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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2020
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, 2020 and 2019 are calculated as follows (in thousands, except per share amounts):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2020 |  | 2019 |  | 2020 |  | 2019
Basic earnings per share |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |
Net income attributable to Albemarle Corporation | $ | 98,301 |  |  | $ | 155,070 |  |  | $ | 291,129 |  |  | $ | 442,837 |
Denominator: |  |  |  |  |  |  |
Weighted-average common shares for basic earnings per share | 106,386 |  |  | 105,999 |  |  | 106,314 |  |  | 105,920 |
Basic earnings per share | $ | 0.92 |  |  | $ | 1.46 |  |  | $ | 2.74 |  |  | $ | 4.18 |
Diluted earnings per share |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |
Net income attributable to Albemarle Corporation | $ | 98,301 |  |  | $ | 155,070 |  |  | $ | 291,129 |  |  | $ | 442,837 |
Denominator: |  |  |  |  |  |  |
Weighted-average common shares for basic earnings per share | 106,386 |  |  | 105,999 |  |  | 106,314 |  |  | 105,920 |
Incremental shares under stock compensation plans | 487 |  |  | 300 |  |  | 326 |  |  | 404 |
Weighted-average common shares for diluted earnings per share | 106,873 |  |  | 106,299 |  |  | 106,640 |  |  | 106,324 |
Diluted earnings per share | $ | 0.92 |  |  | $ | 1.46 |  |  | $ | 2.73 |  |  | $ | 4.16 |

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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/2009/role/commonPracticeRef -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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