<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xml:lang="en-US"
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2022"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="matw-20230427.xsd" xlink:type="simple"/>
    <context id="i8e3e8bb3f10f4dd38b89c7f52581bd54_D20230427-20230427">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000063296</identifier>
        </entity>
        <period>
            <startDate>2023-04-27</startDate>
            <endDate>2023-04-27</endDate>
        </period>
    </context>
    <dei:EntityCentralIndexKey
      contextRef="i8e3e8bb3f10f4dd38b89c7f52581bd54_D20230427-20230427"
      id="id3VybDovL2RvY3MudjEvZG9jOmE4MWQxNGI2NDllMDQ3ZmJiZTkxNzg0ZGFmMzIzM2VhL3NlYzphODFkMTRiNjQ5ZTA0N2ZiYmU5MTc4NGRhZjMyMzNlYV80L2ZyYWc6MTU4OTk5NWMyZTkwNGUyMGJlYjExMDQ5YjQ4Mzg3YjQvdGFibGU6Mzc2ZjhjOTFjY2JhNGU2YWE4NjBlMGE4NDk1NTFlMmEvdGFibGVyYW5nZTozNzZmOGM5MWNjYmE0ZTZhYTg2MGUwYTg0OTU1MWUyYV8yLTEtMS0xLTEwNDMzMw_5925c262-a541-4182-8f34-d7e886a54238">0000063296</dei:EntityCentralIndexKey>
    <dei:AmendmentFlag
      contextRef="i8e3e8bb3f10f4dd38b89c7f52581bd54_D20230427-20230427"
      id="id3VybDovL2RvY3MudjEvZG9jOmE4MWQxNGI2NDllMDQ3ZmJiZTkxNzg0ZGFmMzIzM2VhL3NlYzphODFkMTRiNjQ5ZTA0N2ZiYmU5MTc4NGRhZjMyMzNlYV80L2ZyYWc6MTU4OTk5NWMyZTkwNGUyMGJlYjExMDQ5YjQ4Mzg3YjQvdGFibGU6Mzc2ZjhjOTFjY2JhNGU2YWE4NjBlMGE4NDk1NTFlMmEvdGFibGVyYW5nZTozNzZmOGM5MWNjYmE0ZTZhYTg2MGUwYTg0OTU1MWUyYV81LTEtMS0xLTEwNDMzMw_bd54eae7-a8ed-482c-ae9b-7cfc4741e5a2">false</dei:AmendmentFlag>
    <dei:DocumentType
      contextRef="i8e3e8bb3f10f4dd38b89c7f52581bd54_D20230427-20230427"
      id="id3VybDovL2RvY3MudjEvZG9jOmE4MWQxNGI2NDllMDQ3ZmJiZTkxNzg0ZGFmMzIzM2VhL3NlYzphODFkMTRiNjQ5ZTA0N2ZiYmU5MTc4NGRhZjMyMzNlYV8xL2ZyYWc6ODIyY2VmZjc0YTBjNDJiZTg2ZTA3NmI1NjdmMGRjOWMvdGV4dHJlZ2lvbjo4MjJjZWZmNzRhMGM0MmJlODZlMDc2YjU2N2YwZGM5Y18zMzg1_ac7335a2-66a7-47d5-adfe-cbbc56e9d55f">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate
      contextRef="i8e3e8bb3f10f4dd38b89c7f52581bd54_D20230427-20230427"
