<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  xmlns:ffd="http://xbrl.sec.gov/ffd/2025"
  xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <link:schemaRef
      xlink:href="https://xbrl.sec.gov/ffd/2025/ffd-2025.xsd"
      xlink:type="simple"/>
    <context id="c_offering_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000046619</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-07-09</startDate>
            <endDate>2026-07-09</endDate>
        </period>
    </context>
    <context id="c_offering_2">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000046619</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>2</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-07-09</startDate>
            <endDate>2026-07-09</endDate>
        </period>
    </context>
    <context id="c_offering_3">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000046619</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>3</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-07-09</startDate>
            <endDate>2026-07-09</endDate>
        </period>
    </context>
    <context id="c_offering_4">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000046619</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>4</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-07-09</startDate>
            <endDate>2026-07-09</endDate>
        </period>
    </context>
    <context id="c_offering_5">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000046619</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>5</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-07-09</startDate>
            <endDate>2026-07-09</endDate>
        </period>
    </context>
    <context id="c_offering_6">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000046619</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>6</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-07-09</startDate>
            <endDate>2026-07-09</endDate>
        </period>
    </context>
    <context id="c_offering_7">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000046619</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>7</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-07-09</startDate>
            <endDate>2026-07-09</endDate>
        </period>
    </context>
    <context id="c_report">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000046619</identifier>
        </entity>
        <period>
            <startDate>2026-07-09</startDate>
            <endDate>2026-07-09</endDate>
        </period>
    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="pure">
        <measure>pure</measure>
    </unit>
    <ffd:SubmissnTp contextRef="c_report" id="fee_001">S-3ASR</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="c_report" id="fee_002">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="c_report" id="fee_003">0000046619</dei:EntityCentralIndexKey>
    <ffd:OfferingTableNa contextRef="c_report" id="fee_004" xsi:nil="true"/>
    <ffd:OffsetTableNa contextRef="c_report" id="fee_005">N/A</ffd:OffsetTableNa>
    <ffd:CombinedProspectusTableNa contextRef="c_report" id="fee_006">N/A</ffd:CombinedProspectusTableNa>
    <ffd:FormTp contextRef="c_report" id="fee_007">S-3</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="c_report" id="fee_008">HEICO Corporation</dei:EntityRegistrantName>
    <ffd:PrevslyPdFlg contextRef="c_offering_1" id="fee_009">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c_offering_1" id="fee_010">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_1" id="fee_011">Common Stock, $0.01 par value</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="c_offering_1" id="fee_012">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_013"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="c_offering_2" id="fee_014">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c_offering_2" id="fee_015">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_2" id="fee_016">Class A Common Stock, $0.01 par value</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="c_offering_2" id="fee_017">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="c_offering_2"
      decimals="INF"
      id="fee_018"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="c_offering_3" id="fee_019">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c_offering_3" id="fee_020">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_3" id="fee_021">Preferred Stock</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="c_offering_3" id="fee_022">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="c_offering_3"
      decimals="INF"
      id="fee_023"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="c_offering_4" id="fee_024">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c_offering_4" id="fee_025">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_4" id="fee_026">Debt Securities</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="c_offering_4" id="fee_027">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="c_offering_4"
      decimals="INF"
      id="fee_028"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="c_offering_5" id="fee_029">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c_offering_5" id="fee_030">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_5" id="fee_031">Depositary Shares</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="c_offering_5" id="fee_032">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="c_offering_5"
      decimals="INF"
      id="fee_033"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="c_offering_6" id="fee_034">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c_offering_6" id="fee_035">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_6" id="fee_036">Warrants</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="c_offering_6" id="fee_037">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="c_offering_6"
      decimals="INF"
      id="fee_038"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="c_offering_7" id="fee_039">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c_offering_7" id="fee_040">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_7" id="fee_041">Units</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="c_offering_7" id="fee_042">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="c_offering_7"
      decimals="INF"
      id="fee_043"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:TtlOfferingAmt
      contextRef="c_report"
      decimals="INF"
      id="ixv-473"
      unitRef="USD">0.00</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt
      contextRef="c_report"
      decimals="INF"
      id="ixv-474"
      unitRef="USD">0.00</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt
      contextRef="c_report"
      decimals="INF"
      id="ixv-475"
      unitRef="USD">0.00</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt
      contextRef="c_report"
      decimals="INF"
      id="ixv-476"
      unitRef="USD">0.00</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt
      contextRef="c_report"
      decimals="INF"
      id="ixv-477"
      unitRef="USD">0.00</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="c_offering_1" id="ixv-315">Separate consideration may or may not be received for securities that are issuable on exercise, conversion, settlement or exchange of other securities.&lt;br/&gt;&lt;br/&gt;In accordance with Rules 456(b) and 457(r) under the Securities Act of 1933, as amended, HEICO Corporation (the &#x201c;Registrant&#x201d;) is deferring payment of all of the registration fee. Registration fees will be paid subsequently on a &#x201c;pay as you go&#x201d; basis. The Registrant will calculate the registration fee applicable to an offer of securities pursuant to this Registration Statement based on the fee payment rate in effect on the date of such fee payment.&lt;br/&gt;&lt;br/&gt;An indeterminate aggregate initial offering price and number or amount of the securities of each identified class is being registered as may from time to time be issued at indeterminate prices, including securities that may be issued upon exercise, conversion, settlement or exchange of, any securities offered hereunder.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c_offering_2" id="ixv-478">See Footnote 1.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c_offering_3" id="ixv-479">See Footnote 1.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c_offering_4" id="ixv-480">See Footnote 1.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c_offering_5" id="ixv-481">See Footnote 1.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c_offering_6" id="ixv-482">See Footnote 1.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c_offering_7" id="ixv-483">See Footnote 1.</ffd:OfferingNote>
</xbrl>
