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        <AverageHoursPerWeekRltdOrgRt>1.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BILL BRUCE</PersonNm>
        <TitleTxt>CHIEF TECHNOLOGY OFFICER</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>30.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>55598</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>ELLEN MOORE</PersonNm>
        <TitleTxt>CHIEF EDUCATION OFFICER</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>10.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>62315</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>KAREN L HACKETT</PersonNm>
        <TitleTxt>CHIEF EXECUTIVE OFFICER</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>40.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
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        <OtherCompensationAmt>104857</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>RICHARD JSTEWART</PersonNm>
        <TitleTxt>CFO/COO</TitleTxt>
        <AverageHoursPerWeekRt>30.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>30.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>71853</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>RICHARD N PETERSON</PersonNm>
        <TitleTxt>GENERAL COUNSEL</TitleTxt>
        <AverageHoursPerWeekRt>30.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>30.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>88057</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>HOWARD MEVIS</PersonNm>
        <TitleTxt>DIRECTOR OF ELEC MEDIA, EV</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>10.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>63650</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>SUSAN MCSORLEY</PersonNm>
        <TitleTxt>DIR. CONVENTIONS/MEETINGS</TitleTxt>
        <AverageHoursPerWeekRt>45.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>5.00</AverageHoursPerWeekRltdOrgRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>HANS KOELSCH</PersonNm>
        <TitleTxt>DIRECTOR OF PUBLICATIONS</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>10.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromOrgAmt>192483</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>63733</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JENNIFER JONES</PersonNm>
        <TitleTxt>DIR. OF SOCIETY RELATIONS</TitleTxt>
        <AverageHoursPerWeekRt>45.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>5.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>DEBORAH CUMMINS</PersonNm>
        <TitleTxt>DIRECTOR OF RESEARCH</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>10.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LAURA ABRAHAMS</PersonNm>
        <TitleTxt>DIRECTOR OF HUMAN RESOURCES</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>5.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>56308</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>TINA SLAGER</PersonNm>
        <TitleTxt>DIRECTOR OF FINANCE</TitleTxt>
        <AverageHoursPerWeekRt>30.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>30.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromOrgAmt>161664</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>32699</OtherCompensationAmt>
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      <TotalReportableCompFromOrgAmt>3423771</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>761154</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>46</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>BRIGHTFIND</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1010 WAYNE AVE STE 720</AddressLine1Txt>
            <CityNm>SILVER SPRINGS</CityNm>
            <StateAbbreviationCd>MD</StateAbbreviationCd>
            <ZIPCd>20910</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>SOFTWARE CONSULTANTS</ServicesDesc>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>ALLIED PRA DESTINATION MANAGEMENT</BusinessNameLine1Txt>
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        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>290 KING STREET STE 11</AddressLine1Txt>
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            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>94107</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>TRANSPORTATION</ServicesDesc>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>TEG STAFFING INC</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
