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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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      <ElementReferences>No authoritative reference available.</ElementReferences>
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      <Id>10</Id>
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      <PeriodType>duration</PeriodType>
      <ElementDataType>monetary</ElementDataType>
      <ShortDefinition>No definition available.</ShortDefinition>
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      <OriginalInstanceReportColumns />
      <ElementDefenition>Tax effects of the net changes to accumulated comprehensive income during the period related to benefit plans.</ElementDefenition>
      <ElementReferences>Reference 1: http://www.xbrl.org/2003/role/presentationRef
 -Publisher AICPA
 -Name Accounting Research Bulletin (ARB)
 -Number 51
 -Paragraph 38
 -Subparagraph c(3)

Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 130
 -Paragraph 25

</ElementReferences>
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  <SharesRoundingLevel>UnKnown</SharesRoundingLevel>
  <PerShareRoundingLevel>Hundreds</PerShareRoundingLevel>
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