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Earnings Per Share | 12 Months Ended
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Dec. 31, 2016
Earnings Per Share |
10. | Earnings Per Share
Basic earnings per share (“EPS”) are calculated utilizing the weighted average number of common shares outstanding during the periods presented. Diluted EPS is calculated utilizing the weighted average number of common shares outstanding during the periods presented adjusted for the effect of dilutive common stock equivalents. The following table sets forth the computation of basic and diluted EPS for the fiscal years ended:
|  | December 31, 2016 |  |  | January 2, 2016 |  |  | January 3, 2015 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to Weight Watchers International, Inc. |  | $ | 67,699 |  |  | $ | 32,945 |  |  | $ | 117,787 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares of common stock outstanding |  |  | 63,742 |  |  |  | 58,369 |  |  |  | 56,607 |
Effect of dilutive common stock equivalents |  |  | 2,155 |  |  |  | 597 |  |  |  | 98 |
Weighted average diluted common shares outstanding |  |  | 65,897 |  |  |  | 58,966 |  |  |  | 56,705 |
Earnings per share attributable to Weight Watchers International, Inc. |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 1.06 |  |  | $ | 0.56 |  |  | $ | 2.08 |
Diluted |  | $ | 1.03 |  |  | $ | 0.56 |  |  | $ | 2.08 |
The number of anti-dilutive common stock equivalents excluded from the calculation of the weighted average number of common shares for diluted EPS was 1,536, 1,699 and 3,073 for the fiscal years ended December 31, 2016, January 2, 2016 and January 3, 2015, respectively.

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