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            <StateAbbreviationCd>NV</StateAbbreviationCd>
            <ZIPCd>89119</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>TEMPORARY STAFFING</ServicesDesc>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>FREEMAN</BusinessNameLine1Txt>
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        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO BOX 650036</AddressLine1Txt>
            <CityNm>DALLAS</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
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          </USAddress>
        </ContractorAddress>
        <ServicesDesc>MEETING MANAGEMENT</ServicesDesc>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>COMPUTERSYSTEMS</BusinessNameLine1Txt>
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        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>2651 WARRENVILLE ROAD SUITE 400</AddressLine1Txt>
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            <ZIPCd>60515</ZIPCd>
          </USAddress>
        </ContractorAddress>
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      <CntrctRcvdGreaterThan100KCnt>21</CntrctRcvdGreaterThan100KCnt>
      <RelatedOrganizationsAmt>13000000</RelatedOrganizationsAmt>
      <GovernmentGrantsAmt>108693</GovernmentGrantsAmt>
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      <TotalContributionsAmt>15315640</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>ANNUAL MEETING</Desc>
        <BusinessCd>541900</BusinessCd>
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        <RelatedOrExemptFuncIncomeAmt>16681232</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>643025</UnrelatedBusinessRevenueAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>COURSE EDUCATION</Desc>
        <BusinessCd>541900</BusinessCd>
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        <RelatedOrExemptFuncIncomeAmt>2803058</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>SPECIALTY SOCIETY MANAGEMENT</Desc>
        <BusinessCd>541900</BusinessCd>
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      <ProgramServiceRevenueGrp>
        <Desc>RENTAL INCOME FROM ORTHOPAEDIC SO</Desc>
        <BusinessCd>541900</BusinessCd>
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        <ExclusionAmt>651437</ExclusionAmt>
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      <ProgramServiceRevenueGrp>
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        <BusinessCd>541900</BusinessCd>
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        <RelatedOrExemptFuncIncomeAmt>134179</RelatedOrExemptFuncIncomeAmt>
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        <ExclusionAmt>1616196</ExclusionAmt>
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        <ExclusionAmt>2891161</ExclusionAmt>
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      <NetGainOrLossInvestmentsGrp>
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        <RelatedOrExemptFuncIncomeAmt>5487296</RelatedOrExemptFuncIncomeAmt>
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        <RelatedOrExemptFuncIncomeAmt>-277946</RelatedOrExemptFuncIncomeAmt>
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      <TotalRevenueGrp>
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        <RelatedOrExemptFuncIncomeAmt>27173515</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>1266928</UnrelatedBusinessRevenueAmt>
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      <GrantsToDomesticOrgsGrp>
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        <ProgramServicesAmt>705159</ProgramServicesAmt>
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        <ProgramServicesAmt>67602</ProgramServicesAmt>
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        <ProgramServicesAmt>908666</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2168107</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>8165293</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4653811</ManagementAndGeneralAmt>
        <FundraisingAmt>5000</FundraisingAmt>
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        <ProgramServicesAmt>799235</ProgramServicesAmt>
        <ManagementAndGeneralAmt>422384</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>665896</ProgramServicesAmt>
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        <ManagementAndGeneralAmt>7800</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>7173</ProgramServicesAmt>
