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USD ($) / shares

USD ($)

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USD ($)

USD ($) / shares

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USD ($) / shares

USD ($)

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USD ($)

USD ($) / shares

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 -Publisher SEC
 -Name Regulation S-X (SX)
 -Number 210
 -Section 03
 -Paragraph 1
 -Article 5

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USD ($)
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10/29/2009 - 1/27/2010
USD ($)
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4/29/2010 - 1/26/2011
USD ($)
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4/30/2009 - 1/27/2010
USD ($)
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the reconciliation of total revenues from reportable segments to the entity's consolidated revenues.</ElementDefenition><ElementReferences>Reference 1: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 131
 -Paragraph 32
 -Subparagraph a

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

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10/28/2010 - 1/26/2011
USD ($)
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10/29/2009 - 1/27/2010
USD ($)
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4/29/2010 - 1/26/2011
USD ($)
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4/30/2009 - 1/27/2010
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 -Name Statement of Financial Accounting Standard (FAS)
 -Number 131
 -Paragraph 32
 -Subparagraph a

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 -Name Statement of Financial Accounting Standard (FAS)
 -Number 131
 -Paragraph 32
 -Subparagraph b

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10/29/2009 - 1/27/2010
USD ($)
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 -Name Statement of Financial Accounting Standard (FAS)
 -Number 131
 -Paragraph 32
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 -Name Statement of Financial Accounting Standard (FAS)
 -Number 131
 -Paragraph 32
 -Subparagraph b

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

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

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

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

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 -Name Statement of Financial Accounting Standard (FAS)
 -Number 131
 -Paragraph 32
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 -Name Statement of Financial Accounting Standard (FAS)
 -Number 131
 -Paragraph 32
 -Subparagraph b

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