<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2026"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="gco-20260629.xsd" xlink:type="simple"/>
    <context id="C_ace2b99f-a3ec-4cf7-97e7-47323e97567e">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000018498</identifier>
        </entity>
        <period>
            <startDate>2026-06-29</startDate>
            <endDate>2026-06-29</endDate>
        </period>
    </context>
    <dei:AmendmentFlag
      contextRef="C_ace2b99f-a3ec-4cf7-97e7-47323e97567e"
      id="F_a7582be8-2fb4-4e8a-8385-bb8a5c893297">false</dei:AmendmentFlag>
    <dei:EntityCentralIndexKey
      contextRef="C_ace2b99f-a3ec-4cf7-97e7-47323e97567e"
      id="F_bf4f4975-7240-49f6-941d-e68810f1451b">0000018498</dei:EntityCentralIndexKey>
    <dei:DocumentType
      contextRef="C_ace2b99f-a3ec-4cf7-97e7-47323e97567e"
      id="F_6652114c-6cc7-4641-924f-d21a4e561ab6">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate
      contextRef="C_ace2b99f-a3ec-4cf7-97e7-47323e97567e"
      id="F_43ef11c6-aef3-407a-a5d5-98a33312bc7d">2026-06-29</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName
      contextRef="C_ace2b99f-a3ec-4cf7-97e7-47323e97567e"
      id="F_b2bb7c1c-6ead-45fc-87ea-25807b34953c">Genesco Inc.</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode
      contextRef="C_ace2b99f-a3ec-4cf7-97e7-47323e97567e"
      id="F_f9fdcb53-789a-4aca-a216-01fad8e0fdcc">TN</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber
      contextRef="C_ace2b99f-a3ec-4cf7-97e7-47323e97567e"
      id="F_61359a67-25eb-470b-96a6-c4b928b1e688">1-3083</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber
      contextRef="C_ace2b99f-a3ec-4cf7-97e7-47323e97567e"
      id="F_8408f885-501a-44ac-b0e9-219ce01d25ac">62-0211340</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1
      contextRef="C_ace2b99f-a3ec-4cf7-97e7-47323e97567e"
      id="F_e492a638-33b4-46e6-a3d9-fc58f3638a66">535 Marriott Drive</dei:EntityAddressAddressLine1>
    <dei:EntityAddressCityOrTown
      contextRef="C_ace2b99f-a3ec-4cf7-97e7-47323e97567e"
      id="F_11221e90-8248-489c-98e0-e3c06465b098">Nashville</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince
      contextRef="C_ace2b99f-a3ec-4cf7-97e7-47323e97567e"
      id="F_4e3b7ec3-fdbc-42c4-9652-4ff19a8c1471">TN</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode
      contextRef="C_ace2b99f-a3ec-4cf7-97e7-47323e97567e"
      id="F_0f8d50fe-02d9-4bc8-8d6a-c63e343cfb38">37214</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode
      contextRef="C_ace2b99f-a3ec-4cf7-97e7-47323e97567e"
      id="F_2e8deabf-1fe4-4a29-860c-504e262639a4">615</dei:CityAreaCode>
    <dei:LocalPhoneNumber
      contextRef="C_ace2b99f-a3ec-4cf7-97e7-47323e97567e"
      id="F_da73e8d8-37f6-464e-9853-d387aca52357">367-7000</dei:LocalPhoneNumber>
    <dei:WrittenCommunications
      contextRef="C_ace2b99f-a3ec-4cf7-97e7-47323e97567e"
      id="F_faaa3b0b-4437-44ea-9014-0989674196b2">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial
      contextRef="C_ace2b99f-a3ec-4cf7-97e7-47323e97567e"
      id="F_c67b83de-215b-4a11-8a0b-71a938a403cf">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer
      contextRef="C_ace2b99f-a3ec-4cf7-97e7-47323e97567e"
      id="F_a4c84196-c39e-4dc8-839b-dbcdbc624fb5">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer
      contextRef="C_ace2b99f-a3ec-4cf7-97e7-47323e97567e"
      id="F_ce7f0c6f-695b-4106-abd9-7f2ec990470a">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle
      contextRef="C_ace2b99f-a3ec-4cf7-97e7-47323e97567e"
      id="F_74cd3cfa-9f2a-443d-8968-3feedb55b677">Common Stock, $1.00 par value</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="C_ace2b99f-a3ec-4cf7-97e7-47323e97567e"
      id="F_2b4ea5aa-daf9-49b6-ac27-9948fc6ad70e">GCO</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="C_ace2b99f-a3ec-4cf7-97e7-47323e97567e"
      id="F_d14fec1b-b723-4d71-b27f-60480296863c">NYSE</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany
      contextRef="C_ace2b99f-a3ec-4cf7-97e7-47323e97567e"
      id="F_00acd24b-e21d-418f-8d2b-db14b239307b">false</dei:EntityEmergingGrowthCompany>
</xbrl>