        <ManagementAndGeneralAmt>105210</ManagementAndGeneralAmt>
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        <ManagementAndGeneralAmt>257261</ManagementAndGeneralAmt>
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        <ManagementAndGeneralAmt>568763</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>464938</ProgramServicesAmt>
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        <ProgramServicesAmt>186454</ProgramServicesAmt>
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        <ManagementAndGeneralAmt>147452</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>2543761</ProgramServicesAmt>
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        <ProgramServicesAmt>2220405</ProgramServicesAmt>
        <ManagementAndGeneralAmt>664078</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>5642118</ProgramServicesAmt>
        <ManagementAndGeneralAmt>220668</ManagementAndGeneralAmt>
        <FundraisingAmt>9019</FundraisingAmt>
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        <ProgramServicesAmt>2763922</ProgramServicesAmt>
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      <OtherExpensesGrp>
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        <ProgramServicesAmt>220069</ProgramServicesAmt>
        <ManagementAndGeneralAmt>114969</ManagementAndGeneralAmt>
        <FundraisingAmt>2240</FundraisingAmt>
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        <ProgramServicesAmt>86166</ProgramServicesAmt>
        <ManagementAndGeneralAmt>32831</ManagementAndGeneralAmt>
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      <AllOtherExpensesGrp>
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        <ProgramServicesAmt>54299</ProgramServicesAmt>
        <ManagementAndGeneralAmt>34821</ManagementAndGeneralAmt>
        <FundraisingAmt>4104</FundraisingAmt>
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        <ProgramServicesAmt>31907046</ProgramServicesAmt>
        <ManagementAndGeneralAmt>11790793</ManagementAndGeneralAmt>
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        <EOYAmt>9622848</EOYAmt>
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        <EOYAmt>5516013</EOYAmt>
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      <AccountsReceivableGrp>
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        <EOYAmt>3742864</EOYAmt>
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        <EOYAmt>629807</EOYAmt>
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        <EOYAmt>3225019</EOYAmt>
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        <EOYAmt>7046604</EOYAmt>
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        <EOYAmt>61815297</EOYAmt>
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        <EOYAmt>15528920</EOYAmt>
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        <EOYAmt>0</EOYAmt>
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        <BOYAmt>291632</BOYAmt>
        <EOYAmt>404728</EOYAmt>
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      <TotalAssetsGrp>
        <BOYAmt>108766166</BOYAmt>
        <EOYAmt>107532100</EOYAmt>
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        <EOYAmt>10033988</EOYAmt>
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          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>17101</ZIPCd>
        </USAddress>
        <RecipientEIN>232184602</RecipientEIN>
        <IRCSectionDesc>501C6</IRCSectionDesc>
        <CashGrantAmt>6000</CashGrantAmt>
        <PurposeOfGrantTxt>STATE SOCIETY ASSISTANCE</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>AMERICAN ORTHOPAEDIC FOOT AND ANKLE SOCIETY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>9400 W HIGGINS RD</AddressLine1Txt>
          <CityNm>ROSEMONT</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60018</ZIPCd>
        </USAddress>
        <RecipientEIN>237087029</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>50000</CashGrantAmt>
        <PurposeOfGrantTxt>SPECIALTY SOCIETY ASSISTANCE</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>AMER ORTHO SOC FOR SPORTS MED</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>9400 W HIGGINS RD</AddressLine1Txt>
          <CityNm>ROSEMONT</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60018</ZIPCd>
        </USAddress>
