LONG-TERM STOCK INCENTIVE PLAN - Additional Information (Details) (USD $)	12 Months Ended
	Nov. 30, 2013 CompensationPlan	Nov. 30, 2012	Nov. 30, 2011	Nov. 30, 2013 Restricted Stock Units (RSUs)	Nov. 30, 2012 Restricted Stock Units (RSUs)	Nov. 30, 2011 Restricted Stock Units (RSUs)	Nov. 30, 2013 Restricted Stock Units (RSUs) Certain Officers and Managers	Nov. 30, 2012 Restricted Stock Units (RSUs) Certain Officers and Managers	Nov. 30, 2011 Restricted Stock Units (RSUs) Certain Officers and Managers	Nov. 30, 2013 Restricted Stock Units (RSUs) Third Anniversary Of Grant Date	Nov. 30, 2013 Restricted Stock Units (RSUs) Fifth Anniversary Of Grant Date	Nov. 30, 2013 Restricted Stock Non Employee Directors, Plan	Nov. 30, 2012 Restricted Stock Non Employee Directors, Plan	Nov. 30, 2011 Restricted Stock Non Employee Directors, Plan	Nov. 30, 2013 Restricted Stock One Year Anniversary After Gant Date	Nov. 30, 2013 Employee Stock Option	Nov. 30, 2012 Employee Stock Option	Nov. 30, 2011 Employee Stock Option	Nov. 30, 2013 Employee Stock Option Non Employee Directors, Plan	Nov. 30, 2013 Employee Stock Option Certain Non-Employee Directors	Nov. 30, 2013 Employee Stock Option Non-officer manager	Nov. 30, 2013 Incentive Plan (the "1996 Plan")	Apr. 30, 2006 Employee Stock Plan, 2006 Plan
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Number of share-based compensation plans	2
Stock-based compensation	$ 2,500,000	$ 1,900,000	$ 1,500,000
Total income tax benefit recognized for share-based compensation arrangements	992,000	735,000	576,000
Number of shares authorized for grant																						1,000,000	1,000,000
Plan Termination date																						September 2006
Share awarded and issued				90,054			80,514	171,802	50,798			9,540	9,168	10,560
Vesting percentage of stock options issued										50.00%	50.00%				100.00%
Weighted average grant date fair value				$ 32.72			$ 32.87	$ 26.69	$ 30.60			$ 31.47	$ 26.18	$ 28.41
Unrecognized compensation cost				5,300,000
Unrecognized compensation cost period of recognition				3 years 7 months
Total fair value vested				1,300,000	1,300,000	1,200,000
Period of exercisable																				one year after the date of grant
Expiration period from the date of grant																				10 years	10 years
Vesting period																			1 year		2 years 6 months
Options exercised in period	13,250	0	2,000
Total intrinsic value of options exercised																102,000	0	7,000
Actual tax benefit realized for the tax deductions from exercise of the stock options																$ 40,000	$ 0	$ 3,000