFairValuePerUnit" />
    <link:label xlink:type="resource" xlink:label="label_PriceRiskFairValueHedgeDerivativeFairValuePerUnit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PriceRiskFairValueHedgeDerivativeFairValuePerUnit" xml:lang="en-US" id="label_PriceRiskFairValueHedgeDerivativeFairValuePerUnit">Price Risk Fair Value Hedge Derivative Fair Value Per Unit</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PriceRiskFairValueHedgeDerivativeFairValuePerUnit" xlink:to="label_PriceRiskFairValueHedgeDerivativeFairValuePerUnit" xlink:title="label: PriceRiskFairValueHedgeDerivativeFairValuePerUnit to label_PriceRiskFairValueHedgeDerivativeFairValuePerUnit" />
    <link:label xlink:type="resource" xlink:label="label_PriceRiskFairValueHedgeDerivativeFairValuePerUnit_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_PriceRiskFairValueHedgeDerivativeFairValuePerUnit" xml:lang="en-US" id="label_PriceRiskFairValueHedgeDerivativeFairValuePerUnit_2">Represents the fair value per unit of all price risk derivatives designated as fair value hedging instruments.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PriceRiskFairValueHedgeDerivativeFairValuePerUnit" xlink:to="label_PriceRiskFairValueHedgeDerivativeFairValuePerUnit_2" xlink:title="label: PriceRiskFairValueHedgeDerivativeFairValuePerUnit to label_PriceRiskFairValueHedgeDerivativeFairValuePerUnit" />
    <link:label xlink:type="resource" xlink:label="label_PriceRiskFairValueHedgeDerivativeFairValuePerUnit_3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PriceRiskFairValueHedgeDerivativeFairValuePerUnit" xml:lang="en-US" id="label_PriceRiskFairValueHedgeDerivativeFairValuePerUnit_3">Mark-to-Market Prices of fair value hedge commodity contracts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PriceRiskFairValueHedgeDerivativeFairValuePerUnit" xlink:to="label_PriceRiskFairValueHedgeDerivativeFairValuePerUnit_3" xlink:title="label: PriceRiskFairValueHedgeDerivativeFairValuePerUnit to label_PriceRiskFairValueHedgeDerivativeFairValuePerUnit" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" xlink:label="PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" xlink:title="PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" />
    <link:label xlink:type="resource" xlink:label="label_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" xml:lang="en-US" id="label_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit">Price Risk Derivative Instruments Not Designated as Hedging Instruments Fair Value Per Unit</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" xlink:to="label_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" xlink:title="label: PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit to label_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" />
    <link:label xlink:type="resource" xlink:label="label_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" xml:lang="en-US" id="label_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit_2">Represents the fair value per unit of all price risk derivatives not designated as hedging instruments.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" xlink:to="label_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit_2" xlink:title="label: PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit to label_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" />
    <link:label xlink:type="resource" xlink:label="label_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit_3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" xml:lang="en-US" id="label_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit_3">Mark-to-Market Prices of non-designated commodity contracts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" xlink:to="label_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit_3" xlink:title="label: PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit to label_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" xlink:label="ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" xlink:title="ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" />
    <link:label xlink:type="resource" xlink:label="label_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" xml:lang="en-US" id="label_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit">Foreign Currency Derivative Instruments Not Designated as Hedging Instruments Fair Value Per Unit</link:label>
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    <link:label xlink:type="resource" xlink:label="label_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" xml:lang="en-US" id="label_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit_2">Represents the fair value per unit of all foreign currency derivatives not designated as hedging instruments.</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommodityContract1Member" xlink:to="label_CommodityContract1Member" xlink:title="label: CommodityContract1Member to label_CommodityContract1Member" />
    <link:label xlink:type="resource" xlink:label="label_CommodityContract1Member_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_CommodityContract1Member" xml:lang="en-US" id="label_CommodityContract1Member_2">Derivative instruments whose primary underlying risk is tied to commodity prices.</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock" xlink:label="ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock" xlink:title="ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherGeneralExpense" xlink:label="OtherGeneralExpense" xlink:title="OtherGeneralExpense" />
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    <link:label xlink:type="resource" xlink:label="label_OtherGeneralExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_OtherGeneralExpense" xml:lang="en-US" id="label_OtherGeneralExpense">Corporate overhead</link:label>
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    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_AcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:label="AcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:title="AcquisitionsAndSignificantAccountingPoliciesAbstract" />
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    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumAfterPurchaseAgreementAmendment" xlink:label="BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumAfterPurchaseAgreementAmendment" xlink:title="BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumAfterPurchaseAgreementAmendment" />
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    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_EarnOutAbstract" xlink:label="EarnOutAbstract" xlink:title="EarnOutAbstract" />
    <link:label xlink:type="resource" xlink:label="label_EarnOutAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EarnOutAbstract" xml:lang="en-US" id="label_EarnOutAbstract">Earn Out [Abstract]</link:label>
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    <link:label xlink:type="resource" xlink:label="label_EarnOutAbstract_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_EarnOutAbstract" xml:lang="en-US" id="label_EarnOutAbstract_2">Earn-out</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarnOutAbstract" xlink:to="label_EarnOutAbstract_2" xlink:title="label: EarnOutAbstract to label_EarnOutAbstract" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin" xlink:label="PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin" xlink:title="PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin" />
    <link:label xlink:type="resource" xlink:label="label_PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin" xml:lang="en-US" id="label_PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin">Percentage of Sold Accounts Receivable Sale Price Equal to before Discount Margin</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin" xlink:to="label_PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin" xlink:title="label: PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin to label_PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin" xlink:to="label_PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin_2" xlink:title="label: PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin to label_PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin" />
