LONG-TERM STOCK INCENTIVE PLAN Summary of Option Activity Under Stock Plan (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Nov. 30, 2013	Nov. 30, 2012	Nov. 30, 2011
Options Shares
Outstanding at beginning of period	224,252
Expired	(16,929)
Exercised	(13,250)	0	(2,000)
Forfeited	0
Outstanding at end of period	194,073	224,252
Exercisable at end of period	194,073
Options Weighted-Average Exercise Price
Outstanding at beginning of period	$ 40.25
Expired	$ 42.80
Exercised	$ 25.64
Forfeited	$ 0.00
Outstanding at end of period	$ 41.03	$ 40.25
Exercisable at end of period	$ 41.03
Options Weighted-Average Remaining Contractual Term
Outstanding at end of period	3 years 10 months 21 days
Exercisable at end of period	3 years 10 months 21 days
Options Aggregate Intrinsic Value
Outstanding at end of period	$ 499,933
Exercisable at end of period	$ 499,933