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Earnings Per Share (Tables) | 8 Months Ended
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Sep. 10, 2016
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.
| 12 Weeks Ended |  | 36 Weeks Ended
(In millions, except per share data) | September 10, 2016 |  | September 12, 2015 |  | September 10, 2016 |  | September 12, 2015
Numerator: |  |  |  |  |  |  |
Net earnings attributable to Wolverine World Wide, Inc. | $ | 48.2 |  |  | $ | 45.8 |  |  | $ | 89.6 |  |  | $ | 111.2 |
Adjustment for earnings allocated to non-vested restricted common stock | (1.0 | ) |  | (0.8 | ) |  | (1.9 | ) |  | (2.0 | )
Net earnings used in calculating basic earnings per share | 47.2 |  |  | 45.0 |  |  | 87.7 |  |  | 109.2 |
Adjustment for earnings reallocated from non-vested restricted common stock | — |  |  | — |  |  | — |  |  | 0.1 |
Net earnings used in calculating diluted earnings per share | $ | 47.2 |  |  | $ | 45.0 |  |  | $ | 87.7 |  |  | $ | 109.3 |
Denominator: |  |  |  |  |  |  |
Weighted average shares outstanding | 99.4 |  |  | 103.0 |  |  | 99.4 |  |  | 102.9 |
Adjustment for non-vested restricted common stock | (3.8 | ) |  | (3.3 | ) |  | (3.8) |  |  | (3.4) |
Shares used in calculating basic earnings per share | 95.6 |  |  | 99.7 |  |  | 95.6 |  |  | 99.5 |
Effect of dilutive stock options | 1.3 |  |  | 1.6 |  |  | 0.7 |  |  | 1.7 |
Shares used in calculating diluted earnings per share | 96.9 |  |  | 101.3 |  |  | 96.3 |  |  | 101.2 |
Net earnings per share: |  |  |  |  |  |  |
Basic | $ | 0.49 |  |  | $ | 0.45 |  |  | $ | 0.92 |  |  | $ | 1.10 |
Diluted | $ | 0.49 |  |  | $ | 0.44 |  |  | $ | 0.91 |  |  | $ | 1.08 |

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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://www.xbrl.org/2003/role/presentationRef -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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