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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2020
Earnings Per Share [Abstract] |
Calculation of Basic and Diluted Earnings Per Share | Basic and diluted earnings per share are calculated as follows (in thousands, except per share amounts):
| Year Ended December 31,
| 2020 |  | 2019 |  | 2018
Basic earnings per share |  |  |  |  |
Numerator: |  |  |  |  |
Net income attributable to Albemarle Corporation | $ | 375,764 |  |  | $ | 533,228 |  |  | $ | 693,562 |
Denominator: |  |  |  |  |
Weighted-average common shares for basic earnings per share | 106,402 |  |  | 105,949 |  |  | 108,427 |
Basic earnings per share | $ | 3.53 |  |  | $ | 5.03 |  |  | $ | 6.40 |
Diluted earnings per share |  |  |  |  |
Numerator: |  |  |  |  |
Net income attributable to Albemarle Corporation | $ | 375,764 |  |  | $ | 533,228 |  |  | $ | 693,562 |
Denominator: |  |  |  |  |
Weighted-average common shares for basic earnings per share | 106,402 |  |  | 105,949 |  |  | 108,427 |
Incremental shares under stock compensation plans | 406 |  |  | 372 |  |  | 1,031 |
Weighted-average common shares for diluted earnings per share | 106,808 |  |  | 106,321 |  |  | 109,458 |
Diluted earnings per share | $ | 3.52 |  |  | $ | 5.02 |  |  | $ | 6.34 |

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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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