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        <EOYAmt>82436</EOYAmt>
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      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
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      <ReconcilationRevenueExpnssAmt>311464</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>247212</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>true</AccountantCompileOrReviewInd>
      <AcctCompileOrReviewBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
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      <FSAuditedInd>false</FSAuditedInd>
      <AuditCommitteeInd>false</AuditCommitteeInd>
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        <Desc>copier lease - current</Desc>
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      <TotalLiabilityAmt>0</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part X, Line 2 FIN 48 (ASC 740) footnote</FormAndLineReferenceDesc>
        <ExplanationTxt>The Society is exempt from federal and state income taxes under the provisions of Section 501(c)(6) of the Internal Revenue Code (IRC), except for any unrelated business income taxes. Therefore, no provision for income taxes has been provided for in these financial statements. The Society has determined that it does not have any material unrecognized tax benefits or obligations as of December 31, 2023 and 2022.</ExplanationTxt>
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      <GrantRecordsMaintainedInd>true</GrantRecordsMaintainedInd>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>TOM HANNAFIN SCHOLARSHIP - ENGINEERING AND MATERIALS SCIENCE STUDENTS</GrantTypeTxt>
        <RecipientCnt>4</RecipientCnt>
        <CashGrantAmt>8000</CashGrantAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule I, Part I, Line 2 Procedures for monitoring use of grant funds.</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ASSISTANCE PROVIDED CONSISTED OF LUMP SUM SCHOLARSHIP AWARDS, FOR WHICH NO SPECIFIC MONITORING WAS REQUIRED. Grant provided to Valve Manufacturers Association for the purpose of their education program is monitored by the organization.</ExplanationTxt>
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      <SupplementalNonqualRtrPlanInd>false</SupplementalNonqualRtrPlanInd>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <BusinessName>
          <BusinessNameLine1Txt>David Thompson</BusinessNameLine1Txt>
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        <TitleTxt>Executive Director (End 08/23)</TitleTxt>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 6 Classes of members or stockholders</FormAndLineReferenceDesc>
        <ExplanationTxt>Class Membership - In accordance with the Articles of Incorporation paragraph (c), the Society will have one class of member, namely, Participating. Designated Representatives: For balloting of general Society matters, each member company must designate one and only one representative to represent the interests and vote on behalf of that member company. Each member company should also designate an Alternate Representative to serve in the absence of the Designated Representative. The individuals who serve as the Designated or Alternate Representatives may be replaced at the discretion of the member company. Each member company represented on a standing or technical committee shall designate a person to represent the interests and vote on behalf of that member company on matters balloted in such committees. Each participating member company through its appropriate representative shall be entitled to a single vote on any matter presented to the membership of the Society or to any committee or subcommittee on which it is represented.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 7a Members or stockholders electing members of governing body</FormAndLineReferenceDesc>
        <ExplanationTxt>The members of the society elect the board of directors.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b Review of form 990 by governing body</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE DIRECTOR REVIEWS FORM 990 AS PREPARED BY THE SOCIETY'S OUTSIDE CPAS IN CONSULTATION WITH MEMBERS OF THE SOCIETY. FORM 990 IS FILED AFTER THE EXECUTIVE DIRECTOR GIVES HER FINAL APPROVAL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XII, Line 2c Change of oversight process or selection process</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PROCESS HAS NOT CHANGED FROM THE PRIOR YEAR.</ExplanationTxt>
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