Summary of Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Feb. 29, 2012	Nov. 30, 2011
Intangible Assets by Major Class [Line Items]
Net Carrying Amount	$ 178,689	$ 178,701
Motorsports Event
Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	178,708	178,724
Accumulated Amortization	19	23
Net Carrying Amount	178,689	178,701
Motorsports Event | Amortized intangible assets
Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	102	118
Accumulated Amortization	19	23
Net Carrying Amount	83	95
Motorsports Event | Amortized intangible assets | Food, beverage and merchandise contracts
Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	10	10
Accumulated Amortization	7	7
Net Carrying Amount	3	3
Motorsports Event | Amortized intangible assets | Other
Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	92	108
Accumulated Amortization	12	16
Net Carrying Amount	80	92
Motorsports Event | Non-amortized intangible assets
Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	178,606	178,606
Net Carrying Amount	178,606	178,606
Motorsports Event | Non-amortized intangible assets | NASCAR - sanction agreements
Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	177,813	177,813
Net Carrying Amount	177,813	177,813
Motorsports Event | Non-amortized intangible assets | Other
Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	793	793
Net Carrying Amount	$ 793	$ 793