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Legal Matters (Details) (USD $)	12 Months Ended		0 Months Ended			3 Months Ended
	Nov. 30, 2012 Nevada Development Contract Litigation	Dec. 31, 2007 Nevada Development Contract Litigation acre	Sep. 14, 2012 KB Home Coastal Inc. et al adv. Estancia Coastal	Jun. 04, 2012 KB Home Coastal Inc. et al adv. Estancia Coastal	Dec. 27, 2011 KB Home Coastal Inc. et al adv. Estancia Coastal	May 31, 2012 KB Home Coastal Inc. et al adv. Estancia Coastal
Loss Contingencies [Line Items]
Acres of purchased land by LVDA		83
Expected compensatory damages	$ 55,000,000				$ 9,800,000
Loss Contingency, Range of Possible Loss, Minimum	0
Court judgement in favor of plaintiff in the amount			1,400,000	9,200,000
Pre-judgment interest to be paid in litigation settlement				900,000
Additional legal accrual recorded						8,800,000
Accrual for compensatory damage						$ 11,700,000

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