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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2018
Earnings Per Share [Abstract] |
Calculation of Basic and Diluted Earning Per Share | Basic and diluted earnings per share for the three-month periods ended March 31, 2018 and 2017 are calculated as follows (in thousands, except per share amounts):
| Three Months Ended March 31,
| 2018 |  | 2017
Basic earnings per share |  |  |
Numerator: |  |  |
Net income attributable to Albemarle Corporation | $ | 131,760 |  |  | $ | 51,213 |
Denominator: |  |  |
Weighted-average common shares for basic earnings per share | 110,681 |  |  | 111,986 |
Basic earnings per share | $ | 1.19 |  |  | $ | 0.46 |
Diluted earnings per share |  |  |
Numerator: |  |  |
Net income attributable to Albemarle Corporation | $ | 131,760 |  |  | $ | 51,213 |
Denominator: |  |  |
Weighted-average common shares for basic earnings per share | 110,681 |  |  | 111,986 |
Incremental shares under stock compensation plans | 1,186 |  |  | 1,303 |
Weighted-average common shares for diluted earnings per share | 111,867 |  |  | 113,289 |
Diluted earnings per share | $ | 1.18 |  |  | $ | 0.45 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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