Document and Entity Information (USD $)	12 Months Ended
	Nov. 30, 2013	May 31, 2013	Dec. 31, 2013 Class A Common Stock, $.01 par value, 80,000,000 shares authorized; 26,081,558 and 26,182,518 issued and outstanding in 2012 and 2013, respectively	Dec. 31, 2013 Class B Common Stock, $.01 par value, 40,000,000 shares authorized; 20,050,277 and 19,994,663 issued and outstanding in 2012 and 2013, respectively
Document Information [Line Items]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Nov. 30, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	FY
Trading Symbol	ISCA
Entity Registrant Name	INTERNATIONAL SPEEDWAY CORP
Entity Central Index Key	0000051548
Current Fiscal Year End Date	--11-30
Entity Well-known Seasoned Issuer	Yes
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Large Accelerated Filer
Entity Public Float		$ 968,850,113.50
Entity Common Stock, Shares Outstanding			26,524,018	19,991,313