        <RecipientEIN>237182780</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>50000</CashGrantAmt>
        <PurposeOfGrantTxt>SPECIALTY SOCIETY ASSISTANCE</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>KNEE SOCIETY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>9400 W HIGGINS RD</AddressLine1Txt>
          <CityNm>ROSEMONT</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60018</ZIPCd>
        </USAddress>
        <RecipientEIN>133190169</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>30000</CashGrantAmt>
        <PurposeOfGrantTxt>GENERAL SUPPORT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>MUSCULOSKELETAL TUMOR SOCIETY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>9400 W HIGGINS RD</AddressLine1Txt>
          <CityNm>ROSEMONT</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60018</ZIPCd>
        </USAddress>
        <RecipientEIN>954480540</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>25000</CashGrantAmt>
        <PurposeOfGrantTxt>SPECIALTY SOCIETY ASSISTANCE</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>PEDIATRIC ORTHO SOC OF NO AMER</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>9400 W HIGGINS RD</AddressLine1Txt>
          <CityNm>ROSEMONT</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60018</ZIPCd>
        </USAddress>
        <RecipientEIN>541323281</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>16570</CashGrantAmt>
        <PurposeOfGrantTxt>SPECIALTY SOCIETY ASSISTANCE</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>SCOLIOSIS RESEARCH SOCIETY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>555 EAST WELLS STREET SUITE 1100</AddressLine1Txt>
          <CityNm>MILWAUKEE</CityNm>
          <StateAbbreviationCd>WI</StateAbbreviationCd>
          <ZIPCd>53202</ZIPCd>
        </USAddress>
        <RecipientEIN>237181863</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>16570</CashGrantAmt>
        <PurposeOfGrantTxt>SPECIALTY SOCIETY ASSISTANCE</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>CRUDEN FOUNDATION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>362 SEWALL STREET PO BOX 804</AddressLine1Txt>
          <CityNm>LUDLOW</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01056</ZIPCd>
        </USAddress>
        <RecipientEIN>431660199</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>5000</CashGrantAmt>
        <PurposeOfGrantTxt>GENERAL SUPPORT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>RUTH JACKSON ORTHOPAEDIC SOCIETY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>9400 W HIGGINS RD</AddressLine1Txt>
          <CityNm>ROSEMONT</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60018</ZIPCd>
        </USAddress>
        <RecipientEIN>521398991</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>5000</CashGrantAmt>
        <PurposeOfGrantTxt>GENERAL SUPPORT</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>14</Total501c3OrgCnt>
      <TotalOtherOrgCnt>1</TotalOtherOrgCnt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION MAKES CONTRIBUTIONS TO OTHER ENTITIES WITH SIMILAR ORTHOPAEDIC RELATED MISSIONS FOR THE GENERAL SUPPORT OF THESE ORGANIZATIONS. IF THE FUNDS ARE TO BE USED FOR GENERAL SUPPORT OF THEIR MISSION, WE DO NOT REQUIRE THESE ORGANIZATIONS TO SUBSTANTIATE THEIR EXPENDITURES RELATED TO THESE CONTRIBUTIONS. FOR SOME PROJECTS, HOWEVER, A FINAL REPORT IS REQUIRED TO SUBSTANTIATE THE EXPENDITURES.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <FirstClassOrCharterTravelInd>X</FirstClassOrCharterTravelInd>
      <TravelForCompanionsInd>X</TravelForCompanionsInd>
      <IdemnificationGrossUpPmtsInd>X</IdemnificationGrossUpPmtsInd>
      <WrittenPolicyRefTAndEExpnssInd>1</WrittenPolicyRefTAndEExpnssInd>
      <SubstantiationRequiredInd>1</SubstantiationRequiredInd>
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>1</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>BILL BRUCE</PersonNm>
        <TitleTxt>CHIEF TECHNOLOGY OFFICER</TitleTxt>
        <BaseCompensationFilingOrgAmt>239139</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>10254</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>5637</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>36206</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>19392</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>310628</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ELLEN MOORE</PersonNm>
        <TitleTxt>CHIEF EDUCATION OFFICER</TitleTxt>