    <link:label xlink:type="resource" xlink:label="label_PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin_3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin" xml:lang="en-US" id="label_PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin_3">Percentage of the sold accounts receivable the sales price is equal to before a discount margin (as a percent)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin" xlink:to="label_PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin_3" xlink:title="label: PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin to label_PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_PercentageRateAddedToFloatingMarketRateToGetDiscountMargin" xlink:label="PercentageRateAddedToFloatingMarketRateToGetDiscountMargin" xlink:title="PercentageRateAddedToFloatingMarketRateToGetDiscountMargin" />
    <link:label xlink:type="resource" xlink:label="label_PercentageRateAddedToFloatingMarketRateToGetDiscountMargin" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PercentageRateAddedToFloatingMarketRateToGetDiscountMargin" xml:lang="en-US" id="label_PercentageRateAddedToFloatingMarketRateToGetDiscountMargin">Percentage Rate Added to Floating Market Rate to Get Discount Margin</link:label>
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    <link:label xlink:type="resource" xlink:label="label_PercentageRateAddedToFloatingMarketRateToGetDiscountMargin_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_PercentageRateAddedToFloatingMarketRateToGetDiscountMargin" xml:lang="en-US" id="label_PercentageRateAddedToFloatingMarketRateToGetDiscountMargin_2">Represents the percentage rate added to floating market rate to get discount margin subtracted from sold accounts receivable balance.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageRateAddedToFloatingMarketRateToGetDiscountMargin" xlink:to="label_PercentageRateAddedToFloatingMarketRateToGetDiscountMargin_2" xlink:title="label: PercentageRateAddedToFloatingMarketRateToGetDiscountMargin to label_PercentageRateAddedToFloatingMarketRateToGetDiscountMargin" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageRateAddedToFloatingMarketRateToGetDiscountMargin" xlink:to="label_PercentageRateAddedToFloatingMarketRateToGetDiscountMargin_3" xlink:title="label: PercentageRateAddedToFloatingMarketRateToGetDiscountMargin to label_PercentageRateAddedToFloatingMarketRateToGetDiscountMargin" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingIncomeLossAbstract" xlink:label="OperatingIncomeLossAbstract" xlink:title="OperatingIncomeLossAbstract" />
    <link:label xlink:type="resource" xlink:label="label_OperatingIncomeLossAbstract_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OperatingIncomeLossAbstract" xml:lang="en-US" id="label_OperatingIncomeLossAbstract_2">Operating Income (Loss) [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingIncomeLossAbstract" xlink:to="label_OperatingIncomeLossAbstract_2" xlink:title="label: OperatingIncomeLossAbstract to label_OperatingIncomeLossAbstract" />
    <link:label xlink:type="resource" xlink:label="label_OperatingIncomeLossAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_OperatingIncomeLossAbstract" xml:lang="en-US" id="label_OperatingIncomeLossAbstract">Income from operations:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingIncomeLossAbstract" xlink:to="label_OperatingIncomeLossAbstract" xlink:title="label: OperatingIncomeLossAbstract to label_OperatingIncomeLossAbstract" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_FairValueAssetsLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" xlink:label="FairValueAssetsLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" xlink:title="FairValueAssetsLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" />
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    <link:label xlink:type="resource" xlink:label="label_FairValueAssetsLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_FairValueAssetsLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" xml:lang="en-US" id="label_FairValueAssetsLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock_2">This element represents the disclosure related to assets and liabilities by class, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring and/or nonrecurring basis in periods after initial recognition (for example, impaired assets). The disclosures that may be required or desired include: (a) the fair value measurements recorded during the period and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets or liabilities (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). Where the quoted price in an active market for the identical liability is not available, the Level 1 input is the quoted price of an identical liability when traded as an asset.</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueAssetsLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" xlink:to="label_FairValueAssetsLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock_3" xlink:title="label: FairValueAssetsLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock to label_FairValueAssetsLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_ForeignExchangeContract1Member" xlink:label="ForeignExchangeContract1Member" xlink:title="ForeignExchangeContract1Member" />
    <link:label xlink:type="resource" xlink:label="label_ForeignExchangeContract1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ForeignExchangeContract1Member" xml:lang="en-US" id="label_ForeignExchangeContract1Member">Foreign exchange contracts.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignExchangeContract1Member" xlink:to="label_ForeignExchangeContract1Member" xlink:title="label: ForeignExchangeContract1Member to label_ForeignExchangeContract1Member" />
    <link:label xlink:type="resource" xlink:label="label_ForeignExchangeContract1Member_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ForeignExchangeContract1Member" xml:lang="en-US" id="label_ForeignExchangeContract1Member_2">Derivative instruments whose primary underlying risk is tied to foreign exchange rates.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignExchangeContract1Member" xlink:to="label_ForeignExchangeContract1Member_2" xlink:title="label: ForeignExchangeContract1Member to label_ForeignExchangeContract1Member" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="IncomeTaxDisclosureAbstract" xlink:title="IncomeTaxDisclosureAbstract" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="label_IncomeTaxDisclosureAbstract" xlink:title="label: IncomeTaxDisclosureAbstract to label_IncomeTaxDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock" xlink:label="ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock" xlink:title="ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock" xml:lang="en-US" id="label_ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock">Reconciliation of Revenue, Gross Profit and Income from Operations by Segment to Consolidated [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock" xlink:to="label_ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock" xlink:title="label: ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock to label_ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock" xml:lang="en-US" id="label_ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock_2">Tabular disclosure of revenue, gross profit and income from operations for each reportable segment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock" xlink:to="label_ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock_2" xlink:title="label: ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock to label_ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock_3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock" xml:lang="en-US" id="label_ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock_3">Schedule of revenue, gross profit and income from operations by segment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock" xlink:to="label_ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock_3" xlink:title="label: ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock to label_ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost">Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost_2">Issuance of equity awards to employees in grant of service</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost_2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterestIncreaseFromStockIssuance" xlink:label="MinorityInterestIncreaseFromStockIssuance" xlink:title="MinorityInterestIncreaseFromStockIssuance" />
