Schedule III-Real Estate and Accumulated Depreciation - Rollforward (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2013
Cost
Balance at beginning of year	$ 209,284	$ 192,268	$ 180,671
Changes during the year:
Additions to real estate assets	30,556	16,680	13,769
Reclassification from (to) real estate held for sale	7,916	(9,236)	(962)
Writeoff of fully depreciated assets	(517)	(1,913)	(1,210)
Reclassification of real estate assets from property and equipment		11,485
Balance at end of year	247,239	209,284	192,268
Reserve
Balance at beginning of year	(74,762)	(61,078)	(56,744)
Changes during the year:
Additions to reserve charged to costs and expense	(6,539)	(5,747)	(5,545)
Reclassification to real estate held for sale			1
Writeoff of fully depreciated assets	517	1,913	1,210
Reclassification of real estate assets from property and equipment		(9,850)
Balance at end of year	$ (80,784)	$ (74,762)	$ (61,078)