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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2013
Earnings Per Share [Abstract] |
Calculation of Basic and Diluted Earning Per Share | Basic and diluted earnings per share for the three-month and nine-month periods ended September 30, 2013 and 2012 are calculated as follows:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
|  | 2013 |  | 2012 |  | 2013 |  | 2012
|  | (In thousands, except per share amounts)
Basic earnings per share |  |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |  |
Net income attributable to Albemarle Corporation |  | $ | 90,512 |  |  | $ | 109,459 |  |  | $ | 257,238 |  |  | $ | 273,810 |
Denominator: |  |  |  |  |  |  |  |
Weighted-average common shares for basic earnings per share |  | 81,385 |  |  | 89,327 |  |  | 84,711 |  |  | 89,246 |
Basic earnings per share |  | $ | 1.11 |  |  | $ | 1.23 |  |  | $ | 3.04 |  |  | $ | 3.07 |
Diluted earnings per share |  |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |  |
Net income attributable to Albemarle Corporation |  | $ | 90,512 |  |  | $ | 109,459 |  |  | $ | 257,238 |  |  | $ | 273,810 |
Denominator: |  |  |  |  |  |  |  |
Weighted-average common shares for basic earnings per share |  | 81,385 |  |  | 89,327 |  |  | 84,711 |  |  | 89,246 |
Incremental shares under stock compensation plans |  | 467 |  |  | 552 |  |  | 481 |  |  | 713 |
Total shares |  | 81,852 |  |  | 89,879 |  |  | 85,192 |  |  | 89,959 |
Diluted earnings per share |  | $ | 1.11 |  |  | $ | 1.22 |  |  | $ | 3.02 |  |  | $ | 3.04 |

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- Definition Tabular disclosure of the numerators and the denominators of the basic and diluted per-share (or per-unit) computations for income from continuing operations, including the effect that has been given to preferred dividends. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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