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Common Shares and Share-Based Compensation (Tables) | 3 Months Ended
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Dec. 31, 2021
Weighted Average Number of Shares Outstanding Reconciliation [Abstract] |
Schedule Of Basic And Diluted Earnings Per Share Reconciliation |
| Three Months Ended December 31, |  |
| 2020 |  |  | 2021 |  |  |  |  |
Basic shares outstanding | 598.5 |  |  | 594.6 |  |  |  |  |
Dilutive shares | 3.4 |  |  | 3.5 |  |  |  |  |
Diluted shares outstanding | 601.9 |  |  | 598.1 |  |  |  |  |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + 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=124432515&loc=d3e3550-109257 + Details
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