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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2017
Earnings Per Share [Abstract] |
Calculation of Basic and Diluted Earnings Per Share | Basic and diluted earnings per share from continuing operations are calculated as follows (in thousands, except per share amounts):
| Year Ended December 31,
| 2017 |  | 2016 |  | 2015
Basic earnings per share from continuing operations |  |  |  |  |
Numerator: |  |  |  |  |
Net income from continuing operations | $ | 99,468 |  |  | $ | 478,638 |  |  | $ | 327,588 |
Net income from continuing operations attributable to noncontrolling interests | (44,618 | ) |  | (37,094 | ) |  | (25,158 | )
Net income from continuing operations attributable to Albemarle Corporation | $ | 54,850 |  |  | $ | 441,544 |  |  | $ | 302,430 |
Denominator: |  |  |  |  |
Weighted-average common shares for basic earnings per share | 110,914 |  |  | 112,379 |  |  | 111,182 |
Basic earnings per share from continuing operations | $ | 0.49 |  |  | $ | 3.93 |  |  | $ | 2.72 |
Diluted earnings per share from continuing operations |  |  |  |  |
Numerator: |  |  |  |  |
Net income from continuing operations | $ | 99,468 |  |  | $ | 478,638 |  |  | $ | 327,588 |
Net income from continuing operations attributable to noncontrolling interests | (44,618 | ) |  | (37,094 | ) |  | (25,158 | )
Net income from continuing operations attributable to Albemarle Corporation | $ | 54,850 |  |  | $ | 441,544 |  |  | $ | 302,430 |
Denominator: |  |  |  |  |
Weighted-average common shares for basic earnings per share | 110,914 |  |  | 112,379 |  |  | 111,182 |
Incremental shares under stock compensation plans | 1,466 |  |  | 860 |  |  | 374 |
Weighted-average common shares for diluted earnings per share | 112,380 |  |  | 113,239 |  |  | 111,556 |
Diluted earnings per share from continuing operations | $ | 0.49 |  |  | $ | 3.90 |  |  | $ | 2.71 |

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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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