Related Party Disclosures and Transactions - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended			3 Months Ended
	Feb. 29, 2012	Feb. 28, 2011	Nov. 30, 2011 Majority Shareholder	Feb. 28, 2011 NASCAR	Feb. 28, 2011 Event Promoter
Related Party Transaction [Line Items]
France Family Group, which contains NASCAR, ownership of voting interest in the Company			71.70%
Prize and point fund monies paid to NASCAR	$ 22.3	$ 27.7
Allocation of broadcast rights fees for each NASCAR Sprint Cup, Nationwide or Camping World Truck series event				10.00%	90.00%
Prize money paid by event promoter as a percent of broadcast rights fees for each NASCAR Sprint Cup, Nationwide or Camping World Truck series event					25.00%
Allocation Of gross broadcast rights revenue retained by the promoter					65.00%
Television broadcast and ancillary rights fees from continuing operations received from NASCAR for the NASCAR Sprint Cup, Nationwide and Camping World Truck series events recorded as part of motorsports related revenue	$ 53.7	$ 64.9