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v3.10.0.1

Summary Quarterly Information (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Summary of unaudited quarterly result |  |  |  |  |  |  |  |  |  |  |
Revenue | $ 9,988.6 | $ 10,429.5 | $ 10,150.8 | $ 9,181.3 | $ 8,872.0 | $ 8,543.0 | $ 8,086.2 | $ 8,194.3 | $ 39,750.3 | $ 33,695.5 | $ 27,015.8
Gross profit | 262.2 | 266.7 | 246.2 | 243.4 | 229.9 | 239.9 | 231.0 | 231.4 | 1,018.5 | 932.2 | 899.0
Net income (loss) including noncontrolling interest | 29.8 | 38.7 | 29.2 | 31.3 | (193.7) | (37.9) | 30.3 | 31.1 | 129.0 | (170.3) | 126.4
Net income (loss) attributable to World Fuel | $ 29.6 | $ 38.2 | $ 28.7 | $ 31.2 | $ (193.1) | $ (38.5) | $ 30.0 | $ 31.3 | $ 127.7 | $ (170.2) | $ 126.5
Basic earnings per common share (in dollars per share) | $ 0.44 | $ 0.57 | $ 0.42 | $ 0.46 | $ (2.86) | $ (0.57) | $ 0.44 | $ 0.46 | $ 1.89 | $ (2.50) | $ 1.82
Diluted earnings per common share (in dollars per share) | $ 0.44 | $ 0.56 | $ 0.42 | $ 0.46 | $ (2.86) | $ (0.57) | $ 0.44 | $ 0.45 | $ 1.89 | $ (2.50) | $ 1.81
Effective income tax rate reconciliation, valuation allowance on U.S. deferred tax assets |  |  |  |  |  | $ 76.9 |  |  |  |  |
Goodwill and other impairments |  |  |  |  | $ 91.9 |  |  |  | $ 0.0 | $ 91.9 | $ 0.0
Cumulative loss period |  |  |  |  | 3 years |  |  |  |  |  |
Restructuring charges | $ 17.1 |  |  |  | $ 59.6 |  |  |  |  | 59.6 | $ 0.0
Transition tax toll charge on historic accumulated foreign earnings |  |  |  |  |  |  |  |  |  | $ 143.7 |

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