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Common Stock and Per Share Information (Tables) | 12 Months Ended
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May 30, 2020
Earnings Per Share [Abstract] |
Schedule of Calculation of Numerator and Denominator in Earnings Per Share | The following table reconciles the numerators and denominators used in the calculations of basic and diluted EPS for each of the last three fiscal years:
(In millions, except shares) | 2020 |  | 2019 |  | 2018
Numerator: |  |  |  |  |
Numerator for both basic and diluted EPS, Net (loss) earnings attributable to Herman Miller, Inc. | $ | (9.1 | ) |  | $ | 160.5 |  |  | $ | 128.1 |
Denominator: |  |  |  |  |
Denominator for basic EPS, weighted-average common shares outstanding | 58,920,653 |  |  | 59,011,945 |  |  | 59,681,268 |
Potentially dilutive shares resulting from stock plans | — |  |  | 369,846 |  |  | 630,037 |
Denominator for diluted EPS | 58,920,653 |  |  | 59,381,791 |  |  | 60,311,305 |

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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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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