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Long-Term Indebtedness (Parenthetical) (Detail) | Nov. 30, 2012 | Nov. 30, 2011 | Nov. 30, 2012 5.625% Senior Notes | Aug. 31, 2012 5.625% Senior Notes | Apr. 16, 2012 5.625% Senior Notes
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Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, interest rate | 2.00% | 2.00% | 5.625% | 5.625% | 5.625%

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- Definition Interest rate stated in the contractual debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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