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Selected Quarterly Results of Operations (Unaudited) (Tables) | 12 Months Ended
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Sep. 30, 2022
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Results of Operations | The following are details of the unaudited quarterly results of operations for the three months ended:
|  | Fourth Quarter |  |  | Third Quarter |  |  | Second Quarter |  |  | First Quarter |
2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  | $ | 1,166,504 |  |  | $ | 1,160,290 |  |  | $ | 1,145,271 |  |  | $ | 1,104,632 |
Operating income |  |  | 171,686 |  |  |  | 169,314 |  |  |  | 163,651 |  |  |  | 160,146 |
Net income |  |  | 128,936 |  |  |  | 128,466 |  |  |  | 158,497 |  |  |  | 133,602 |
Basic earnings per share |  |  | 1.06 |  |  |  | 1.05 |  |  |  | 1.29 |  |  |  | 1.07 |
Diluted earnings per share |  |  | 1.05 |  |  |  | 1.04 |  |  |  | 1.28 |  |  |  | 1.07 |
2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  | $ | 1,087,309 |  |  | $ | 1,066,254 |  |  | $ | 1,048,734 |  |  | $ | 1,086,343 |
Operating income |  |  | 154,330 |  |  |  | 154,919 |  |  |  | 149,244 |  |  |  | 140,200 |
Net income |  |  | 123,525 |  |  |  | 146,150 |  |  |  | 119,067 |  |  |  | 299,632 |
Basic earnings per share |  |  | 0.98 |  |  |  | 1.15 |  |  |  | 0.92 |  |  |  | 2.29 |
Diluted earnings per share |  |  | 0.97 |  |  |  | 1.14 |  |  |  | 0.91 |  |  |  | 2.28 |

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=126900988&loc=d3e1280-108306 + Details
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