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 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 131
 -Paragraph 27

</ElementReferences>
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 -Paragraph 1
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      <OriginalInstanceReportColumns />
      <ElementDataType>xbrli:monetaryItemType</ElementDataType>
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      <ElementReferences>Reference 1: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 131
 -Paragraph 27
 -Subparagraph b

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 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 131
 -Paragraph 27

</ElementReferences>
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          <Segments>
            <Segment>
              <IsDefaultForEntity>false</IsDefaultForEntity>
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          <Scenarios />
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            <Unit>
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                <MeasureSchema>http://www.xbrl.org/2003/iso4217</MeasureSchema>
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                <MeasureNamespace>iso4217</MeasureNamespace>
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              <Scale>0</Scale>
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          <CurrencySymbol>$</CurrencySymbol>
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          <hasSegments>true</hasSegments>
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          <Segments>
            <Segment>
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            <Unit>
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                <MeasureSchema>http://www.xbrl.org/2003/iso4217</MeasureSchema>
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      <ElementReferences>Reference 1: http://www.xbrl.org/2003/role/presentationRef
 -Publisher AICPA
 -Name Statement of Position (SOP)
 -Number 97-2
 -Paragraph 63

</ElementReferences>
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</InstanceReport>
