CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Millions, $ in Millions	Total	Total World Kinect Shareholders' Equity	Common Stock	Capital in Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interest Equity
Beginning balance (in shares) at Dec. 31, 2022			62.0
Beginning balance at Dec. 31, 2022	$ 1,990.7	$ 1,984.9	$ 0.6	$ 182.4	$ 1,962.5	$ (160.6)	$ 5.9
Increase (Decrease) in Shareholders' Equity
Net income (loss)	22.6	22.8			22.8		(0.2)
Cash dividends declared	(8.6)	(8.6)			(8.6)
Amortization of share-based payment awards	6.1	6.1		6.1
Issuance (cancellation) of common stock related to share-based payment awards (in shares)			0.1
Purchases of common stock tendered by employees to satisfy the required withholding taxes related to share-based payment awards	(0.3)	(0.3)		(0.3)
Other comprehensive income (loss)	3.5	3.5				3.5
Ending balance (in shares) at Mar. 31, 2023			62.1
Ending balance at Mar. 31, 2023	$ 2,014.0	2,008.3	$ 0.6	188.2	1,976.7	(157.1)	5.7
Beginning balance (in shares) at Dec. 31, 2023	59.8		59.8
Beginning balance at Dec. 31, 2023	$ 1,949.6	1,943.0	$ 0.6	109.6	1,981.6	(148.9)	6.7
Increase (Decrease) in Shareholders' Equity
Net income (loss)	27.2	27.4			27.4		(0.2)
Cash dividends declared	(10.1)	(10.1)			(10.1)
Amortization of share-based payment awards	5.9	5.9		5.9
Issuance (cancellation) of common stock related to share-based payment awards (in shares)			0.1
Purchases of common stock tendered by employees to satisfy the required withholding taxes related to share-based payment awards	(1.2)	(1.2)		(1.2)
Other comprehensive income (loss)	$ (12.9)	(12.9)				(12.9)
Ending balance (in shares) at Mar. 31, 2024	59.9		59.9
Ending balance at Mar. 31, 2024	$ 1,958.5	$ 1,952.0	$ 0.6	$ 114.3	$ 1,998.8	$ (161.7)	$ 6.5