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Earnings Per Share | 9 Months Ended
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Sep. 29, 2018
Earnings Per Share [Abstract] |
Earnings Per Share |
8. | 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:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 29, |  |  | September 30, |  |  | September 29, |  |  | September 30, |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weight Watchers International, Inc. |  | $ | 70,132 |  |  | $ | 44,719 |  |  | $ | 179,964 |  |  | $ | 100,544 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares of common stock outstanding |  |  | 66,701 |  |  |  | 64,463 |  |  |  | 66,074 |  |  |  | 64,237 |
Effect of dilutive common stock equivalents |  |  | 3,630 |  |  |  | 4,223 |  |  |  | 4,043 |  |  |  | 3,702 |
Weighted average diluted common shares outstanding |  |  | 70,331 |  |  |  | 68,686 |  |  |  | 70,117 |  |  |  | 67,939 |
Earnings per share attributable to Weight Watchers International, Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 1.05 |  |  | $ | 0.69 |  |  | $ | 2.72 |  |  | $ | 1.57 |
Diluted |  | $ | 1.00 |  |  | $ | 0.65 |  |  | $ | 2.57 |  |  | $ | 1.48 |
The number of anti-dilutive common stock equivalents excluded from the calculation of the weighted average number of common shares for diluted EPS was 9 and 1,862 for the three months ended September 29, 2018 and September 30, 2017, respectively. The number of anti-dilutive common stock equivalents excluded from the calculation of the weighted average number of common shares for diluted EPS was 35 and 1,230 for the nine months ended September 29, 2018 and September 30, 2017, respectively.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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