0000789460 2020-07-22 2020-07-22 false 0000789460 8-K 2020-07-22 WORLD FUEL SERVICES CORPORATION FL 001-09533 59-2459427 9800 N.W. 41st Street Miami FL 33178 305 428-8000 false false false false Common Stock, par value $0.01 per share INT NYSE false