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Selected Quarterly Results of Operations (Unaudited) | 12 Months Ended
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Sep. 30, 2021
Quarterly Financial Information Disclosure [Abstract] |
Selected Quarterly Results of Operations (Unaudited) | Note 22 — Selected Quarterly Results of Operations (Unaudited) The following are details of the unaudited quarterly results of operations for the three months ended:
|  | September 30, |  |  | June 30, |  |  | March 31, |  |  | December 31, |
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 |
2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  | $ | 1,052,948 |  |  | $ | 1,026,201 |  |  | $ | 1,047,933 |  |  | $ | 1,041,957 |
Operating income |  |  | 146,938 |  |  |  | 147,531 |  |  |  | 156,712 |  |  |  | 143,577 |
Net income |  |  | 134,463 |  |  |  | 120,407 |  |  |  | 127,038 |  |  |  | 115,932 |
Basic earnings per share |  |  | 1.02 |  |  |  | 0.90 |  |  |  | 0.95 |  |  |  | 0.86 |
Diluted earnings per share |  |  | 1.01 |  |  |  | 0.90 |  |  |  | 0.94 |  |  |  | 0.85 |

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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=124502072&loc=SL124452896-108306 + Details
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