Fair Value Disclosures (Details Textual) (USD $)	3 Months Ended					12 Months Ended
	Nov. 30, 2013	Nov. 30, 2012	Aug. 31, 2012	May 31, 2012	Feb. 29, 2012	Nov. 30, 2013	Nov. 30, 2012	Nov. 30, 2011
Fair Value Disclosures [Abstract]
Long-lived assets held and used, Carrying Value	$ 1,500,000	$ 68,000,000				$ 1,500,000	$ 68,000,000
Post impairment fair value of land parcels or communities						1,100,000	39,900,000
Impairment of Long-Lived Assets Held-for-use	$ 400,000	$ 5,200,000	$ 6,400,000	$ 9,900,000	$ 6,600,000	$ 391,000	$ 28,107,000	$ 22,730,000