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Earnings Per Share | 12 Months Ended
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Sep. 30, 2022
Earnings Per Share [Abstract] |
Earnings Per Share | Note 20 — Earnings Per Share The following table sets forth the computation of basic and diluted earnings per share:
|  | Year Ended September 30, |
|  | 2022 |  |  | 2021 |  |  | 2020 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 549,501 |  |  | $ | 688,374 |  |  | $ | 497,840 |
Net income and dividends attributable to participating restricted stock |  |  | (7,880 | ) |  |  | (7,052 | ) |  |  | (3,663 | )
Numerator for basic earnings per common share |  | $ | 541,621 |  |  | $ | 681,322 |  |  | $ | 494,177 |
Undistributed income allocated to participating restricted stock |  |  | 5,159 |  |  |  | 5,199 |  |  |  | 2,417 |
Undistributed income reallocated to participating restricted stock |  |  | (5,124 | ) |  |  | (5,167 | ) |  |  | (2,406 | )
Numerator for diluted earnings per common share |  | $ | 541,656 |  |  | $ | 681,354 |  |  | $ | 494,188 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average number of shares outstanding — basic |  |  | 122,812 |  |  |  | 128,495 |  |  |  | 133,590 |
Weighted average number of participating restricted stock |  |  | (1,761 | ) |  |  | (1,316 | ) |  |  | (983 | )
Weighted average number of common shares — basic |  |  | 121,051 |  |  |  | 127,179 |  |  |  | 132,607 |
Effect of dilutive stock options and restricted stock units granted |  |  | 838 |  |  |  | 789 |  |  |  | 642 |
Weighted average number of common shares — diluted |  |  | 121,889 |  |  |  | 127,968 |  |  |  | 133,249 |
Basic earnings per common share |  | $ | 4.47 |  |  | $ | 5.36 |  |  | $ | 3.73 |
Diluted earnings per common share |  | $ | 4.44 |  |  | $ | 5.32 |  |  | $ | 3.71 |
For the fiscal years ended September 30, 2022, 2021 and 2020, 42, 858 and 2,634 shares, respectively, on a weighted average basis, were attributable to antidilutive outstanding stock options and restricted stock units. Shares attributable to antidilutive outstanding stock options and restricted stock units were not included in the calculation of diluted earnings per share.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI https://asc.fasb.org/topic&trid=2144383 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257 + Details
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