    <link:label xlink:type="resource" xlink:label="label_MinorityInterestIncreaseFromStockIssuance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_MinorityInterestIncreaseFromStockIssuance" xml:lang="en-US" id="label_MinorityInterestIncreaseFromStockIssuance">Noncontrolling Interest, Increase from Stock Issuance or Sale of Parent Equity Interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MinorityInterestIncreaseFromStockIssuance" xlink:to="label_MinorityInterestIncreaseFromStockIssuance" xlink:title="label: MinorityInterestIncreaseFromStockIssuance to label_MinorityInterestIncreaseFromStockIssuance" />
    <link:label xlink:type="resource" xlink:label="label_MinorityInterestIncreaseFromStockIssuance_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_MinorityInterestIncreaseFromStockIssuance" xml:lang="en-US" id="label_MinorityInterestIncreaseFromStockIssuance_2">Capital contribution for joint ventures</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MinorityInterestIncreaseFromStockIssuance" xlink:to="label_MinorityInterestIncreaseFromStockIssuance_2" xlink:title="label: MinorityInterestIncreaseFromStockIssuance to label_MinorityInterestIncreaseFromStockIssuance" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="DebtDisclosureAbstract" xlink:title="DebtDisclosureAbstract" />
    <link:label xlink:type="resource" xlink:label="label_DebtDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DebtDisclosureAbstract" xml:lang="en-US" id="label_DebtDisclosureAbstract">Debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtDisclosureAbstract" xlink:to="label_DebtDisclosureAbstract" xlink:title="label: DebtDisclosureAbstract to label_DebtDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="DebtDisclosureTextBlock" xlink:title="DebtDisclosureTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_DebtDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DebtDisclosureTextBlock" xml:lang="en-US" id="label_DebtDisclosureTextBlock">Debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtDisclosureTextBlock" xlink:to="label_DebtDisclosureTextBlock" xlink:title="label: DebtDisclosureTextBlock to label_DebtDisclosureTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_DebtDisclosureTextBlock_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DebtDisclosureTextBlock" xml:lang="en-US" id="label_DebtDisclosureTextBlock_2">Debt Disclosure [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtDisclosureTextBlock" xlink:to="label_DebtDisclosureTextBlock_2" xlink:title="label: DebtDisclosureTextBlock to label_DebtDisclosureTextBlock" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_Acquisitions2011Member" xlink:label="Acquisitions2011Member" xlink:title="Acquisitions2011Member" />
    <link:label xlink:type="resource" xlink:label="label_Acquisitions2011Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_Acquisitions2011Member" xml:lang="en-US" id="label_Acquisitions2011Member">2011 Acquisitions</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Acquisitions2011Member" xlink:to="label_Acquisitions2011Member" xlink:title="label: Acquisitions2011Member to label_Acquisitions2011Member" />
    <link:label xlink:type="resource" xlink:label="label_Acquisitions2011Member_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_Acquisitions2011Member" xml:lang="en-US" id="label_Acquisitions2011Member_2">Represents the acquisition of Ascent Aviation Group Inc and other immaterial businesses and Nordic Camp Supply aps.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Acquisitions2011Member" xlink:to="label_Acquisitions2011Member_2" xlink:title="label: Acquisitions2011Member to label_Acquisitions2011Member" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_BusinessAcquisitionPurchasePriceAllocationWorkingCapital" xlink:label="BusinessAcquisitionPurchasePriceAllocationWorkingCapital" xlink:title="BusinessAcquisitionPurchasePriceAllocationWorkingCapital" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionPurchasePriceAllocationWorkingCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BusinessAcquisitionPurchasePriceAllocationWorkingCapital" xml:lang="en-US" id="label_BusinessAcquisitionPurchasePriceAllocationWorkingCapital">Business Acquisition, Purchase Price Allocation Working Capital</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionPurchasePriceAllocationWorkingCapital" xlink:to="label_BusinessAcquisitionPurchasePriceAllocationWorkingCapital" xlink:title="label: BusinessAcquisitionPurchasePriceAllocationWorkingCapital to label_BusinessAcquisitionPurchasePriceAllocationWorkingCapital" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionPurchasePriceAllocationWorkingCapital_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_BusinessAcquisitionPurchasePriceAllocationWorkingCapital" xml:lang="en-US" id="label_BusinessAcquisitionPurchasePriceAllocationWorkingCapital_2">Working capital</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionPurchasePriceAllocationWorkingCapital" xlink:to="label_BusinessAcquisitionPurchasePriceAllocationWorkingCapital_2" xlink:title="label: BusinessAcquisitionPurchasePriceAllocationWorkingCapital to label_BusinessAcquisitionPurchasePriceAllocationWorkingCapital" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionPurchasePriceAllocationWorkingCapital_3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_BusinessAcquisitionPurchasePriceAllocationWorkingCapital" xml:lang="en-US" id="label_BusinessAcquisitionPurchasePriceAllocationWorkingCapital_3">The amount of acquisition cost of a business combination allocated to working capital.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionPurchasePriceAllocationWorkingCapital" xlink:to="label_BusinessAcquisitionPurchasePriceAllocationWorkingCapital_3" xlink:title="label: BusinessAcquisitionPurchasePriceAllocationWorkingCapital to label_BusinessAcquisitionPurchasePriceAllocationWorkingCapital" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2011/currency-2011-01-31.xsd#currency_DKK" xlink:label="DKK" xlink:title="DKK" />
    <link:label xlink:type="resource" xlink:label="label_DKK" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DKK" xml:lang="en-US" id="label_DKK">DKK</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DKK" xlink:to="label_DKK" xlink:title="label: DKK to label_DKK" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2011/currency-2011-01-31.xsd#currency_NOK" xlink:label="NOK" xlink:title="NOK" />
    <link:label xlink:type="resource" xlink:label="label_NOK" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NOK" xml:lang="en-US" id="label_NOK">NOK</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NOK" xlink:to="label_NOK" xlink:title="label: NOK to label_NOK" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2011/currency-2011-01-31.xsd#currency_CZK" xlink:label="CZK" xlink:title="CZK" />
    <link:label xlink:type="resource" xlink:label="label_CZK" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CZK" xml:lang="en-US" id="label_CZK">CZK</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CZK" xlink:to="label_CZK" xlink:title="label: CZK to label_CZK" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2011/currency-2011-01-31.xsd#currency_COP" xlink:label="COP" xlink:title="COP" />
    <link:label xlink:type="resource" xlink:label="label_COP" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_COP" xml:lang="en-US" id="label_COP">COP</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="COP" xlink:to="label_COP" xlink:title="label: COP to label_COP" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2011/currency-2011-01-31.xsd#currency_CHF" xlink:label="CHF" xlink:title="CHF" />