      id="id3VybDovL2RvY3MudjEvZG9jOmE4MWQxNGI2NDllMDQ3ZmJiZTkxNzg0ZGFmMzIzM2VhL3NlYzphODFkMTRiNjQ5ZTA0N2ZiYmU5MTc4NGRhZjMyMzNlYV8xL2ZyYWc6ODIyY2VmZjc0YTBjNDJiZTg2ZTA3NmI1NjdmMGRjOWMvdGV4dHJlZ2lvbjo4MjJjZWZmNzRhMGM0MmJlODZlMDc2YjU2N2YwZGM5Y18yODg_1ae5e75c-96ff-44d8-b358-e3ca83299057">2023-04-27</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName
      contextRef="i8e3e8bb3f10f4dd38b89c7f52581bd54_D20230427-20230427"
      id="id3VybDovL2RvY3MudjEvZG9jOmE4MWQxNGI2NDllMDQ3ZmJiZTkxNzg0ZGFmMzIzM2VhL3NlYzphODFkMTRiNjQ5ZTA0N2ZiYmU5MTc4NGRhZjMyMzNlYV8xL2ZyYWc6ODIyY2VmZjc0YTBjNDJiZTg2ZTA3NmI1NjdmMGRjOWMvdGV4dHJlZ2lvbjo4MjJjZWZmNzRhMGM0MmJlODZlMDc2YjU2N2YwZGM5Y18zMzg2_ff75e6ff-99cb-4032-ba68-9604e7eae06c">MATTHEWS INTERNATIONAL CORP</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode
      contextRef="i8e3e8bb3f10f4dd38b89c7f52581bd54_D20230427-20230427"
      id="id3VybDovL2RvY3MudjEvZG9jOmE4MWQxNGI2NDllMDQ3ZmJiZTkxNzg0ZGFmMzIzM2VhL3NlYzphODFkMTRiNjQ5ZTA0N2ZiYmU5MTc4NGRhZjMyMzNlYV8xL2ZyYWc6ODIyY2VmZjc0YTBjNDJiZTg2ZTA3NmI1NjdmMGRjOWMvdGFibGU6YTQ0YTA3YzA5OTVjNDllYTk3ZmRkMjIyZDc2NDY2MjEvdGFibGVyYW5nZTphNDRhMDdjMDk5NWM0OWVhOTdmZGQyMjJkNzY0NjYyMV8wLTAtMS0xLTEwNDMzMw_12907156-3932-4777-a4b1-9be5baa27988">PA</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber
      contextRef="i8e3e8bb3f10f4dd38b89c7f52581bd54_D20230427-20230427"
      id="id3VybDovL2RvY3MudjEvZG9jOmE4MWQxNGI2NDllMDQ3ZmJiZTkxNzg0ZGFmMzIzM2VhL3NlYzphODFkMTRiNjQ5ZTA0N2ZiYmU5MTc4NGRhZjMyMzNlYV8xL2ZyYWc6ODIyY2VmZjc0YTBjNDJiZTg2ZTA3NmI1NjdmMGRjOWMvdGFibGU6YTQ0YTA3YzA5OTVjNDllYTk3ZmRkMjIyZDc2NDY2MjEvdGFibGVyYW5nZTphNDRhMDdjMDk5NWM0OWVhOTdmZGQyMjJkNzY0NjYyMV8wLTEtMS0xLTEwNDMzMw_8c711544-e643-4b54-8e15-5ca3bce1b9fa">0-09115</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber
      contextRef="i8e3e8bb3f10f4dd38b89c7f52581bd54_D20230427-20230427"
      id="id3VybDovL2RvY3MudjEvZG9jOmE4MWQxNGI2NDllMDQ3ZmJiZTkxNzg0ZGFmMzIzM2VhL3NlYzphODFkMTRiNjQ5ZTA0N2ZiYmU5MTc4NGRhZjMyMzNlYV8xL2ZyYWc6ODIyY2VmZjc0YTBjNDJiZTg2ZTA3NmI1NjdmMGRjOWMvdGFibGU6YTQ0YTA3YzA5OTVjNDllYTk3ZmRkMjIyZDc2NDY2MjEvdGFibGVyYW5nZTphNDRhMDdjMDk5NWM0OWVhOTdmZGQyMjJkNzY0NjYyMV8wLTItMS0xLTEwNDMzMw_5d3031ca-7477-4570-bf57-1bf64e888e9a">25-0644320</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1
