Amount of collateral that secures the outstanding letters of credit, included in restricted cash.

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Mortgages And Notes Payable Additional Textual Abstract.

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Mortgages and Notes Payable.

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- Definition

Number Of the Company's Subsidiaries Discharged From Guaranteeing Any Obligations With Respect To The Companys Senior Notes

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Number Of the Company's Subsidiaries Guaranteeing Obligations With Respect To The Companys Senior Notes

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Repayment of aggregate principal amount of senior notes.

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The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 21
-Paragraph 16, 20
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
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Interest rate stated in the contractual debt agreement.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

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-Name Accounting Standards Codification
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-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Amount represents the difference between the fair value of the payments made and the carrying amount of the debt at the time of its extinguishment.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount borrowed under the credit facility as of the balance sheet date.

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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 22
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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of all notes and loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 20, 22
-Article 5

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Mortgages and Notes Payable (Details) (USD $)	9 Months Ended
Mortgages and Notes Payable (Details) (USD $)	Aug. 31, 2011	Aug. 15, 2011	Nov. 30, 2010
Mortgages and Notes Payable
Mortgages and notes payable	$ 1,586,703,000		$ 1,775,529,000
Mortgages And Notes Payable Additional (Textual) [Abstract]
Letter of credit facility outstanding	64,300,000
Senior notes		100,000,000
Senior notes, rate		6.375%
Repayment of aggregate principal amount of senior notes		100,000,000
Mortgages and Notes Payable (Textuals) [Abstract]
Number of companies discharged from guaranteeing any obligations with respect to the Company's senior notes	6
Number of the company's subsidiaries guaranteeing obligations with respect to the Company's senior notes	Three
Gain on the early extinguishment of secured debt	3,600,000
Mortgages and Land Contracts Due to Land Sellers and Other Loans [Member]
Mortgages and Notes Payable
Mortgages and notes payable	28,381,000		118,057,000
Senior Notes Due 2014 At 5 Point 75 Percent [Member]
Mortgages and Notes Payable
Mortgages and notes payable	249,609,000		249,498,000
Mortgages And Notes Payable Additional (Textual) [Abstract]
Senior notes, rate	5.75%
Senior Notes Due 2015 At 5 Point 875 Percent [Member]
Mortgages and Notes Payable
Mortgages and notes payable	299,221,000		299,068,000
Mortgages And Notes Payable Additional (Textual) [Abstract]
Senior notes, rate	5.875%
Senior Notes Due 2015 At 6 Point 25 Percent [Member]
Mortgages and Notes Payable
Mortgages and notes payable	449,782,000		449,745,000
Mortgages And Notes Payable Additional (Textual) [Abstract]
Senior notes, rate	6.25%
Senior Notes Due 2011 At 6 Point 375 Percent [Member]
Mortgages and Notes Payable
Mortgages and notes payable	0		99,916,000
Mortgages And Notes Payable Additional (Textual) [Abstract]
Senior notes, rate	6.375%
Repayment of aggregate principal amount of senior notes		100,000,000
Senior Notes Due 2017 At 9 Point 1 Percent [Member]
Mortgages and Notes Payable
Mortgages and notes payable	260,732,000		260,352,000
Mortgages And Notes Payable Additional (Textual) [Abstract]
Senior notes	265,000,000
Senior notes, rate	9.10%
Senior Notes Due 2018 At 7 Point 25 Percent [Member]
Mortgages and Notes Payable
Mortgages and notes payable	298,978,000		298,893,000
Letter of Credit [Member]
Mortgages And Notes Payable Additional (Textual) [Abstract]
Letter of Credit Facility, collateral amount	$ 65,000,000