Fair Value Disclosures (Narratives) (Details) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended
	Aug. 31, 2014	Aug. 31, 2013	Aug. 31, 2014	Aug. 31, 2013	Nov. 30, 2013
Fair Value Disclosures [Abstract]
Long-lived assets held and used, carrying value	$ 9,800,000		$ 9,800,000		$ 1,500,000
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of Real Estate	3,408,000	0	3,408,000	0	400,000
Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 6,400,000		$ 6,400,000		$ 1,100,000