CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Revenue	$ 12,481.6	$ 12,382.0
Cost of revenue	12,218.9	12,151.1
Gross profit	262.7	230.9
Operating expenses:
Compensation and employee benefits	119.2	114.9
General and administrative	79.0	74.7
Total operating expenses	198.2	189.6
Income from operations	64.6	41.3
Non-operating income (expenses), net:
Interest expense and other financing costs, net	(34.3)	(14.3)
Other income (expense), net	(3.5)	5.7
Total non-operating income (expense), net	(37.8)	(8.7)
Income (loss) before income taxes	26.7	32.6
Provision for income taxes	4.2	6.4
Net income (loss) including noncontrolling interest	22.6	26.3
Net income (loss) attributable to noncontrolling interest	(0.2)	(0.1)
Net income (loss) attributable to World Fuel	$ 22.8	$ 26.3
Basic earnings (loss) per common share	$ 0.37	$ 0.42
Basic weighted average common shares	62.2	63.4
Diluted earnings (loss) per common share	$ 0.36	$ 0.41
Diluted weighted average common shares	62.8	63.7
Comprehensive income:
Net income (loss) including noncontrolling interest	$ 22.6	$ 26.3
Other comprehensive income (loss):
Foreign currency translation adjustments	5.7	(9.4)
Cash flow hedges, net of income tax expense (benefit) of ($0.7) and ($7.0) for the three months ended March 31, 2023 and 2022, respectively	(2.2)	(19.3)
Total other comprehensive income (loss)	3.5	(28.7)
Comprehensive income (loss) including noncontrolling interest	26.1	(2.4)
Comprehensive income (loss) attributable to noncontrolling interest	(0.2)	(0.1)
Comprehensive income (loss) attributable to World Fuel	$ 26.3	$ (2.3)