CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY - USD ($) shares in Millions, $ in Millions	Total	Cumulative Effect, Period of Adoption, Adjustment	Total World Fuel Shareholders’ Equity	Total World Fuel Shareholders’ Equity Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Capital in Excess of Par Value	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interest Equity
Beginning balance (in shares) at Dec. 31, 2019					65.2
Beginning balance at Dec. 31, 2019	$ 1,893.9	$ (11.1)	$ 1,890.4	$ (11.1)	$ 0.7	$ 274.7	$ 1,761.3	$ (11.1)	$ (146.3)	$ 3.5
Increase (Decrease) in Shareholders' Equity
Net income (loss)	109.6		109.6				109.6			0.1
Cash dividends declared	(25.5)		(25.5)				(25.5)
Amortization of share-based payment awards	(1.1)		(1.1)			(1.1)
Issuance (cancellation) of common stock related to share-based payment awards (in shares)					0.3
Issuance (cancellation) of common stock related to share-based payment awards	1.2		1.2			1.2
Purchases of common stock tendered by employees to satisfy the required withholding taxes related to share-based payment awards	$ (3.1)		(3.1)			(3.1)
Purchases of common stock (in shares)	(2.6)				(2.6)
Purchases of common stock	$ (68.3)		(68.3)			(68.3)
Other comprehensive income (loss) before reclassifications	13.7		13.7						13.7
Other	3.7		3.7			1.2	2.4
Ending balance (in shares) at Dec. 31, 2020					62.9
Ending balance at Dec. 31, 2020	1,912.9		1,909.3		$ 0.6	204.6	1,836.7		(132.6)	3.6
Increase (Decrease) in Shareholders' Equity
Net income (loss)	74.2		73.7				73.7			0.5
Cash dividends declared	(30.0)		(30.0)				(30.0)
Amortization of share-based payment awards	19.6		19.6			19.6
Issuance (cancellation) of common stock related to share-based payment awards (in shares)					0.4
Issuance (cancellation) of common stock related to share-based payment awards	0.3		0.3			0.2
Purchases of common stock tendered by employees to satisfy the required withholding taxes related to share-based payment awards	$ (5.8)		(5.8)			(5.8)
Purchases of common stock (in shares)	(1.7)				(1.7)
Purchases of common stock	$ (50.5)		(50.5)			(50.5)
Other comprehensive income (loss) before reclassifications	(4.1)		(4.1)						(4.1)
Other	$ 0.2		0.2				0.2
Ending balance (in shares) at Dec. 31, 2021	61.7				61.7
Ending balance at Dec. 31, 2021	$ 1,916.8		1,912.7		$ 0.6	168.1	1,880.6		(136.7)	4.1
Increase (Decrease) in Shareholders' Equity
Net income (loss)	115.9		114.1				114.1			1.7
Cash dividends declared	(32.2)		(32.2)				(32.2)
Amortization of share-based payment awards	17.6		17.6			17.6
Issuance (cancellation) of common stock related to share-based payment awards (in shares)					0.4
Issuance of common stock for acquisition of a business (in shares)					1.8
Issuance of common stock for acquisition of a business	$ 50.0		50.0			50.0
Purchases of common stock tendered by employees to satisfy the required withholding taxes related to share-based payment awards (in shares)	0.2
Purchases of common stock tendered by employees to satisfy the required withholding taxes related to share-based payment awards	$ (4.6)		(4.6)			(4.6)
Purchases of common stock (in shares)	(2.0)				(2.0)
Purchases of common stock	$ (48.7)		(48.7)			(48.7)
Other comprehensive income (loss) before reclassifications	$ (24.0)		(24.0)						(24.0)
Ending balance (in shares) at Dec. 31, 2022	62.0				62.0
Ending balance at Dec. 31, 2022	$ 1,990.7		$ 1,984.9		$ 0.6	$ 182.4	$ 1,962.5		$ (160.6)	$ 5.9