Summary of Intangible Assets (Detail) (USD $) In Thousands	Aug. 31, 2011	Nov. 30, 2010
Intangible Assets by Major Class [Line Items]
Net Carrying Amount	$ 178,713	$ 178,609
Motorsports Event
Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	178,724	178,616
Accumulated Amortization	11	7
Net Carrying Amount	178,713	178,609
Motorsports Event | Amortized intangible assets
Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	118	10
Accumulated Amortization	11	7
Net Carrying Amount	107	3
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
Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	108
Accumulated Amortization	4
Net Carrying Amount	104
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
Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	793	793
Net Carrying Amount	$ 793	$ 793