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Investments in Unconsolidated Joint Ventures (Information for Investments in Unconsolidated Joint Ventures) (Details) (USD $) In Thousands, unless otherwise specified | Feb. 28, 2013 joint_venture | Nov. 30, 2012 joint_venture
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Schedule of Equity Method Investments [Line Items] |  |
Number of investments in unconsolidated joint ventures | 8 | 8
Investments in unconsolidated joint ventures | $ 123,210 | $ 123,674
Investments in Unconsolidated Joint Ventures with Debt |  |
Schedule of Equity Method Investments [Line Items] |  |
Number of investments in unconsolidated joint ventures | 0 |

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- Definition Number of investments in unconsolidated joint ventures. + References No definition available. + Details
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- Definition Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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