Fair Value Disclosures (Narratives) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	May 31, 2016	May 31, 2015	May 31, 2016	May 31, 2015	Nov. 30, 2015
Fair Value Disclosures [Abstract]
Long-lived assets held and used, carrying value	$ 17,800		$ 17,800		$ 20,000
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of Real Estate	9,930	$ 0	11,276	$ 0	8,000
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	$ 6,500		$ 6,500		$ 12,000