Cash Equivalents, Maturity Period

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- Definition

Number of Promoted Events

+ References

No definition available.

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- Definition

Number of Seats

+ References

No definition available.

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- Definition

Number of Suites

+ References

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- Definition

Percent of gross broadcast rights fees for broadcast rights fees allocated to each NASCAR Sprint Cup, Nationwide or Camping World Truck series event.

+ References

No definition available.

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- Definition

Percent of gross broadcast rights fees for broadcast rights fees allocated to each NASCAR Sprint Cup, Nationwide or Camping World Truck series event that is paid to NASCAR from the event promoter for prize money to be disbursed to the competitors.

+ References

No definition available.

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- Definition

Percentage of Gross Broadcast Rights Revenue Retained

+ References

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- Definition

Sanction Agreements Period

+ References

No definition available.

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 720

-SubTopic 35

-Section 50

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- Definition

The noncurrent portion of deferred revenue amount as of balance sheet date. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized, and is not expected to be recognized in the next twelve months. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 605

-SubTopic 10

-Section S99

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-Subparagraph (SAB TOPIC 13.A.4(a).Q1)

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-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section 45

-Paragraph 8

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 13

-Section A

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- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

+ Details

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DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) (USD $)	12 Months Ended
	Nov. 30, 2014 Seat Suite Property	Nov. 30, 2013	Nov. 30, 2012
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of major motorsports entertainment facilities owned and/or operated	13us-gaap_NumberOfRealEstateProperties
Number of grandstand seats	831,500isca_NumberOfSeats
Number of suites	527isca_NumberOfSuites
Sanction agreements period	1 year
Long-Term Deferred Income	$ 9,548,000us-gaap_DeferredRevenueNoncurrent	$ 8,604,000us-gaap_DeferredRevenueNoncurrent
Advertising expense	16,500,000us-gaap_AdvertisingExpense	15,100,000us-gaap_AdvertisingExpense	15,300,000us-gaap_AdvertisingExpense
Preferred Access Speedway Seating Agreements
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Long-Term Deferred Income	$ 5,500,000	$ 6,500,000
Sprint Cup Series Events
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of motorsports entertainment facilities promoted events	21
Nationwide Series Events
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of motorsports entertainment facilities promoted events	15
Camping World Trucks Series Events
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of motorsports entertainment facilities promoted events	9
Grand American Road Racing Association
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of motorsports entertainment facilities promoted events	3
National Hot Rod Association
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of motorsports entertainment facilities promoted events	1
IndyCar Series
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of motorsports entertainment facilities promoted events	1
Minimum
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of motorsports entertainment facilities promoted events	100
Maximum
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Maturity period for all highly liquid investments when purchased to be cash equivalents	3 months
NASCAR
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Allocation of broadcast rights fees for each NASCAR Sprint Cup, Nationwide or Camping World Truck series event	10.00%
Event Promoter
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Allocation of broadcast rights fees for each NASCAR Sprint Cup, Nationwide or Camping World Truck series event	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%