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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 28, 2020
Earnings Per Share [Abstract] |
Computation of Basic and Diluted Earnings Per Share | The following table sets forth the computation of basic and diluted earnings per share.
| Quarter Ended
(In millions, except per share data) | March 28, 2020 |  | March 30, 2019
Numerator: |  |  |
Net earnings attributable to Wolverine World Wide, Inc. | $ | 13.0 |  |  | $ | 40.5 |
Adjustment for earnings allocated to non-vested restricted common stock | (0.2 | ) |  | (0.8 | )
Net earnings used in calculating basic and diluted earnings per share | $ | 12.8 |  |  | $ | 39.7 |
Denominator: |  |  |
Weighted average shares outstanding | 81.4 |  |  | 91.0 |
Adjustment for non-vested restricted common stock | (0.3) |  |  | (1.0) |
Shares used in calculating basic earnings per share | 81.1 |  |  | 90.0 |
Effect of dilutive stock options | 0.9 |  |  | 1.8 |
Shares used in calculating diluted earnings per share | 82.0 |  |  | 91.8 |
Net earnings per share: |  |  |
Basic | $ | 0.16 |  |  | $ | 0.44 |
Diluted | 0.16 |  |  | 0.43 |

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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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