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EARNINGS PER SHARE (Tables) | 12 Months Ended
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Sep. 30, 2021
Earnings Per Share [Abstract] |
Information Used to Compute Earnings Per Share Attributable to Matthews' Common Shareholders | The information used to compute earnings (loss) per share attributable to Matthews' common shareholders was as follows:
| 2021 |  | 2020 |  | 2019
Net income (loss) attributable to Matthews shareholders | $ | 2,910 |  |  | $ | (87,155) |  |  | $ | (37,988) |
Weighted-average shares outstanding (in thousands): |  |  |  |  |
Basic shares | 31,696 |  |  | 31,190 |  |  | 31,416 |
Effect of dilutive securities | 291 |  |  | — |  |  | — |
Diluted shares | 31,987 |  |  | 31,190 |  |  | 31,416 |

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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=124432515&loc=d3e3550-109257 + Details
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