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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 29, 2018
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The following table sets forth the computation of basic and diluted EPS for the fiscal years ended:
|  | December 29, |  |  | December 30, |  |  | December 31, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to |  |  |  |  |  |  |  |  |  |  |  |
Weight Watchers International, Inc. |  | $ | 223,749 |  |  | $ | 163,514 |  |  | $ | 67,699 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares of common stock outstanding |  |  | 66,280 |  |  |  | 64,329 |  |  |  | 63,742 |
Effect of dilutive common stock equivalents |  |  | 3,835 |  |  |  | 3,919 |  |  |  | 2,155 |
Weighted average diluted common shares outstanding |  |  | 70,115 |  |  |  | 68,248 |  |  |  | 65,897 |
Earnings per share attributable to Weight Watchers International, Inc. |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 3.38 |  |  | $ | 2.54 |  |  | $ | 1.06 |
Diluted |  | $ | 3.19 |  |  | $ | 2.40 |  |  | $ | 1.03 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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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