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Income Taxes - Summary of Open Tax Years and Ongoing Tax Examinations in Major Jurisdictions (Detail) | 12 Months Ended
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Nov. 30, 2013
United States - Federal Income Tax [Member] |
Income Tax Contingency [Line Items] |
Examinations in Process | N/A
United States - Federal Income Tax [Member] | Initial Examination Period [Member] |
Income Tax Contingency [Line Items] |
Open Tax Years | 2009
United States - Federal Income Tax [Member] | Expiration Examination Period [Member] |
Income Tax Contingency [Line Items] |
Open Tax Years | 2012
United States - Various States [Member] |
Income Tax Contingency [Line Items] |
Examinations in Process | N/A
United States - Various States [Member] | Initial Examination Period [Member] |
Income Tax Contingency [Line Items] |
Open Tax Years | 2008
United States - Various States [Member] | Expiration Examination Period [Member] |
Income Tax Contingency [Line Items] |
Open Tax Years | 2012

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- Definition Tax year that remains open to examination under enacted tax laws, in CCYY format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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