    <link:label xlink:type="resource" xlink:label="label_CHF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CHF" xml:lang="en-US" id="label_CHF">CHF</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CHF" xlink:to="label_CHF" xlink:title="label: CHF to label_CHF" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_ScheduleOfDebtInstrumentsTable" xlink:label="ScheduleOfDebtInstrumentsTable" xlink:title="ScheduleOfDebtInstrumentsTable" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfDebtInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ScheduleOfDebtInstrumentsTable" xml:lang="en-US" id="label_ScheduleOfDebtInstrumentsTable">Schedule of Debt Instruments [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfDebtInstrumentsTable" xlink:to="label_ScheduleOfDebtInstrumentsTable" xlink:title="label: ScheduleOfDebtInstrumentsTable to label_ScheduleOfDebtInstrumentsTable" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfDebtInstrumentsTable_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ScheduleOfDebtInstrumentsTable" xml:lang="en-US" id="label_ScheduleOfDebtInstrumentsTable_2">A table or schedule providing information pertaining to short-term and long-term debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary for a fair presentation.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfDebtInstrumentsTable" xlink:to="label_ScheduleOfDebtInstrumentsTable_2" xlink:title="label: ScheduleOfDebtInstrumentsTable to label_ScheduleOfDebtInstrumentsTable" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="DebtInstrumentAxis" xlink:title="DebtInstrumentAxis" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DebtInstrumentAxis" xml:lang="en-US" id="label_DebtInstrumentAxis">Debt Instrument [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentAxis" xlink:to="label_DebtInstrumentAxis" xlink:title="label: DebtInstrumentAxis to label_DebtInstrumentAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="DebtInstrumentNameDomain" xlink:title="DebtInstrumentNameDomain" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DebtInstrumentNameDomain" xml:lang="en-US" id="label_DebtInstrumentNameDomain">Debt Instrument, Name [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentNameDomain" xlink:to="label_DebtInstrumentNameDomain" xlink:title="label: DebtInstrumentNameDomain to label_DebtInstrumentNameDomain" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_CreditFacilityMember" xlink:label="CreditFacilityMember" xlink:title="CreditFacilityMember" />
    <link:label xlink:type="resource" xlink:label="label_CreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CreditFacilityMember" xml:lang="en-US" id="label_CreditFacilityMember">Credit facility</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CreditFacilityMember" xlink:to="label_CreditFacilityMember" xlink:title="label: CreditFacilityMember to label_CreditFacilityMember" />
    <link:label xlink:type="resource" xlink:label="label_CreditFacilityMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_CreditFacilityMember" xml:lang="en-US" id="label_CreditFacilityMember_2">Details pertaining to the credit facility available to the entity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CreditFacilityMember" xlink:to="label_CreditFacilityMember_2" xlink:title="label: CreditFacilityMember to label_CreditFacilityMember" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_DebtInstrumentVariableRateBaseAxis" xlink:label="DebtInstrumentVariableRateBaseAxis" xlink:title="DebtInstrumentVariableRateBaseAxis" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentVariableRateBaseAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DebtInstrumentVariableRateBaseAxis" xml:lang="en-US" id="label_DebtInstrumentVariableRateBaseAxis">Debt Instrument, Variable Rate Base [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentVariableRateBaseAxis" xlink:to="label_DebtInstrumentVariableRateBaseAxis" xlink:title="label: DebtInstrumentVariableRateBaseAxis to label_DebtInstrumentVariableRateBaseAxis" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentVariableRateBaseAxis_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_DebtInstrumentVariableRateBaseAxis" xml:lang="en-US" id="label_DebtInstrumentVariableRateBaseAxis_2">The alternative reference rates that may be used to calculate the variable interest rate of the debt instrument.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentVariableRateBaseAxis" xlink:to="label_DebtInstrumentVariableRateBaseAxis_2" xlink:title="label: DebtInstrumentVariableRateBaseAxis to label_DebtInstrumentVariableRateBaseAxis" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_DebtInstrumentVariableRateBaseDomain" xlink:label="DebtInstrumentVariableRateBaseDomain" xlink:title="DebtInstrumentVariableRateBaseDomain" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentVariableRateBaseDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_DebtInstrumentVariableRateBaseDomain" xml:lang="en-US" id="label_DebtInstrumentVariableRateBaseDomain">Identification of the reference rate that is used to calculate the variable interest rate of the debt instrument.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentVariableRateBaseDomain" xlink:to="label_DebtInstrumentVariableRateBaseDomain" xlink:title="label: DebtInstrumentVariableRateBaseDomain to label_DebtInstrumentVariableRateBaseDomain" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentVariableRateBaseDomain_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DebtInstrumentVariableRateBaseDomain" xml:lang="en-US" id="label_DebtInstrumentVariableRateBaseDomain_2">Debt Instrument, Variable Rate Base [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentVariableRateBaseDomain" xlink:to="label_DebtInstrumentVariableRateBaseDomain_2" xlink:title="label: DebtInstrumentVariableRateBaseDomain to label_DebtInstrumentVariableRateBaseDomain" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_DebtInstrumentVariableRateBaseRateLoanMember" xlink:label="DebtInstrumentVariableRateBaseRateLoanMember" xlink:title="DebtInstrumentVariableRateBaseRateLoanMember" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentVariableRateBaseRateLoanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DebtInstrumentVariableRateBaseRateLoanMember" xml:lang="en-US" id="label_DebtInstrumentVariableRateBaseRateLoanMember">Base Rate Loans</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentVariableRateBaseRateLoanMember" xlink:to="label_DebtInstrumentVariableRateBaseRateLoanMember" xlink:title="label: DebtInstrumentVariableRateBaseRateLoanMember to label_DebtInstrumentVariableRateBaseRateLoanMember" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentVariableRateBaseRateLoanMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_DebtInstrumentVariableRateBaseRateLoanMember" xml:lang="en-US" id="label_DebtInstrumentVariableRateBaseRateLoanMember_2">The base rate loans used to calculate the variable interest rate of the debt instrument.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentVariableRateBaseRateLoanMember" xlink:to="label_DebtInstrumentVariableRateBaseRateLoanMember_2" xlink:title="label: DebtInstrumentVariableRateBaseRateLoanMember to label_DebtInstrumentVariableRateBaseRateLoanMember" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_DebtInstrumentVariableEurodollarRateLoansMember" xlink:label="DebtInstrumentVariableEurodollarRateLoansMember" xlink:title="DebtInstrumentVariableEurodollarRateLoansMember" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentVariableEurodollarRateLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DebtInstrumentVariableEurodollarRateLoansMember" xml:lang="en-US" id="label_DebtInstrumentVariableEurodollarRateLoansMember">Eurodollar Rate Loans</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentVariableEurodollarRateLoansMember" xlink:to="label_DebtInstrumentVariableEurodollarRateLoansMember" xlink:title="label: DebtInstrumentVariableEurodollarRateLoansMember to label_DebtInstrumentVariableEurodollarRateLoansMember" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentVariableEurodollarRateLoansMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_DebtInstrumentVariableEurodollarRateLoansMember" xml:lang="en-US" id="label_DebtInstrumentVariableEurodollarRateLoansMember_2">The Eurodollar rate loans used to calculate the variable interest rate of the debt instrument.