PROPERTY AND EQUIPMENT - Components of Property, Plant and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Nov. 30, 2014	Nov. 30, 2013
Property, Plant and Equipment [Abstract]
Land and leasehold improvements	$ 247,883isca_LandAndLandImprovementsGross	$ 246,138isca_LandAndLandImprovementsGross
Buildings, grandstands and motorsports entertainment facilities	1,529,904us-gaap_BuildingsAndImprovementsGross	1,520,405us-gaap_BuildingsAndImprovementsGross
Furniture and equipment	175,845us-gaap_FurnitureAndFixturesGross	169,979us-gaap_FurnitureAndFixturesGross
Construction in progress	245,642us-gaap_ConstructionInProgressGross	87,318us-gaap_ConstructionInProgressGross
Property, Plant and Equipment, Gross, Total	2,199,274us-gaap_PropertyPlantAndEquipmentGross	2,023,840us-gaap_PropertyPlantAndEquipmentGross
Less accumulated depreciation	818,084	746,864
Property and equipment, net	$ 1,381,190us-gaap_PropertyPlantAndEquipmentNet	$ 1,276,976us-gaap_PropertyPlantAndEquipmentNet

Land And Land Improvements Gross

No definition available.

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- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section 50

-Paragraph 1

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- Definition

Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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- Definition

Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

+ References

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- Definition

Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.

+ References

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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

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-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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