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 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 131
 -Paragraph 32
 -Subparagraph a

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1/1/2008 - 12/31/2008
USD ($)
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segments.</ElementDefenition><ElementReferences>Reference 1: http://www.xbrl.org/2003/role/presentationRef
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 -Name Statement of Financial Accounting Standard (FAS)
 -Number 131
 -Paragraph 32
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1/1/2010 - 12/31/2010
USD ($)
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1/1/2009 - 12/31/2009
USD ($)
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1/1/2008 - 12/31/2008
USD ($)
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 -Name Statement of Financial Accounting Standard (FAS)
 -Number 131
 -Paragraph 32
 -Subparagraph a

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