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentVariableEurodollarRateLoansMember" xlink:to="label_DebtInstrumentVariableEurodollarRateLoansMember_2" xlink:title="label: DebtInstrumentVariableEurodollarRateLoansMember to label_DebtInstrumentVariableEurodollarRateLoansMember" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="DebtInstrumentLineItems" xlink:title="DebtInstrumentLineItems" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DebtInstrumentLineItems" xml:lang="en-US" id="label_DebtInstrumentLineItems">Debt Instrument [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentLineItems" xlink:to="label_DebtInstrumentLineItems" xlink:title="label: DebtInstrumentLineItems to label_DebtInstrumentLineItems" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentLineItems_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DebtInstrumentLineItems" xml:lang="en-US" id="label_DebtInstrumentLineItems_2">Debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentLineItems" xlink:to="label_DebtInstrumentLineItems_2" xlink:title="label: DebtInstrumentLineItems to label_DebtInstrumentLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate" xlink:label="DebtInstrumentBasisSpreadOnVariableRate" xlink:title="DebtInstrumentBasisSpreadOnVariableRate" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentBasisSpreadOnVariableRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DebtInstrumentBasisSpreadOnVariableRate" xml:lang="en-US" id="label_DebtInstrumentBasisSpreadOnVariableRate">Basis points added to reference rate (as a percent)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentBasisSpreadOnVariableRate" xlink:to="label_DebtInstrumentBasisSpreadOnVariableRate" xlink:title="label: DebtInstrumentBasisSpreadOnVariableRate to label_DebtInstrumentBasisSpreadOnVariableRate" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentBasisSpreadOnVariableRate_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DebtInstrumentBasisSpreadOnVariableRate" xml:lang="en-US" id="label_DebtInstrumentBasisSpreadOnVariableRate_2">Debt Instrument, Basis Spread on Variable Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentBasisSpreadOnVariableRate" xlink:to="label_DebtInstrumentBasisSpreadOnVariableRate_2" xlink:title="label: DebtInstrumentBasisSpreadOnVariableRate to label_DebtInstrumentBasisSpreadOnVariableRate" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="DebtInstrumentDescriptionOfVariableRateBasis" xlink:title="DebtInstrumentDescriptionOfVariableRateBasis" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentDescriptionOfVariableRateBasis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DebtInstrumentDescriptionOfVariableRateBasis" xml:lang="en-US" id="label_DebtInstrumentDescriptionOfVariableRateBasis">Variable rate basis</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentDescriptionOfVariableRateBasis" xlink:to="label_DebtInstrumentDescriptionOfVariableRateBasis" xlink:title="label: DebtInstrumentDescriptionOfVariableRateBasis to label_DebtInstrumentDescriptionOfVariableRateBasis" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentDescriptionOfVariableRateBasis_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DebtInstrumentDescriptionOfVariableRateBasis" xml:lang="en-US" id="label_DebtInstrumentDescriptionOfVariableRateBasis_2">Debt Instrument, Description of Variable Rate Basis</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentDescriptionOfVariableRateBasis" xlink:to="label_DebtInstrumentDescriptionOfVariableRateBasis_2" xlink:title="label: DebtInstrumentDescriptionOfVariableRateBasis to label_DebtInstrumentDescriptionOfVariableRateBasis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityCommitmentFeePercentage" xlink:label="LineOfCreditFacilityCommitmentFeePercentage" xlink:title="LineOfCreditFacilityCommitmentFeePercentage" />
    <link:label xlink:type="resource" xlink:label="label_LineOfCreditFacilityCommitmentFeePercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LineOfCreditFacilityCommitmentFeePercentage" xml:lang="en-US" id="label_LineOfCreditFacilityCommitmentFeePercentage">Letters of credit fees (as a percent)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LineOfCreditFacilityCommitmentFeePercentage" xlink:to="label_LineOfCreditFacilityCommitmentFeePercentage" xlink:title="label: LineOfCreditFacilityCommitmentFeePercentage to label_LineOfCreditFacilityCommitmentFeePercentage" />
    <link:label xlink:type="resource" xlink:label="label_LineOfCreditFacilityCommitmentFeePercentage_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LineOfCreditFacilityCommitmentFeePercentage" xml:lang="en-US" id="label_LineOfCreditFacilityCommitmentFeePercentage_2">Line of Credit Facility, Commitment Fee Percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LineOfCreditFacilityCommitmentFeePercentage" xlink:to="label_LineOfCreditFacilityCommitmentFeePercentage_2" xlink:title="label: LineOfCreditFacilityCommitmentFeePercentage to label_LineOfCreditFacilityCommitmentFeePercentage" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:label="LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:title="LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" />
    <link:label xlink:type="resource" xlink:label="label_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xml:lang="en-US" id="label_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage">Commitment fee on the unused portion of the credit facility (as a percent)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:to="label_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:title="label: LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage to label_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" />
    <link:label xlink:type="resource" xlink:label="label_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xml:lang="en-US" id="label_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_2">Line of Credit Facility, Unused Capacity, Commitment Fee Percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:to="label_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_2" xlink:title="label: LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage to label_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:label="LineOfCreditFacilityAmountOutstanding" xlink:title="LineOfCreditFacilityAmountOutstanding" />
    <link:label xlink:type="resource" xlink:label="label_LineOfCreditFacilityAmountOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LineOfCreditFacilityAmountOutstanding" xml:lang="en-US" id="label_LineOfCreditFacilityAmountOutstanding">Outstanding amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LineOfCreditFacilityAmountOutstanding" xlink:to="label_LineOfCreditFacilityAmountOutstanding" xlink:title="label: LineOfCreditFacilityAmountOutstanding to label_LineOfCreditFacilityAmountOutstanding" />
    <link:label xlink:type="resource" xlink:label="label_LineOfCreditFacilityAmountOutstanding_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LineOfCreditFacilityAmountOutstanding" xml:lang="en-US" id="label_LineOfCreditFacilityAmountOutstanding_2">Line of Credit Facility, Amount Outstanding</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LineOfCreditFacilityAmountOutstanding" xlink:to="label_LineOfCreditFacilityAmountOutstanding_2" xlink:title="label: LineOfCreditFacilityAmountOutstanding to label_LineOfCreditFacilityAmountOutstanding" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="LettersOfCreditOutstandingAmount" xlink:title="LettersOfCreditOutstandingAmount" />
    <link:label xlink:type="resource" xlink:label="label_LettersOfCreditOutstandingAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LettersOfCreditOutstandingAmount" xml:lang="en-US" id="label_LettersOfCreditOutstandingAmount">Letters of credit, outstanding amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LettersOfCreditOutstandingAmount" xlink:to="label_LettersOfCreditOutstandingAmount" xlink:title="label: LettersOfCreditOutstandingAmount to label_LettersOfCreditOutstandingAmount" />
    <link:label xlink:type="resource" xlink:label="label_LettersOfCreditOutstandingAmount_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LettersOfCreditOutstandingAmount" xml:lang="en-US" id="label_LettersOfCreditOutstandingAmount_2">Letters of Credit Outstanding, Amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LettersOfCreditOutstandingAmount" xlink:to="label_LettersOfCreditOutstandingAmount_2" xlink:title="label: LettersOfCreditOutstandingAmount to label_LettersOfCreditOutstandingAmount" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherIncomeAndExpensesAbstract" xlink:label="OtherIncomeAndExpensesAbstract" xlink:title="OtherIncomeAndExpensesAbstract" />
    <link:label xlink:type="resource" xlink:label="label_OtherIncomeAndExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OtherIncomeAndExpensesAbstract" xml:lang="en-US" id="label_OtherIncomeAndExpensesAbstract">Interest Income, Expense and Other Financing Costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherIncomeAndExpensesAbstract" xlink:to="label_OtherIncomeAndExpensesAbstract" xlink:title="label: OtherIncomeAndExpensesAbstract to label_OtherIncomeAndExpensesAbstract" />
