Consolidated Statements of Shareholders' Equity (USD $)
In Millions, unless otherwise specified
Common Stock
Capital in Excess of Par Value
Retained Earnings
Accumulated Other Comprehensive Loss
Total World Fuel Shareholders' Equity
Noncontrolling Interest Equity
Total
Balance at Dec. 31, 2013 $ 0.7 $ 495.2 $ 1,207.3 $ (29.3) $ 1,673.9 $ 5.0 $ 1,678.9
Balance (in shares) at Dec. 31, 2013 71.9            
Increase (Decrease) in Shareholders' Equity              
Net income (loss)     50.7   50.7 (0.2) 50.5
Cash dividends declared     (2.6)   (2.6)   (2.6)
Amortization of share-based payment awards   3.8     3.8   3.8
Issuance of common stock related to share-based payment awards including income tax benefit of $0.9 and $0.5 for the three months ended March 2015 and March 2014 respectively   0.6     0.6   0.6
Issuance 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   (2.8)     (2.8)   (2.8)
Other comprehensive (loss) income       3.5 3.5   3.5
Balance at Mar. 31, 2014 0.7 496.8 1,255.4 (25.8) 1,727.1 4.8 1,731.9
Balance (in shares) at Mar. 31, 2014 72.0            
Balance at Dec. 31, 2014 0.7 496.4 1,418.5 (60.2) 1,855.4 9.5 1,864.9
Balance (in shares) at Dec. 31, 2014 72.1           72.1
Increase (Decrease) in Shareholders' Equity              
Net income (loss)     55.6   55.6 (1.0) 54.6
Cash dividends declared     (4.2)   (4.2)   (4.2)
Amortization of share-based payment awards   3.7     3.7   3.7
Issuance of common stock related to share-based payment awards including income tax benefit of $0.9 and $0.5 for the three months ended March 2015 and March 2014 respectively   1.0     1.0   1.0
Issuance 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   (4.0)     (4.0)   (4.0)
Purchases of common stock tendered by employees to satisfy the required withholding taxes related to share-based payment awards (in shares) (0.1)            
Other comprehensive (loss) income       (36.0) (36.0) 2.2 (33.8)
Balance at Mar. 31, 2015 $ 0.7 $ 497.1 $ 1,469.9 $ (96.2) $ 1,871.5 $ 10.7 $ 1,882.2
Balance (in shares) at Mar. 31, 2015 72.1           72.1