<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2021 Workiva-->
<!--r:101e1d28-91ee-4ebc-a182-023f7e8b8563,g:b50351d2-4d32-4ff6-a106-828fa16768bb-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.wfscorp.com/role/CoverPageDocument" xlink:type="simple" xlink:href="int-20210715.xsd#CoverPageDocument"/>
  <link:presentationLink xlink:role="http://www.wfscorp.com/role/CoverPageDocument" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_6fd469cf-496b-45ba-b431-66519b9b1991" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_d17b8537-01a7-4065-9600-9e60cc3417dd" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6fd469cf-496b-45ba-b431-66519b9b1991" xlink:to="loc_dei_EntityCentralIndexKey_d17b8537-01a7-4065-9600-9e60cc3417dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_123af04d-f653-4eff-a50a-5a42faf843d6" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6fd469cf-496b-45ba-b431-66519b9b1991" xlink:to="loc_dei_EntityRegistrantName_123af04d-f653-4eff-a50a-5a42faf843d6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_cbbb3ee7-8b18-4735-8eb3-e50152ce4d4c" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6fd469cf-496b-45ba-b431-66519b9b1991" xlink:to="loc_dei_Security12bTitle_cbbb3ee7-8b18-4735-8eb3-e50152ce4d4c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_d782a4e2-a815-4a2d-a03e-569cd007ca2d" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6fd469cf-496b-45ba-b431-66519b9b1991" xlink:to="loc_dei_EntityAddressAddressLine1_d782a4e2-a815-4a2d-a03e-569cd007ca2d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_9d639852-6252-4173-a461-31a854b32346" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6fd469cf-496b-45ba-b431-66519b9b1991" xlink:to="loc_dei_EntityIncorporationStateCountryCode_9d639852-6252-4173-a461-31a854b32346" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_504776ce-c81d-42c3-a911-a8de53879e63" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentType"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6fd469cf-496b-45ba-b431-66519b9b1991" xlink:to="loc_dei_DocumentType_504776ce-c81d-42c3-a911-a8de53879e63" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_1763375b-23f4-4da4-8bcd-e1f3f717cae6" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6fd469cf-496b-45ba-b431-66519b9b1991" xlink:to="loc_dei_DocumentPeriodEndDate_1763375b-23f4-4da4-8bcd-e1f3f717cae6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_538f50f3-71ea-4dec-bcde-bbb6d4c8fcaf" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6fd469cf-496b-45ba-b431-66519b9b1991" xlink:to="loc_dei_EntityFileNumber_538f50f3-71ea-4dec-bcde-bbb6d4c8fcaf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_91d5b9f9-f82c-49e3-8a43-bf592903eae5" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6fd469cf-496b-45ba-b431-66519b9b1991" xlink:to="loc_dei_EntityTaxIdentificationNumber_91d5b9f9-f82c-49e3-8a43-bf592903eae5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_d2a23d9d-7f75-42c0-bb69-90c2bd9f9274" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6fd469cf-496b-45ba-b431-66519b9b1991" xlink:to="loc_dei_EntityAddressCityOrTown_d2a23d9d-7f75-42c0-bb69-90c2bd9f9274" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_ca02bd6c-d370-4aa6-b591-6e4a4dafc1b7" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6fd469cf-496b-45ba-b431-66519b9b1991" xlink:to="loc_dei_EntityAddressStateOrProvince_ca02bd6c-d370-4aa6-b591-6e4a4dafc1b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_c51922ce-e729-49cb-8e4f-b65327d3203e" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6fd469cf-496b-45ba-b431-66519b9b1991" xlink:to="loc_dei_EntityAddressPostalZipCode_c51922ce-e729-49cb-8e4f-b65327d3203e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_b7f8ec07-023d-4e07-ae4d-57f462356847" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6fd469cf-496b-45ba-b431-66519b9b1991" xlink:to="loc_dei_TradingSymbol_b7f8ec07-023d-4e07-ae4d-57f462356847" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_a3b334d4-287e-4db7-88db-b71f7f7bc252" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6fd469cf-496b-45ba-b431-66519b9b1991" xlink:to="loc_dei_SecurityExchangeName_a3b334d4-287e-4db7-88db-b71f7f7bc252" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_130a03c1-f409-4543-89b3-bb6625c030f5" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6fd469cf-496b-45ba-b431-66519b9b1991" xlink:to="loc_dei_CityAreaCode_130a03c1-f409-4543-89b3-bb6625c030f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_9dbe97a0-5fc8-445b-9af9-eb1a67618df7" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6fd469cf-496b-45ba-b431-66519b9b1991" xlink:to="loc_dei_LocalPhoneNumber_9dbe97a0-5fc8-445b-9af9-eb1a67618df7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_71470d5c-12bf-410f-8d10-e765baf4fd40" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6fd469cf-496b-45ba-b431-66519b9b1991" xlink:to="loc_dei_WrittenCommunications_71470d5c-12bf-410f-8d10-e765baf4fd40" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_b5092046-6733-430b-b5eb-eb129e98abee" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6fd469cf-496b-45ba-b431-66519b9b1991" xlink:to="loc_dei_SolicitingMaterial_b5092046-6733-430b-b5eb-eb129e98abee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_6314e5f8-635f-4b77-918a-731eef58d313" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6fd469cf-496b-45ba-b431-66519b9b1991" xlink:to="loc_dei_PreCommencementTenderOffer_6314e5f8-635f-4b77-918a-731eef58d313" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_f9849364-079b-4524-afa7-9ed958b7065d" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6fd469cf-496b-45ba-b431-66519b9b1991" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_f9849364-079b-4524-afa7-9ed958b7065d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_67806cb4-692f-47a4-bd8f-fc3342598d8d" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6fd469cf-496b-45ba-b431-66519b9b1991" xlink:to="loc_dei_AmendmentFlag_67806cb4-692f-47a4-bd8f-fc3342598d8d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_d7ed9e52-a50a-4716-baf9-312729b5cbf6" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6fd469cf-496b-45ba-b431-66519b9b1991" xlink:to="loc_dei_EntityEmergingGrowthCompany_d7ed9e52-a50a-4716-baf9-312729b5cbf6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
