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Investments in Unconsolidated Joint Ventures (Details 1) (USD $) In Thousands, unless otherwise specified | Nov. 30, 2011 Joint_Venture | Nov. 30, 2010 Joint_Venture
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Number of investments in unconsolidated joint ventures |  |
Number of investments in unconsolidated joint ventures | 8 | 10
Investments in unconsolidated joint ventures |  |
Investments in unconsolidated joint ventures | $ 127,926 | $ 105,583
South Edge [Member] |  |
Number of investments in unconsolidated joint ventures |  |
Number of investments in unconsolidated joint ventures | 0 | 1
Investments in unconsolidated joint ventures |  |
Investments in unconsolidated joint ventures | 0 | 55,269
Outstanding debt of unconsolidated joint ventures |  |
Outstanding debt of unconsolidated joint ventures | 0 | 327,856
Others [Member] |  |
Number of investments in unconsolidated joint ventures |  |
Number of investments in unconsolidated joint ventures | 8 | 9
Investments in unconsolidated joint ventures |  |
Investments in unconsolidated joint ventures | $ 127,926 | $ 50,314

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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6382870&loc=d3e33749-111570 + Details
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