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EARNINGS PER COMMON SHARE (Tables) | 12 Months Ended
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Sep. 30, 2021
Earnings Per Share [Abstract] |
Information to Calculate Basic and Diluted Earnings (Loss) Per Common Share | The following table presents information necessary to calculate basic and diluted income per Common Share.
| Year Ended September 30,
| 2021 |  | 2020 |  | 2019
Income from continuing operations | $ | 517.3 |  |  | $ | 386.9 |  |  | $ | 436.7 |
Net (income) loss attributable to noncontrolling interest | (0.9) |  |  | (1.2) |  |  | 0.5 |
Income attributable to controlling interest from continuing operations | 516.4 |  |  | 385.7 |  |  | 437.2 |
Income (loss) from discontinued operations, net of tax | (3.9) |  |  | 1.7 |  |  | 23.5 |
Net income attributable to controlling interest | $ | 512.5 |  |  | $ | 387.4 |  |  | $ | 460.7 |
Basic Income (Loss) Per Common Share: |  |  |  |  |
Weighted-average Common Shares outstanding during the period | 55.7 |  |  | 55.7 |  |  | 55.5 |
Income from continuing operations | $ | 9.27 |  |  | $ | 6.92 |  |  | $ | 7.88 |
Income (loss) from discontinued operations | (0.07) |  |  | 0.04 |  |  | 0.42 |
Basic net income per Common Share | $ | 9.20 |  |  | $ | 6.96 |  |  | $ | 8.30 |
Diluted Income (Loss) Per Common Share: |  |  |  |  |
Weighted-average Common Shares outstanding during the period | 55.7 |  |  | 55.7 |  |  | 55.5 |
Dilutive potential Common Shares | 1.5 |  |  | 1.2 |  |  | 0.8 |
Weighted-average number of Common Shares outstanding and dilutive potential Common Shares | 57.2 |  |  | 56.9 |  |  | 56.3 |
Income from continuing operations | $ | 9.03 |  |  | $ | 6.78 |  |  | $ | 7.77 |
Income (loss) from discontinued operations | (0.07) |  |  | 0.03 |  |  | 0.41 |
Diluted net income per Common Share | $ | 8.96 |  |  | $ | 6.81 |  |  | $ | 8.18 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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