EQUITY METHOD INVESTMENTS - Statements of Operations Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2018	Feb. 28, 2017
OGC
Schedule Of Equity Method Investments [Line Items]
Total revenues	$ 34,960	$ 37,075
Total operating expenses	26,775	27,105
Net income (loss)	8,180	7,973
OCC
Schedule Of Equity Method Investments [Line Items]
Total revenues	2,489	2,053
Total operating expenses	2,141	2,473
Net income (loss)	$ 180	$ (1,215)