      contextRef="i8e3e8bb3f10f4dd38b89c7f52581bd54_D20230427-20230427"
      id="id3VybDovL2RvY3MudjEvZG9jOmE4MWQxNGI2NDllMDQ3ZmJiZTkxNzg0ZGFmMzIzM2VhL3NlYzphODFkMTRiNjQ5ZTA0N2ZiYmU5MTc4NGRhZjMyMzNlYV8xL2ZyYWc6ODIyY2VmZjc0YTBjNDJiZTg2ZTA3NmI1NjdmMGRjOWMvdGV4dHJlZ2lvbjo4MjJjZWZmNzRhMGM0MmJlODZlMDc2YjU2N2YwZGM5Y18zMzg3_3efdf3da-0be4-484d-9b30-f24fb557875e">Two Northshore Center</dei:EntityAddressAddressLine1>
    <dei:EntityAddressCityOrTown
      contextRef="i8e3e8bb3f10f4dd38b89c7f52581bd54_D20230427-20230427"
      id="id3VybDovL2RvY3MudjEvZG9jOmE4MWQxNGI2NDllMDQ3ZmJiZTkxNzg0ZGFmMzIzM2VhL3NlYzphODFkMTRiNjQ5ZTA0N2ZiYmU5MTc4NGRhZjMyMzNlYV8xL2ZyYWc6ODIyY2VmZjc0YTBjNDJiZTg2ZTA3NmI1NjdmMGRjOWMvdGV4dHJlZ2lvbjo4MjJjZWZmNzRhMGM0MmJlODZlMDc2YjU2N2YwZGM5Y18zMzgw_0eba26a2-8a1a-44fd-be78-801fc78fb3a4">Pittsburgh</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince
      contextRef="i8e3e8bb3f10f4dd38b89c7f52581bd54_D20230427-20230427"
      id="id3VybDovL2RvY3MudjEvZG9jOmE4MWQxNGI2NDllMDQ3ZmJiZTkxNzg0ZGFmMzIzM2VhL3NlYzphODFkMTRiNjQ5ZTA0N2ZiYmU5MTc4NGRhZjMyMzNlYV8xL2ZyYWc6ODIyY2VmZjc0YTBjNDJiZTg2ZTA3NmI1NjdmMGRjOWMvdGV4dHJlZ2lvbjo4MjJjZWZmNzRhMGM0MmJlODZlMDc2YjU2N2YwZGM5Y18zMzg4_8fd7233e-39bb-49ed-a269-4b27623c6e68">PA</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode
      contextRef="i8e3e8bb3f10f4dd38b89c7f52581bd54_D20230427-20230427"
      id="id3VybDovL2RvY3MudjEvZG9jOmE4MWQxNGI2NDllMDQ3ZmJiZTkxNzg0ZGFmMzIzM2VhL3NlYzphODFkMTRiNjQ5ZTA0N2ZiYmU5MTc4NGRhZjMyMzNlYV8xL2ZyYWc6ODIyY2VmZjc0YTBjNDJiZTg2ZTA3NmI1NjdmMGRjOWMvdGV4dHJlZ2lvbjo4MjJjZWZmNzRhMGM0MmJlODZlMDc2YjU2N2YwZGM5Y18zMzgx_05e1570f-3d74-4f61-94ff-29d2972f6fe8">15212-5851</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode
      contextRef="i8e3e8bb3f10f4dd38b89c7f52581bd54_D20230427-20230427"
