0000051548 2019-10-18 2019-10-18 false --11-30 0000051548 8-K 2019-10-18 INTERNATIONAL SPEEDWAY CORPORATION FL 000-02384 59-0709342 One Daytona Boulevard, Daytona Beach, FL 32114 386 254-2700 false false false false Class A Common Stock - $.01 par value ISCA NASDAQ false