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Investments in Unconsolidated Joint Ventures (Narrative) (Details) (USD $) | 12 Months Ended
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Nov. 30, 2013 joint_venture | Nov. 30, 2012 acre joint_venture | Nov. 30, 2011
Schedule of Equity Method Investments [Line Items] |  |  |
Loss on loan guaranty | $ 0 | $ 0 | $ (30,765,000)
Equity Method Investment, Other than Temporary Impairment | 0 | 0 | 53,727,000
Investments in unconsolidated joint ventures | 130,192,000 | 123,674,000 |
Anticipated land to be acquired owned by unconsolidated joint venture in acre |  | 600 |
Number of investments in unconsolidated joint ventures | 9 | 8 |
Investments in Unconsolidated Joint Ventures with Debt |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Number of investments in unconsolidated joint ventures | 0 | 0 |
South Edge |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Net Payment Obligation |  |  | 251,900,000
Equity Method Investment, Other than Temporary Impairment |  |  | 53,700,000
Investments in Unconsolidated Joint Ventures with Inspirada Builders LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments in unconsolidated joint ventures | $ 75,900,000 | $ 71,000,000 |

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- Definition This item represents an other than temporary decline in value that has been recognized against an investment accounted for under the equity method of accounting. The excess of the carrying amount over the fair value of the investment represents the amount of the write down which is or was reflected in earnings. The written down value is a new cost basis with the adjusted value of the investment becoming its new carrying value subject to the equity accounting method. Evidence of a loss in value might include, but would not necessarily be limited to, absence of an ability to recover the carrying amount of the investment or inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 35 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=7658923&loc=d3e32787-111569 + 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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