      id="id3VybDovL2RvY3MudjEvZG9jOmE4MWQxNGI2NDllMDQ3ZmJiZTkxNzg0ZGFmMzIzM2VhL3NlYzphODFkMTRiNjQ5ZTA0N2ZiYmU5MTc4NGRhZjMyMzNlYV8xL2ZyYWc6ODIyY2VmZjc0YTBjNDJiZTg2ZTA3NmI1NjdmMGRjOWMvdGV4dHJlZ2lvbjo4MjJjZWZmNzRhMGM0MmJlODZlMDc2YjU2N2YwZGM5Y182Mjk_2f6e0a3f-95b7-42b4-a2c6-6dc9d8cf7d7f">412</dei:CityAreaCode>
    <dei:LocalPhoneNumber
      contextRef="i8e3e8bb3f10f4dd38b89c7f52581bd54_D20230427-20230427"
      id="id3VybDovL2RvY3MudjEvZG9jOmE4MWQxNGI2NDllMDQ3ZmJiZTkxNzg0ZGFmMzIzM2VhL3NlYzphODFkMTRiNjQ5ZTA0N2ZiYmU5MTc4NGRhZjMyMzNlYV8xL2ZyYWc6ODIyY2VmZjc0YTBjNDJiZTg2ZTA3NmI1NjdmMGRjOWMvdGV4dHJlZ2lvbjo4MjJjZWZmNzRhMGM0MmJlODZlMDc2YjU2N2YwZGM5Y18zMzgy_1c9258bc-f48d-407f-bf30-ea7d9d57a49d">442-8200</dei:LocalPhoneNumber>
    <dei:WrittenCommunications
      contextRef="i8e3e8bb3f10f4dd38b89c7f52581bd54_D20230427-20230427"
      id="id3VybDovL2RvY3MudjEvZG9jOmE4MWQxNGI2NDllMDQ3ZmJiZTkxNzg0ZGFmMzIzM2VhL3NlYzphODFkMTRiNjQ5ZTA0N2ZiYmU5MTc4NGRhZjMyMzNlYV8xL2ZyYWc6ODIyY2VmZjc0YTBjNDJiZTg2ZTA3NmI1NjdmMGRjOWMvdGV4dHJlZ2lvbjo4MjJjZWZmNzRhMGM0MmJlODZlMDc2YjU2N2YwZGM5Y18zMzg5_7eaa9c6d-130f-43b0-ad2b-0eff7077b0fa">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial
      contextRef="i8e3e8bb3f10f4dd38b89c7f52581bd54_D20230427-20230427"
      id="id3VybDovL2RvY3MudjEvZG9jOmE4MWQxNGI2NDllMDQ3ZmJiZTkxNzg0ZGFmMzIzM2VhL3NlYzphODFkMTRiNjQ5ZTA0N2ZiYmU5MTc4NGRhZjMyMzNlYV8xL2ZyYWc6ODIyY2VmZjc0YTBjNDJiZTg2ZTA3NmI1NjdmMGRjOWMvdGV4dHJlZ2lvbjo4MjJjZWZmNzRhMGM0MmJlODZlMDc2YjU2N2YwZGM5Y18zMzgz_84ddd4de-51f1-46d1-9943-e98b8c3d0e5d">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer
      contextRef="i8e3e8bb3f10f4dd38b89c7f52581bd54_D20230427-20230427"
      id="id3VybDovL2RvY3MudjEvZG9jOmE4MWQxNGI2NDllMDQ3ZmJiZTkxNzg0ZGFmMzIzM2VhL3NlYzphODFkMTRiNjQ5ZTA0N2ZiYmU5MTc4NGRhZjMyMzNlYV8xL2ZyYWc6ODIyY2VmZjc0YTBjNDJiZTg2ZTA3NmI1NjdmMGRjOWMvdGV4dHJlZ2lvbjo4MjJjZWZmNzRhMGM0MmJlODZlMDc2YjU2N2YwZGM5Y18zMzkw_97cb93e1-8141-4f20-b00c-3ce591e3c908">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer
      contextRef="i8e3e8bb3f10f4dd38b89c7f52581bd54_D20230427-20230427"
