Equity and Other Investments - Additional Information (Detail) (USD $)	3 Months Ended
	Feb. 29, 2012	Feb. 28, 2011	Nov. 30, 2011
Schedule of Equity Method Investments [Line Items]
Equity in net loss from equity investments	$ (301,000)	$ (226,000)
Equity investments	150,402,000		100,137,000
380 Development
Schedule of Equity Method Investments [Line Items]
Number of acres purchased in the New York City borough of Staten Island	676
Kansas Entertainment
Schedule of Equity Method Investments [Line Items]
Ownership interest in joint venture	50.00%	50.00%
Equity in net loss from equity investments	(300,000)	(200,000)
Approved square foot casino	95,000
Approved number of slot machines	2,000
Approved number of table games	52
Approved number of parking spaces	1,253
Estimated share of capitalized development costs, excluding contribution of land	145,000,000
Funded capitalized development costs	134,300,000
Kansas Entertainment | Poker Tables
Schedule of Equity Method Investments [Line Items]
Approved number of table games	12
Motorsports Authentics
Schedule of Equity Method Investments [Line Items]
Ownership interest in joint venture	50.00%
Equity investments	0
Expiration of guaranty upon MA making payments to one NASCAR team licensor	2013-01
Guaranty exposure to one NASCAR team licensor	$ 1,200,000