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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2012
Earnings Per Share |
Fiscal Year Ended December 31, |  |  | Six Months Ended December 31, |  |  | Fiscal Year Ended June, 30 |
|  | 2012 |  |  | 2011 |  |  | 2010 |  |  | 2010 |
BASIC EARNINGS PER SHARE |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to Gold Fields shareholders |  |  | 654.3 |  |  |  | 881.5 |  |  |  | 12.6 |  |  |  | 391.0 |
Shares outstanding - beginning of year |  |  | 723,735,186 |  |  |  | 720,796,887 |  |  |  | 705,903,511 |  |  |  | 704,749,849 |
Weighted average number of shares issued |  |  | 3,724,271 |  |  |  | 1,579,341 |  |  |  | 5,108,162 |  |  |  | 614,351 |
Weighted average number of shares issued at the end of the year |  |  | 727,459,457 |  |  |  | 722,376,228 |  |  |  | 711,011,673 |  |  |  | 705,364,200 |
Basic earnings per share |  |  | 0.90 |  |  |  | 1.22 |  |  |  | 0.02 |  |  |  | 0.55 |
DILUTED EARNINGS PER SHARE |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to Gold Fields shareholders |  |  | 654.3 |  |  |  | 881.5 |  |  |  | 12.6 |  |  |  | 391.0 |
Weighted average number of shares issued at the end of the year |  |  | 727,459,457 |  |  |  | 722,376,228 |  |  |  | 711,011,673 |  |  |  | 705,364,200 |
Effect of dilutive securities |  |  | 3,264,493 |  |  |  | 8,411,270 |  |  |  | 8,677,377 |  |  |  | 9,185,642 |
|  |  | 730,723,950 |  |  |  | 730,787,498 |  |  |  | 719,689,050 |  |  |  | 714,549,842 |
Diluted earnings per share |  |  | 0.90 |  |  |  | 1.21 |  |  |  | 0.02 |  |  |  | 0.55 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations. + References No definition available. + Details
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