      id="id3VybDovL2RvY3MudjEvZG9jOmE4MWQxNGI2NDllMDQ3ZmJiZTkxNzg0ZGFmMzIzM2VhL3NlYzphODFkMTRiNjQ5ZTA0N2ZiYmU5MTc4NGRhZjMyMzNlYV8xL2ZyYWc6ODIyY2VmZjc0YTBjNDJiZTg2ZTA3NmI1NjdmMGRjOWMvdGV4dHJlZ2lvbjo4MjJjZWZmNzRhMGM0MmJlODZlMDc2YjU2N2YwZGM5Y18zMzkx_eae33e63-7c70-4642-911e-48cc0c8ff37f">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle
      contextRef="i8e3e8bb3f10f4dd38b89c7f52581bd54_D20230427-20230427"
      id="id3VybDovL2RvY3MudjEvZG9jOmE4MWQxNGI2NDllMDQ3ZmJiZTkxNzg0ZGFmMzIzM2VhL3NlYzphODFkMTRiNjQ5ZTA0N2ZiYmU5MTc4NGRhZjMyMzNlYV8xL2ZyYWc6ODIyY2VmZjc0YTBjNDJiZTg2ZTA3NmI1NjdmMGRjOWMvdGFibGU6NzA5OGY4NzJmZWMyNDVhNjkwZDJjZTg5YjM3NTE1MjQvdGFibGVyYW5nZTo3MDk4Zjg3MmZlYzI0NWE2OTBkMmNlODliMzc1MTUyNF8yLTAtMS0xLTEwNDMzMw_0ebbf1d7-65bf-49f0-b2aa-50d466b89c89">Class A Common Stock, $1.00 par value</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="i8e3e8bb3f10f4dd38b89c7f52581bd54_D20230427-20230427"
      id="id3VybDovL2RvY3MudjEvZG9jOmE4MWQxNGI2NDllMDQ3ZmJiZTkxNzg0ZGFmMzIzM2VhL3NlYzphODFkMTRiNjQ5ZTA0N2ZiYmU5MTc4NGRhZjMyMzNlYV8xL2ZyYWc6ODIyY2VmZjc0YTBjNDJiZTg2ZTA3NmI1NjdmMGRjOWMvdGFibGU6NzA5OGY4NzJmZWMyNDVhNjkwZDJjZTg5YjM3NTE1MjQvdGFibGVyYW5nZTo3MDk4Zjg3MmZlYzI0NWE2OTBkMmNlODliMzc1MTUyNF8yLTItMS0xLTEwNDMzMw_5559b034-d569-4859-95b6-5c8bb29c5fb4">MATW</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="i8e3e8bb3f10f4dd38b89c7f52581bd54_D20230427-20230427"
      id="id3VybDovL2RvY3MudjEvZG9jOmE4MWQxNGI2NDllMDQ3ZmJiZTkxNzg0ZGFmMzIzM2VhL3NlYzphODFkMTRiNjQ5ZTA0N2ZiYmU5MTc4NGRhZjMyMzNlYV8xL2ZyYWc6ODIyY2VmZjc0YTBjNDJiZTg2ZTA3NmI1NjdmMGRjOWMvdGFibGU6NzA5OGY4NzJmZWMyNDVhNjkwZDJjZTg5YjM3NTE1MjQvdGFibGVyYW5nZTo3MDk4Zjg3MmZlYzI0NWE2OTBkMmNlODliMzc1MTUyNF8yLTQtMS0xLTEwNDMzMw_8af7a9a2-0a34-4590-b874-b9ac14a5fafc">NASDAQ</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany
      contextRef="i8e3e8bb3f10f4dd38b89c7f52581bd54_D20230427-20230427"
      id="id3VybDovL2RvY3MudjEvZG9jOmE4MWQxNGI2NDllMDQ3ZmJiZTkxNzg0ZGFmMzIzM2VhL3NlYzphODFkMTRiNjQ5ZTA0N2ZiYmU5MTc4NGRhZjMyMzNlYV8xL2ZyYWc6ODIyY2VmZjc0YTBjNDJiZTg2ZTA3NmI1NjdmMGRjOWMvdGV4dHJlZ2lvbjo4MjJjZWZmNzRhMGM0MmJlODZlMDc2YjU2N2YwZGM5Y18zMzg0_c876f37d-f0f1-4233-8dfb-170474a4973c">false</dei:EntityEmergingGrowthCompany>
</xbrl>