    <link:label xlink:type="resource" xlink:label="label_OtherIncomeAndExpensesAbstract_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_OtherIncomeAndExpensesAbstract" xml:lang="en-US" id="label_OtherIncomeAndExpensesAbstract_2">Interest income, expense and Other financing costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherIncomeAndExpensesAbstract" xlink:to="label_OtherIncomeAndExpensesAbstract_2" xlink:title="label: OtherIncomeAndExpensesAbstract to label_OtherIncomeAndExpensesAbstract" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_LineOfCreditTerm" xlink:label="LineOfCreditTerm" xlink:title="LineOfCreditTerm" />
    <link:label xlink:type="resource" xlink:label="label_LineOfCreditTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LineOfCreditTerm" xml:lang="en-US" id="label_LineOfCreditTerm">Line of Credit Term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LineOfCreditTerm" xlink:to="label_LineOfCreditTerm" xlink:title="label: LineOfCreditTerm to label_LineOfCreditTerm" />
    <link:label xlink:type="resource" xlink:label="label_LineOfCreditTerm_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LineOfCreditTerm" xml:lang="en-US" id="label_LineOfCreditTerm_2">Term of loan (in years)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LineOfCreditTerm" xlink:to="label_LineOfCreditTerm_2" xlink:title="label: LineOfCreditTerm to label_LineOfCreditTerm" />
    <link:label xlink:type="resource" xlink:label="label_LineOfCreditTerm_3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_LineOfCreditTerm" xml:lang="en-US" id="label_LineOfCreditTerm_3">The term of the line of credit facility.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LineOfCreditTerm" xlink:to="label_LineOfCreditTerm_3" xlink:title="label: LineOfCreditTerm to label_LineOfCreditTerm" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NumberOfBusinessesAcquired" xlink:label="NumberOfBusinessesAcquired" xlink:title="NumberOfBusinessesAcquired" />
    <link:label xlink:type="resource" xlink:label="label_NumberOfBusinessesAcquired" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_NumberOfBusinessesAcquired" xml:lang="en-US" id="label_NumberOfBusinessesAcquired">Number of businesses acquired</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfBusinessesAcquired" xlink:to="label_NumberOfBusinessesAcquired" xlink:title="label: NumberOfBusinessesAcquired to label_NumberOfBusinessesAcquired" />
    <link:label xlink:type="resource" xlink:label="label_NumberOfBusinessesAcquired_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NumberOfBusinessesAcquired" xml:lang="en-US" id="label_NumberOfBusinessesAcquired_2">Number of Businesses Acquired</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfBusinessesAcquired" xlink:to="label_NumberOfBusinessesAcquired_2" xlink:title="label: NumberOfBusinessesAcquired to label_NumberOfBusinessesAcquired" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GoodwillPurchaseAccountingAdjustments" xlink:label="GoodwillPurchaseAccountingAdjustments" xlink:title="GoodwillPurchaseAccountingAdjustments" />
    <link:label xlink:type="resource" xlink:label="label_GoodwillPurchaseAccountingAdjustments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_GoodwillPurchaseAccountingAdjustments" xml:lang="en-US" id="label_GoodwillPurchaseAccountingAdjustments">Increase (decrease) in goodwill</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GoodwillPurchaseAccountingAdjustments" xlink:to="label_GoodwillPurchaseAccountingAdjustments" xlink:title="label: GoodwillPurchaseAccountingAdjustments to label_GoodwillPurchaseAccountingAdjustments" />
    <link:label xlink:type="resource" xlink:label="label_GoodwillPurchaseAccountingAdjustments_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_GoodwillPurchaseAccountingAdjustments" xml:lang="en-US" id="label_GoodwillPurchaseAccountingAdjustments_2">Goodwill, Purchase Accounting Adjustments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GoodwillPurchaseAccountingAdjustments" xlink:to="label_GoodwillPurchaseAccountingAdjustments_2" xlink:title="label: GoodwillPurchaseAccountingAdjustments to label_GoodwillPurchaseAccountingAdjustments" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xlink:label="BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xlink:title="BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xml:lang="en-US" id="label_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract">Puchase price allocation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xlink:to="label_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xlink:title="label: BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract to label_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xml:lang="en-US" id="label_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract_2">Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xlink:to="label_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract_2" xlink:title="label: BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract to label_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="UnsecuredDebtMember" xlink:title="UnsecuredDebtMember" />
    <link:label xlink:type="resource" xlink:label="label_UnsecuredDebtMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_UnsecuredDebtMember" xml:lang="en-US" id="label_UnsecuredDebtMember">Senior revolving credit facility due July 2016</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UnsecuredDebtMember" xlink:to="label_UnsecuredDebtMember" xlink:title="label: UnsecuredDebtMember to label_UnsecuredDebtMember" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="LineOfCreditFacilityRemainingBorrowingCapacity" xlink:title="LineOfCreditFacilityRemainingBorrowingCapacity" />
    <link:label xlink:type="resource" xlink:label="label_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LineOfCreditFacilityRemainingBorrowingCapacity" xml:lang="en-US" id="label_LineOfCreditFacilityRemainingBorrowingCapacity">Available borrowing capacity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LineOfCreditFacilityRemainingBorrowingCapacity" xlink:to="label_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:title="label: LineOfCreditFacilityRemainingBorrowingCapacity to label_LineOfCreditFacilityRemainingBorrowingCapacity" />
    <link:label xlink:type="resource" xlink:label="label_LineOfCreditFacilityRemainingBorrowingCapacity_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LineOfCreditFacilityRemainingBorrowingCapacity" xml:lang="en-US" id="label_LineOfCreditFacilityRemainingBorrowingCapacity_2">Line of Credit Facility, Remaining Borrowing Capacity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LineOfCreditFacilityRemainingBorrowingCapacity" xlink:to="label_LineOfCreditFacilityRemainingBorrowingCapacity_2" xlink:title="label: LineOfCreditFacilityRemainingBorrowingCapacity to label_LineOfCreditFacilityRemainingBorrowingCapacity" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentIncreaseAdditionalBorrowings" xlink:label="DebtInstrumentIncreaseAdditionalBorrowings" xlink:title="DebtInstrumentIncreaseAdditionalBorrowings" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentIncreaseAdditionalBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DebtInstrumentIncreaseAdditionalBorrowings" xml:lang="en-US" id="label_DebtInstrumentIncreaseAdditionalBorrowings">Term loan borrowing</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentIncreaseAdditionalBorrowings" xlink:to="label_DebtInstrumentIncreaseAdditionalBorrowings" xlink:title="label: DebtInstrumentIncreaseAdditionalBorrowings to label_DebtInstrumentIncreaseAdditionalBorrowings" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentIncreaseAdditionalBorrowings_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DebtInstrumentIncreaseAdditionalBorrowings" xml:lang="en-US" id="label_DebtInstrumentIncreaseAdditionalBorrowings_2">Debt Instrument, Increase, Additional Borrowings</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentIncreaseAdditionalBorrowings" xlink:to="label_DebtInstrumentIncreaseAdditionalBorrowings_2" xlink:title="label: DebtInstrumentIncreaseAdditionalBorrowings to label_DebtInstrumentIncreaseAdditionalBorrowings" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_AccruedExpensesAndOtherCurrentLiabilitiesNoncash" xlink:label="AccruedExpensesAndOtherCurrentLiabilitiesNoncash" xlink:title="AccruedExpensesAndOtherCurrentLiabilitiesNoncash" />
