Summary of Intangible Assets (Detail) - USD ($) $ in Thousands	May. 31, 2015	Nov. 30, 2014
Intangible Assets by Major Class [Line Items]
Net Carrying Amount	$ 178,625	$ 178,629
Motorsports Event
Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	178,725	178,725
Accumulated Amortization	100	96
Net Carrying Amount	178,625	178,629
Motorsports Event | Amortized intangible assets
Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	119	119
Accumulated Amortization	100	96
Net Carrying Amount	19	23
Motorsports Event | Amortized intangible assets | Food, beverage and merchandise contracts
Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	10	10
Accumulated Amortization	10	9
Net Carrying Amount	0	1
Motorsports Event | Amortized intangible assets | Other
Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	109	109
Accumulated Amortization	90	87
Net Carrying Amount	19	22
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 | Other
Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	793	793
Net Carrying Amount	793	793
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