CAPITAL STOCK - Additional Information (Details) (USD $)	12 Months Ended
	Nov. 30, 2013	Nov. 30, 2012	Nov. 30, 2011
Schedule of Capitalization, Equity [Line Items]
Preferred Stock, shares authorized	1,000,000.0
Preferred Stock, par value	$ 0.01
Stock Purchase Plan, purchased amount during period	$ 259,000	$ 10,556,000	$ 37,404,000
Class A Common Stock, $.01 par value, 80,000,000 shares authorized; 26,081,558 and 26,182,518 issued and outstanding in 2012 and 2013, respectively
Schedule of Capitalization, Equity [Line Items]
Common Stock, shares authorized	80,000,000	80,000,000
Common Stock, par value	$ 0.01	$ 0.01
Common Stock, votes per share	0.2
Class A Common Stock, $.01 par value, 80,000,000 shares authorized; 26,081,558 and 26,182,518 issued and outstanding in 2012 and 2013, respectively | Stock Repurchase Plan
Schedule of Capitalization, Equity [Line Items]
Common Stock, shares authorized	80,000,000.0
Stock Purchase Plan, authorized purchase amount	330,000,000.0
Stock Purchase Plan, purchased shares to date	7,063,962
Stock Purchase Plan, purchased amount to date	268,300,000
Stock Purchase Plan, purchased shares during period		405,538	1,435,811
Stock Purchase Plan, average cost per share (including commissions) during period		$ 25.40	$ 25.87
Stock Purchase Plan, purchased amount during period		10,300,000	37,100,000
Stock Purchase Plan, remaining repurchase authority	$ 61,700,000
Class B Common Stock, $.01 par value, 40,000,000 shares authorized; 20,050,277 and 19,994,663 issued and outstanding in 2012 and 2013, respectively
Schedule of Capitalization, Equity [Line Items]
Common Stock, shares authorized	40,000,000	40,000,000
Common Stock, par value	$ 0.01	$ 0.01
Common Stock, votes per share	1
Common Stock, conversion rate	1
Class B Common Stock, $.01 par value, 40,000,000 shares authorized; 20,050,277 and 19,994,663 issued and outstanding in 2012 and 2013, respectively | Maximum
Schedule of Capitalization, Equity [Line Items]
Maximum percentage of common Stock to be outstanding to exercise conversion right	10.00%