Fair Value Disclosures (Narratives) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	May 31, 2017	May 31, 2016	May 31, 2017	May 31, 2016	Nov. 30, 2016
Fair Value Disclosures [Abstract]
Long-lived assets held and used, carrying value	$ 20,000		$ 20,000		$ 89,100
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of Real Estate	4,302	$ 9,930	7,519	$ 11,276	49,600
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	$ 12,500		$ 12,500		$ 39,500