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v3.10.0.1

Consolidated Statements of Shareholders' Equity - USD ($) shares in Millions, $ in Millions | Total | Common Stock | Capital in Excess of Par Value | Retained Earnings | Accumulated Other Comprehensive Loss | Total World Fuel Shareholders' Equity | Noncontrolling Interest Equity
--- | --- | --- | --- | --- | --- | --- | ---
Balance as of beginning of period at Dec. 31, 2016 | $ 1,940.0 | $ 0.7 | $ 399.9 | $ 1,679.3 | $ (154.8) | $ 1,925.0 | $ 15.0
Balance (in shares) at Dec. 31, 2016 |  | 69.9 |  |  |  |  |
Increase (Decrease) in Shareholders' Equity |  |  |  |  |  |  |
Net income | 61.3 |  |  | 61.4 |  | 61.4 |
Cash dividends declared | (8.2) |  |  | (8.2) |  | (8.2) |
Distribution of noncontrolling interest | (0.4) |  |  |  |  |  | (0.4)
Amortization of share-based payment awards | 9.3 |  | 9.3 |  |  | 9.3 |
Issuance (cancellation) of common stock related to share-based payment awards (in shares) |  | (0.6) |  |  |  |  |
Purchases of common stock tendered by employees to satisfy the required withholding taxes related to share-based payment awards | (3.9) |  | (3.9) |  |  | (3.9) |
Purchases of common stock tendered by employees to satisfy the required withholding taxes related to share-based payment awards (in shares) |  | 0.1 |  |  |  |  |
Purchases of common stock | (31.9) |  | (31.9) |  |  | (31.9) |
Purchases of common stock (in shares) |  | (0.9) |  |  |  |  |
Other comprehensive income (loss) | 28.1 |  |  |  | 27.0 | 27.0 | 1.1
Balance as of end of period at Jun. 30, 2017 | 1,994.3 | $ 0.7 | 373.3 | 1,732.4 | (127.8) | 1,978.6 | 15.7
Balance (in shares) at Jun. 30, 2017 |  | 68.6 |  |  |  |  |
Balance as of beginning of period at Dec. 31, 2017 | $ 1,738.0 | $ 0.7 | 354.9 | 1,492.8 | (126.5) | 1,721.9 | 16.0
Balance (in shares) at Dec. 31, 2017 | 67.7 | 67.7 |  |  |  |  |
Increase (Decrease) in Shareholders' Equity |  |  |  |  |  |  |
Net income | $ 60.5 |  |  | 59.9 |  | 59.9 | 0.6
Cash dividends declared | (8.1) |  |  | (8.1) |  | (8.1) |
Amortization of share-based payment awards | 6.5 |  | 6.5 |  |  | 6.5 |
Issuance (cancellation) of common stock related to share-based payment awards | 0.0 |  | 0.0 |  |  | 0.0 |
Issuance (cancellation) of common stock 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 | (2.1) |  | (2.1) |  |  | (2.1) |
Other comprehensive income (loss) | (21.1) |  |  | 0.0 | (19.8) | (19.8) | (1.3)
Reclassification of certain tax effects from U.S. Tax Reform | 1.6 |  |  | 1.6 |  | 1.6 |
Balance as of end of period at Jun. 30, 2018 | $ 1,775.3 | $ 0.7 | $ 359.3 | $ 1,546.3 | $ (146.3) | $ 1,760.0 | $ 15.3
Balance (in shares) at Jun. 30, 2018 | 67.8 | 67.8 |  |  |  |  |

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