    <link:label xlink:type="resource" xlink:label="label_AccruedExpensesAndOtherCurrentLiabilitiesNoncash" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AccruedExpensesAndOtherCurrentLiabilitiesNoncash" xml:lang="en-US" id="label_AccruedExpensesAndOtherCurrentLiabilitiesNoncash">Accrued Expenses and Other Current Liabilities Noncash</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccruedExpensesAndOtherCurrentLiabilitiesNoncash" xlink:to="label_AccruedExpensesAndOtherCurrentLiabilitiesNoncash" xlink:title="label: AccruedExpensesAndOtherCurrentLiabilitiesNoncash to label_AccruedExpensesAndOtherCurrentLiabilitiesNoncash" />
    <link:label xlink:type="resource" xlink:label="label_AccruedExpensesAndOtherCurrentLiabilitiesNoncash_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_AccruedExpensesAndOtherCurrentLiabilitiesNoncash" xml:lang="en-US" id="label_AccruedExpensesAndOtherCurrentLiabilitiesNoncash_2">Amount of accrued expenses and other current liabilities forming a part of non cash financing or investing activities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccruedExpensesAndOtherCurrentLiabilitiesNoncash" xlink:to="label_AccruedExpensesAndOtherCurrentLiabilitiesNoncash_2" xlink:title="label: AccruedExpensesAndOtherCurrentLiabilitiesNoncash to label_AccruedExpensesAndOtherCurrentLiabilitiesNoncash" />
    <link:label xlink:type="resource" xlink:label="label_AccruedExpensesAndOtherCurrentLiabilitiesNoncash_3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AccruedExpensesAndOtherCurrentLiabilitiesNoncash" xml:lang="en-US" id="label_AccruedExpensesAndOtherCurrentLiabilitiesNoncash_3">Capital expenditure current accrual</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccruedExpensesAndOtherCurrentLiabilitiesNoncash" xlink:to="label_AccruedExpensesAndOtherCurrentLiabilitiesNoncash_3" xlink:title="label: AccruedExpensesAndOtherCurrentLiabilitiesNoncash to label_AccruedExpensesAndOtherCurrentLiabilitiesNoncash" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_OtherLongTermLiabilitiesNoncash" xlink:label="OtherLongTermLiabilitiesNoncash" xlink:title="OtherLongTermLiabilitiesNoncash" />
    <link:label xlink:type="resource" xlink:label="label_OtherLongTermLiabilitiesNoncash" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_OtherLongTermLiabilitiesNoncash" xml:lang="en-US" id="label_OtherLongTermLiabilitiesNoncash">Capital expenditure noncurrent accrual</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherLongTermLiabilitiesNoncash" xlink:to="label_OtherLongTermLiabilitiesNoncash" xlink:title="label: OtherLongTermLiabilitiesNoncash to label_OtherLongTermLiabilitiesNoncash" />
    <link:label xlink:type="resource" xlink:label="label_OtherLongTermLiabilitiesNoncash_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OtherLongTermLiabilitiesNoncash" xml:lang="en-US" id="label_OtherLongTermLiabilitiesNoncash_2">Other Long-term Liabilities Noncash</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherLongTermLiabilitiesNoncash" xlink:to="label_OtherLongTermLiabilitiesNoncash_2" xlink:title="label: OtherLongTermLiabilitiesNoncash to label_OtherLongTermLiabilitiesNoncash" />
    <link:label xlink:type="resource" xlink:label="label_OtherLongTermLiabilitiesNoncash_3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_OtherLongTermLiabilitiesNoncash" xml:lang="en-US" id="label_OtherLongTermLiabilitiesNoncash_3">Amount of other long term liabilities forming a part of non cash financing or investing activities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherLongTermLiabilitiesNoncash" xlink:to="label_OtherLongTermLiabilitiesNoncash_3" xlink:title="label: OtherLongTermLiabilitiesNoncash to label_OtherLongTermLiabilitiesNoncash" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="LineOfCreditFacilityMaximumBorrowingCapacity" xlink:title="LineOfCreditFacilityMaximumBorrowingCapacity" />
    <link:label xlink:type="resource" xlink:label="label_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LineOfCreditFacilityMaximumBorrowingCapacity" xml:lang="en-US" id="label_LineOfCreditFacilityMaximumBorrowingCapacity">Maximum borrowing capacity on term loans</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="label_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:title="label: LineOfCreditFacilityMaximumBorrowingCapacity to label_LineOfCreditFacilityMaximumBorrowingCapacity" />
    <link:label xlink:type="resource" xlink:label="label_LineOfCreditFacilityMaximumBorrowingCapacity_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LineOfCreditFacilityMaximumBorrowingCapacity" xml:lang="en-US" id="label_LineOfCreditFacilityMaximumBorrowingCapacity_2">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="label_LineOfCreditFacilityMaximumBorrowingCapacity_2" xlink:title="label: LineOfCreditFacilityMaximumBorrowingCapacity to label_LineOfCreditFacilityMaximumBorrowingCapacity" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireNotesReceivable" xlink:label="PaymentsToAcquireNotesReceivable" xlink:title="PaymentsToAcquireNotesReceivable" />
    <link:label xlink:type="resource" xlink:label="label_PaymentsToAcquireNotesReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PaymentsToAcquireNotesReceivable" xml:lang="en-US" id="label_PaymentsToAcquireNotesReceivable">Payments to Acquire Notes Receivable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquireNotesReceivable" xlink:to="label_PaymentsToAcquireNotesReceivable" xlink:title="label: PaymentsToAcquireNotesReceivable to label_PaymentsToAcquireNotesReceivable" />
    <link:label xlink:type="resource" xlink:label="label_PaymentsToAcquireNotesReceivable_2" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_PaymentsToAcquireNotesReceivable" xml:lang="en-US" id="label_PaymentsToAcquireNotesReceivable_2">Issuance of short term note receivable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquireNotesReceivable" xlink:to="label_PaymentsToAcquireNotesReceivable_2" xlink:title="label: PaymentsToAcquireNotesReceivable to label_PaymentsToAcquireNotesReceivable" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromCollectionOfNotesReceivable" xlink:label="ProceedsFromCollectionOfNotesReceivable" xlink:title="ProceedsFromCollectionOfNotesReceivable" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromCollectionOfNotesReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ProceedsFromCollectionOfNotesReceivable" xml:lang="en-US" id="label_ProceedsFromCollectionOfNotesReceivable">Proceeds from Collection of Notes Receivable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromCollectionOfNotesReceivable" xlink:to="label_ProceedsFromCollectionOfNotesReceivable" xlink:title="label: ProceedsFromCollectionOfNotesReceivable to label_ProceedsFromCollectionOfNotesReceivable" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromCollectionOfNotesReceivable_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ProceedsFromCollectionOfNotesReceivable" xml:lang="en-US" id="label_ProceedsFromCollectionOfNotesReceivable_2">Repayment of short term note receivable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromCollectionOfNotesReceivable" xlink:to="label_ProceedsFromCollectionOfNotesReceivable_2" xlink:title="label: ProceedsFromCollectionOfNotesReceivable to label_ProceedsFromCollectionOfNotesReceivable" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireShortTermInvestments" xlink:label="PaymentsToAcquireShortTermInvestments" xlink:title="PaymentsToAcquireShortTermInvestments" />
    <link:label xlink:type="resource" xlink:label="label_PaymentsToAcquireShortTermInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PaymentsToAcquireShortTermInvestments" xml:lang="en-US" id="label_PaymentsToAcquireShortTermInvestments">Payments to Acquire Short-term Investments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquireShortTermInvestments" xlink:to="label_PaymentsToAcquireShortTermInvestments" xlink:title="label: PaymentsToAcquireShortTermInvestments to label_PaymentsToAcquireShortTermInvestments" />
