v3.26.1
Earnings Per Common Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Net Income (Loss) Attributable to Parent [Abstract]    
Net income (loss) attributable to World Kinect $ 26.2 $ (21.1)
Weighted Average Number of Shares Outstanding, Diluted [Abstract]    
Weighted average common shares for basic earnings per common share 51.7 56.8
Effect of dilutive securities 0.3 0.0
Weighted average common shares for diluted earnings per common share 52.0 56.8
Basic earnings (loss) per common share $ 0.51 $ (0.37)
Diluted earnings (loss) per common share $ 0.50 $ (0.37)
Weighted average securities which are not included in the calculation of diluted earnings per common share because their impact is anti-dilutive or their performance conditions have not been met 0.7 1.7