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Earnings Per Share | 12 Months Ended
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Sep. 30, 2020
Earnings Per Share [Abstract] |
Earnings Per Share | Note 21 — Earnings Per Share The following table sets forth the computation of basic and diluted earnings per share:
|  | Year Ended September 30, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 497,840 |  |  | $ | 479,446 |  |  | $ | 354,396 |
Net income and dividends attributable to participating restricted shares |  |  | (3,663 | ) |  |  | (3,295 | ) |  |  | (2,650 | )
Numerator for basic earnings per common share |  | $ | 494,177 |  |  | $ | 476,151 |  |  | $ | 351,746 |
Undistributed income allocated to participating restricted shares |  |  | 2,417 |  |  |  | 2,252 |  |  |  | 1,617 |
Undistributed income reallocated to participating restricted shares |  |  | (2,406 | ) |  |  | (2,240 | ) |  |  | (1,603 | )
Numerator for diluted earnings per common share |  | $ | 494,188 |  |  | $ | 476,163 |  |  | $ | 351,760 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average number of shares outstanding — basic |  |  | 133,590 |  |  |  | 137,418 |  |  |  | 142,422 |
Weighted average number of participating restricted shares |  |  | (983 | ) |  |  | (944 | ) |  |  | (1,065 | )
Weighted average number of common shares — basic |  |  | 132,607 |  |  |  | 136,474 |  |  |  | 141,357 |
Effect of dilutive stock options granted |  |  | 642 |  |  |  | 691 |  |  |  | 1,282 |
Weighted average number of common shares — diluted |  |  | 133,249 |  |  |  | 137,165 |  |  |  | 142,639 |
Basic earnings per common share |  | $ | 3.73 |  |  | $ | 3.49 |  |  | $ | 2.49 |
Diluted earnings per common share |  | $ | 3.71 |  |  | $ | 3.47 |  |  | $ | 2.47 |
For the fiscal years ended September 30, 2020, 2019 and 2018, 2,634, 3,547 and 1,357 shares, respectively, on a weighted average basis, were attributable to antidilutive outstanding stock options and therefore were not included in the calculation of diluted earnings per share.

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