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        <OtherCompensationFilingOrgAmt>8013</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>53308</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>9007</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>350153</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>KAREN L HACKETT</PersonNm>
        <TitleTxt>CHIEF EXECUTIVE OFFICER</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>100000</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>5160</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>89192</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>15665</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>688762</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>RICHARD JSTEWART</PersonNm>
        <TitleTxt>CFO/COO</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>40507</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>10002</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>56188</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>15665</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>468006</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>RICHARD N PETERSON</PersonNm>
        <TitleTxt>GENERAL COUNSEL</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>8715</OtherCompensationFilingOrgAmt>
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        <DeferredCompensationFlngOrgAmt>72392</DeferredCompensationFlngOrgAmt>
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        <NontaxableBenefitsFilingOrgAmt>15665</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>413850</TotalCompensationFilingOrgAmt>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>HOWARD MEVIS</PersonNm>
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        <OtherCompensationFilingOrgAmt>7686</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>47985</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>15665</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>302297</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>SUSAN MCSORLEY</PersonNm>
        <TitleTxt>DIR. CONVENTIONS/MEETINGS</TitleTxt>
        <BaseCompensationFilingOrgAmt>175239</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <OtherCompensationFilingOrgAmt>5035</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>46155</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>19392</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>249082</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>HANS KOELSCH</PersonNm>
        <TitleTxt>DIRECTOR OF PUBLICATIONS</TitleTxt>
        <BaseCompensationFilingOrgAmt>188007</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>2754</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>1722</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>48068</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>15665</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>256216</TotalCompensationFilingOrgAmt>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JENNIFER JONES</PersonNm>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <OtherCompensationFilingOrgAmt>3846</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
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        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
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        <BaseCompensationFilingOrgAmt>163569</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <DeferredCompensationFlngOrgAmt>24181</DeferredCompensationFlngOrgAmt>
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        <NontaxableBenefitsFilingOrgAmt>15665</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>210989</TotalCompensationFilingOrgAmt>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>LAURA ABRAHAMS</PersonNm>
        <TitleTxt>DIRECTOR OF HUMAN RESOURCES</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>2754</BonusFilingOrganizationAmount>
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        <OtherCompensationFilingOrgAmt>505</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>36916</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>19392</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>225092</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>TINA SLAGER</PersonNm>