    <link:label xlink:type="resource" xlink:label="label_PaymentsToAcquireShortTermInvestments_2" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_PaymentsToAcquireShortTermInvestments" xml:lang="en-US" id="label_PaymentsToAcquireShortTermInvestments_2">Purchase of short-term investments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquireShortTermInvestments" xlink:to="label_PaymentsToAcquireShortTermInvestments_2" xlink:title="label: PaymentsToAcquireShortTermInvestments to label_PaymentsToAcquireShortTermInvestments" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleOfShortTermInvestments" xlink:label="ProceedsFromSaleOfShortTermInvestments" xlink:title="ProceedsFromSaleOfShortTermInvestments" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromSaleOfShortTermInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ProceedsFromSaleOfShortTermInvestments" xml:lang="en-US" id="label_ProceedsFromSaleOfShortTermInvestments">Proceeds from Sale of Short-term Investments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromSaleOfShortTermInvestments" xlink:to="label_ProceedsFromSaleOfShortTermInvestments" xlink:title="label: ProceedsFromSaleOfShortTermInvestments to label_ProceedsFromSaleOfShortTermInvestments" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromSaleOfShortTermInvestments_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ProceedsFromSaleOfShortTermInvestments" xml:lang="en-US" id="label_ProceedsFromSaleOfShortTermInvestments_2">Proceeds from the sale of short-term investments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromSaleOfShortTermInvestments" xlink:to="label_ProceedsFromSaleOfShortTermInvestments_2" xlink:title="label: ProceedsFromSaleOfShortTermInvestments to label_ProceedsFromSaleOfShortTermInvestments" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_PaymentOfAssumedEmployeeBenefits" xlink:label="PaymentOfAssumedEmployeeBenefits" xlink:title="PaymentOfAssumedEmployeeBenefits" />
    <link:label xlink:type="resource" xlink:label="label_PaymentOfAssumedEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PaymentOfAssumedEmployeeBenefits" xml:lang="en-US" id="label_PaymentOfAssumedEmployeeBenefits">Payment of Assumed Employee Benefits</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentOfAssumedEmployeeBenefits" xlink:to="label_PaymentOfAssumedEmployeeBenefits" xlink:title="label: PaymentOfAssumedEmployeeBenefits to label_PaymentOfAssumedEmployeeBenefits" />
    <link:label xlink:type="resource" xlink:label="label_PaymentOfAssumedEmployeeBenefits_2" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_PaymentOfAssumedEmployeeBenefits" xml:lang="en-US" id="label_PaymentOfAssumedEmployeeBenefits_2">Payment of assumed employee benefits</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentOfAssumedEmployeeBenefits" xlink:to="label_PaymentOfAssumedEmployeeBenefits_2" xlink:title="label: PaymentOfAssumedEmployeeBenefits to label_PaymentOfAssumedEmployeeBenefits" />
    <link:label xlink:type="resource" xlink:label="label_PaymentOfAssumedEmployeeBenefits_3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_PaymentOfAssumedEmployeeBenefits" xml:lang="en-US" id="label_PaymentOfAssumedEmployeeBenefits_3">Represents the cash outflow associated with the payment of assumed employee benefits that was paid on behalf of the seller subsequent to the closing of the related acqusition during the reporting period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentOfAssumedEmployeeBenefits" xlink:to="label_PaymentOfAssumedEmployeeBenefits_3" xlink:title="label: PaymentOfAssumedEmployeeBenefits to label_PaymentOfAssumedEmployeeBenefits" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsUsefulLife" xlink:label="FiniteLivedIntangibleAssetsUsefulLife" xlink:title="FiniteLivedIntangibleAssetsUsefulLife" />
    <link:label xlink:type="resource" xlink:label="label_FiniteLivedIntangibleAssetsUsefulLife" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_FiniteLivedIntangibleAssetsUsefulLife" xml:lang="en-US" id="label_FiniteLivedIntangibleAssetsUsefulLife">Amortization period of identifiable intangible assets (in years)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedIntangibleAssetsUsefulLife" xlink:to="label_FiniteLivedIntangibleAssetsUsefulLife" xlink:title="label: FiniteLivedIntangibleAssetsUsefulLife to label_FiniteLivedIntangibleAssetsUsefulLife" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree" xlink:label="BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree" xlink:title="BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree" xml:lang="en-US" id="label_BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree">Represents the amounts due to sellers that has been preliminarily allocated to the assets acquired and liabilities assumed.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree" xlink:to="label_BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree" xlink:title="label: BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree to label_BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree" xml:lang="en-US" id="label_BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree_2">Business Acquisition Cost of Acquired Entity Amount Due to Acquiree</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree" xlink:to="label_BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree_2" xlink:title="label: BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree to label_BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree" />
    <link:label xlink:type="resource" xlink:label="label_BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree_3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree" xml:lang="en-US" id="label_BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree_3">Amount due to sellers</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree" xlink:to="label_BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree_3" xlink:title="label: BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree to label_BusinessAcquisitionCostOfAcquiredEntityAmountDueToAcquiree" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_FiniteLivedIntangibleAssetUsefulLife" xlink:label="FiniteLivedIntangibleAssetUsefulLife" xlink:title="FiniteLivedIntangibleAssetUsefulLife" />
    <link:label xlink:type="resource" xlink:label="label_FiniteLivedIntangibleAssetUsefulLife" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FiniteLivedIntangibleAssetUsefulLife" xml:lang="en-US" id="label_FiniteLivedIntangibleAssetUsefulLife">Finite Lived Intangible Asset Useful Life</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedIntangibleAssetUsefulLife" xlink:to="label_FiniteLivedIntangibleAssetUsefulLife" xlink:title="label: FiniteLivedIntangibleAssetUsefulLife to label_FiniteLivedIntangibleAssetUsefulLife" />
    <link:label xlink:type="resource" xlink:label="label_FiniteLivedIntangibleAssetUsefulLife_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_FiniteLivedIntangibleAssetUsefulLife" xml:lang="en-US" id="label_FiniteLivedIntangibleAssetUsefulLife_2">The useful life of finite-lived intangible assets.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedIntangibleAssetUsefulLife" xlink:to="label_FiniteLivedIntangibleAssetUsefulLife_2" xlink:title="label: FiniteLivedIntangibleAssetUsefulLife to label_FiniteLivedIntangibleAssetUsefulLife" />
    <link:label xlink:type="resource" xlink:label="label_FiniteLivedIntangibleAssetUsefulLife_3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_FiniteLivedIntangibleAssetUsefulLife" xml:lang="en-US" id="label_FiniteLivedIntangibleAssetUsefulLife_3">Amortization period of identifiable intangible assets (in years)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedIntangibleAssetUsefulLife" xlink:to="label_FiniteLivedIntangibleAssetUsefulLife_3" xlink:title="label: FiniteLivedIntangibleAssetUsefulLife to label_FiniteLivedIntangibleAssetUsefulLife" />
    <link:loc xlink:type="locator" xlink:href="int-20110630.xsd#int_PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMarginLowEndOfRange" xlink:label="PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMarginLowEndOfRange" xlink:title="PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMarginLowEndOfRange" />
    <link:label xlink:type="resource" xlink:label="label_PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMarginLowEndOfRange" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMarginLowEndOfRange" xml:lang="en-US" id="label_PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMarginLowEndOfRange">Percentage of Sold Accounts Receivable Sale Price Equal to Before Discount Margin, Low End of Range</link:label>
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