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Weighted Average Common Shares (Tables) | 6 Months Ended
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Mar. 31, 2019
Weighted Average Number of Shares Outstanding Reconciliation [Abstract] |
Schedule Of Basic And Diluted Earnings Per Share Reconciliation |
| Three Months Ended March 31, |  | Six Months Ended March 31,
| 2018 |  |  | 2019 |  |  | 2018 |  |  | 2019 |
Basic shares outstanding | 632.6 |  |  | 614.0 |  |  | 635.4 |  |  | 619.0 |
Dilutive shares | 3.4 |  |  | 4.1 |  |  | 2.9 |  |  | 3.9 |
Diluted shares outstanding | 636.0 |  |  | 618.1 |  |  | 638.3 |  |  | 622.9 |

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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=6371337&loc=d3e3550-109257 + Details
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