        <TitleTxt>DIRECTOR OF FINANCE</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <OtherCompensationFilingOrgAmt>4415</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>19965</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>12734</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>194363</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>AIRFARE ONE CLASS UP FROM COACH IS AVAILABLE TO THE PRESIDENTIAL LINE FOR ALL ACADEMY ACTIVITIES, AND 5 PEOPLE RECEIVED THIS BENEFIT IN 2015, WHICH IS NOT TREATED AS TAXABLE COMPENSATION. AIRFARE ONE CLASS UP FROM COACH IS AVAILABLE TO THE BOARD OF DIRECTORS FOR ALL BOARD-RELATED ACTIVITIES AND 17 PEOPLE RECEIVED THIS BENEFIT IN 2015, WHICH IS NOT TREATED AS TAXABLE COMPENSATION. TRAVEL FOR COMPANIONS IS AVAILABLE TO THE BOARD OF DIRECTORS AND EXECUTIVE TEAM MEMBERS (CEO, COO/CFO, CHIEF TECHNOLOGY OFFICER, CHIEF EDUCATION OFFICER, MEDICAL DIRECTOR, AND GENERAL COUNSEL) AND THE AMOUNT OF COMPANION TRAVEL WAS TREATED AS TAXABLE COMPENSATION TO ALL WHO RECEIVED THIS BENEFIT (4 PEOPLE IN 2015). THE BOARD OF DIRECTORS RECEIVES GROSS-UP PAYMENTS FOR THIS COMPENSATION AND THAT IS ALSO TREATED AS TAXABLE COMPENSATION (13 PEOPLE IN 2015).</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 4B</FormAndLineReferenceDesc>
        <ExplanationTxt>KAREN HACKETT, CHIEF EXECUTIVE OFFICER, ACCRUED A 457F SUPPLEMENTAL RETIREMENT PAYMENT OF $18,000, WHICH IS INCLUDED IN SCHEDULE J, PART II DEFERRED COMPENSATION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>AS A MEMBERSHIP ASSOCIATION, THE ORGANIZATION CURRENTLY HAS 38,599 MEMBERS. THERE ARE TWO CATEGORIES OF MEMBERSHIP IN THE ACADEMY: FELLOWS AND MEMBERS. ONLY FELLOWS SHALL HAVE THE RIGHT TO VOTE AND HOLD OFFICE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>ELECTIONS OF THE OFFICERS AND THE AT-LARGE MEMBERS OF THE ACADEMY BOARD OF DIRECTORS SHALL BE DETERMINED BY THE ADOPTION OF THE REPORT OF THE NOMINATING COMMITTEE OR BY THE VOICE, WRITTEN, OR ELECTRONIC BALLOT OF THOSE FELLOWS PRESENT AT THE BUSINESS MEETING OF THE ANNUAL MEETING. EACH FELLOW WHO IS PRESENT AT THE BUSINESS MEETING OF THE ANNUAL MEETING SHALL BE ENTITLED TO ONE (1) VOTE FOR EACH OFFICER OF THE ACADEMY, MEMBER OF THE BOARD OF DIRECTORS, MEMBER OF THE MEMBERSHIP COMMITTEE, AND NOMINEES TO THE AMERICAN BOARD OF ORTHOPAEDIC SURGERY TO BE ELECTED. THOSE INDIVIDUALS RECEIVING THE GREATEST NUMBER OF VOTES SHALL BE CONSIDERED ELECTED, EVEN IF THEY DO NOT RECEIVE A MAJORITY OF THE VOTES CAST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD RETAINS THE SERVICES OF AN INDEPENDENT CPA FIRM TO PREPARE THE ORGANIZATION'S FORM 990. MANAGEMENT REVIEWS THE COMPLETED FORM 990 AND PROVIDES A FULL COPY TO ALL VOTING MEMBERS OF THE GOVERNING BODY PRIOR TO FILING. A CONFERENCE CALL IS SCHEDULED FOR THE CPA FIRM AND ORGANIZATION MANAGEMENT TO DISCUSS THE FORM 990 WITH THE FINANCE COMMITTEE AND TO ANSWER ANY QUESTIONS PRIOR TO FILING FORM 990 WITH THE IRS. THE FINANCE COMMITTEE HAS BEEN DELEGATED THE AUTHORITY TO REVIEW AND APPROVE THE FORM 990 BY THE VOTING MEMBERS OF THE GOVERNING BODY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>BOARD MEMBERS, KEY VOLUNTEERS, AND KEY STAFF ARE NOTIFIED IN WRITING TWICE A YEAR TO UPDATE THEIR WRITTEN DISCLOSURES. THE DISCLOSURE DATABASE IS MAINTAINED ELECTRONICALLY AND ANYONE WHO HAS NOT UPDATED THEIR RECORD IS NOTIFIED UNTIL THEY HAVE DONE SO. ADDITIONALLY, BEFORE EVERY BOARD AND COMMITTEE MEETING PARTICIPANTS ARE ASKED IF THEY HAVE ANYTHING NEW TO DISCLOSE. THE CHAIR OF THE GOVERNANCE GROUP SHALL ALSO HAVE THE PREROGATIVE OF REQUESTING A PARTICIPANT TO PROVIDE FURTHER INFORMATION OR AN EXPLANATION IF THE CHAIR IDENTIFIES A POTENTIAL CONFLICT OF INTEREST REGARDING THAT PARTICIPANT. THE CHAIR SHALL BE GUIDED BY THE MOST CURRENT VERSION OF THE PROTOCOL FOR THE PRESIDENT TO USE IN HANDLING POTENTIAL CONFLICT OF INTEREST ISSUES BEFORE THE ACADEMY BOARD OF DIRECTORS. BASED ON THE INFORMATION PROVIDED IN THE ACADEMY ORTHOPAEDIC DISCLOSURE PROGRAM AND/OR UPON A FURTHER REVIEW, THE CHAIR OF THE ACADEMY GOVERNANCE GROUP MAY DETERMINE THAT THE PARTICIPANT SHALL: 1) DISCLOSE THE POTENTIAL CONFLICT AND CONTINUE TO PARTICIPATE FULLY IN THE ACADEMY GOVERNANCE GROUP'S DISCUSSIONS AND VOTE; ["DISCLOSURE OPTION"] 2) DISCLOSE THE POTENTIAL CONFLICT, ADDRESS ANY QUESTIONS OTHER MEMBERS OF THE GROUP HAVE ON THE SUBJECT, THEN LEAVE THE ROOM AND NOT PARTICIPATE IN FURTHER DISCUSSION AND VOTE ["RECUSAL FROM VOTE OPTION"] OR 3) DEPART FROM THE ROOM UNTIL THE MATTER HAS BEEN FULLY DISCUSSED AND ACTED UPON. ["RECUSAL FROM DISCUSSION AND VOTE OPTION"].