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Earnings Per Share | 3 Months Ended
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Mar. 31, 2017
Earnings Per Share [Abstract] |
Earnings Per Share |
9. | EARNINGS PER SHARE
Below are the computations of basic and diluted earnings per share for the three months ended March 31, 2017 and 2016:
(In thousands, except per share amounts) |  | Three Months Ended March 31 |
|  | 2017 |  |  | 2016 |
Computation of Basic Earnings per Share |  |  |  |  |  |  |  |
Net income attributable to Stepan Company |  | $ | 31,913 |  |  | $ | 27,916 |
Weighted-average number of common shares outstanding |  |  | 22,901 |  |  |  | 22,733 |
Basic earnings per share |  | $ | 1.39 |  |  | $ | 1.23 |
Computation of Diluted Earnings per Share |  |  |  |  |  |  |  |
Net income attributable to Stepan Company |  | $ | 31,913 |  |  | $ | 27,916 |
Weighted-average number of shares outstanding |  |  | 22,901 |  |  |  | 22,733 |
Add weighted-average net shares from assumed exercise of options (under treasury stock method) (1) |  |  | 183 |  |  |  | 133 |
Add weighted-average net shares related to unvested stock awards (under treasury stock method) |  |  | 8 |  |  |  | 4 |
Add weighted-average net shares from assumed exercise of SARs (under treasury stock method) (1) |  |  | 142 |  |  |  | –– |
Add weighted-average contingently issuable net shares related to performance stock awards (under treasury stock method) |  |  | 97 |  |  |  | 29 |
Weighted-average shares applicable to diluted earnings |  |  | 23,331 |  |  |  | 22,899 |
Diluted earnings per share |  | $ | 1.37 |  |  | $ | 1.22 |
(1) Options/SARs to acquire 74,521 and 89,617 shares of Company common stock were excluded from the computations of diluted earnings per share for the three months ended March 31, 2017 and March 31, 2016, because the effect of including the instruments would have been antidilutive.

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