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Legal Matters (Details Textual) (USD $)	6 Months Ended		1 Months Ended		6 Months Ended
	May 31, 2012	May 31, 2012 Nevada Development Contract Litigation [Member] acre	Dec. 27, 2011 KB Home Coastal Inc. et al adv. Estancia Coastal [Member]	Feb. 29, 2012 KB Home Coastal Inc. et al adv. Estancia Coastal [Member]	May 31, 2012 Plaintiff [Member]	May 31, 2012 Maximum [Member] Plaintiff [Member]	May 31, 2012 Minimum [Member] Nevada Development Contract Litigation [Member]
Legal Matters (Textual) [Abstract]
Acres of purchased land by LVDA		83
Expected compensatory damages			$ 9,800,000				$ 0
Accrual for compensatory damage	11,700,000			2,900,000
Increase Decrease recorded Charges	8,800,000
Minimum compensatory damages sought by plaintiffs for Nevada Development Contract Litigation		55,000,000
Court judgment in favor of the plaintiff in the amount					9,200,000
Expected interest charges		41,000,000			900,000
Expected legal fees and costs						$ 1,800,000

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The portion of the carrying amount as of the balance sheet date of the combined total of loss contingency liabilities which is expected to be resolved within one year or the normal operating cycle, if longer.

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