</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>A COMPENSATION COMMITTEE IS DESIGNATED BY THE VOTING MEMBERS OF THE GOVERNING BODY AND IS CHARGED WITH DEVELOPING AND NEGOTIATING THE TERMS OF EMPLOYMENT AND ESTABLISHING THE TOTAL COMPENSATION PACKAGE FOR DESIGNATED POSITIONS WHICH INCLUDE OFFICERS AND KEY EMPLOYEES. AN EVALUATION PROCESS IS COMPLETED ANNUALLY AND A RECOMMENDATION IS MADE REGARDING COMPENSATION THAT IS SENT TO THE BOARD FOR APPROVAL. THIS PROCESS INCLUDES THE CHIEF EXECUTIVE OFFICER, CHIEF OPERATING OFFICER/CHIEF FINANCIAL OFFICER, CHIEF TECHNOLOGY OFFICER, CHIEF EDUCATION OFFICER, MEDICAL DIRECTOR, AND GENERAL COUNSEL. FOR ALL OTHER KEY EMPLOYEES AND STAFF POSITIONS, A MARKET STUDY REVIEW IS PERFORMED EVERY THREE TO FOUR YEARS COMPARING JOB DESCRIPTIONS WITH OTHER ENTITIES TO DETERMINE REASONABLE SALARY RANGES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING DOCUMENTS AND THE CONFLICT OF INTEREST POLICY ARE AVAILABLE ON THE ORGANIZATION'S WEBSITE WHICH IS OPEN TO THE PUBLIC. FINANCIAL STATEMENTS ARE AVAILABLE THROUGH THE APPLICABLE GOVERNMENTAL AGENCIES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>LOSS ON ORTHO PROPERTIES LLC -14,326.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>THIS PROCESS HAS NOT CHANGED FROM THE PRIOR YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PRESIDENT, FIRST VICE-PRESIDENT, SECOND VICE-PRESIDENT, TREASURER, CHAIR OF THE BOARD OF COUNCILORS, AND CHAIR OF THE BOARD OF SPECIALTY SOCIETIES SHALL CONSTITUTE THE EXECUTIVE COMMITTEE. THE EXECUTIVE COMMITTEE SHALL HANDLE MATTERS REQUIRING ACTION BETWEEN BOARD MEETINGS. THE EXECUTIVE COMMITTEE MAY ACT ON BEHALF OF THE BOARD OF DIRECTORS BETWEEN MEETINGS OF THE BOARD, BUT SUCH ACTIONS ARE SUBJECT TO RATIFICATION BY THE FULL BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
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          <CityNm>ROSEMONT</CityNm>
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        <PrimaryActivitiesTxt>SUPPORT EDUCATIONAL ACTIVITIES OF AAOS</PrimaryActivitiesTxt>
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        <ShareOfEOYAssetsAmt>15528920</ShareOfEOYAssetsAmt>
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      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
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      <PerformOfServicesForOthOrgInd>1</PerformOfServicesForOthOrgInd>
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      <SharingOfFacilitiesInd>1</SharingOfFacilitiesInd>
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      <ReimbursementPaidByOtherOrgInd>1</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>1</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
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        <TransactionTypeTxt>C</TransactionTypeTxt>
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        <MethodOfAmountDeterminationTxt>COST</MethodOfAmountDeterminationTxt>
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      <TransactionsRelatedOrgGrp>
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          <BusinessNameLine1Txt>ORTHO PROPERTIES LLC</BusinessNameLine1Txt>
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        <TransactionTypeTxt>B</TransactionTypeTxt>
        <InvolvedAmt>742905</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>COST</MethodOfAmountDeterminationTxt>
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      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>ORTHO PROPERTIES LLC</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>D</TransactionTypeTxt>
        <InvolvedAmt>432876</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>COST</MethodOfAmountDeterminationTxt>
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      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>ORTHO PROPERTIES LLC</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>J</TransactionTypeTxt>
        <InvolvedAmt>2975279</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>COST</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
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          <BusinessNameLine1Txt>ORTHO PROPERTIES LLC</BusinessNameLine1Txt>
        </OtherOrganizationName>
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        <MethodOfAmountDeterminationTxt>COST</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
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  </ReturnData>
</Return>