Supplemental Financial Statement Information - Cash Flow (Details 3) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2013
Supplemental Financial Statement Information
Increase in value of available-for-sale securities: Investment in Centaur Media Plc	$ 46	$ 285	$ 480
Increase (decrease) in accounts payable and accrued liabilities related to additions to real estate assets	(632)	1,097
Income tax refund received		61	56
Interest payments, inclusive of capitalized interest	4,180	3,860	3,664
Interest capitalized included in interest payments	$ 777	$ 580	$ 71