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Earnings per Share (Tables) | 9 Months Ended
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Jun. 30, 2024
Earnings Per Share [Abstract] |
Schedule of Calculation of Numerator and Denominator in Earnings Per Share | The following is a reconciliation of the numerator and denominator of the diluted earnings per share computations for the periods presented below.
| Three Months Ended June 30, |  | Nine Months Ended June 30,
(in millions, except share amounts) | 2024 |  | 2023 |  | 2024 |  | 2023
Numerator: |  |  |  |  |  |  |
Net income | $ | 61.9 |  |  | $ | 69.5 |  |  | $ | 184.1 |  |  | $ | 187.8 |
Less: Allocation to participating securities | (2.2) |  |  | (2.4) |  |  | (6.5) |  |  | (6.3) |
Net income allocated to common stockholders | $ | 59.7 |  |  | $ | 67.1 |  |  | $ | 177.6 |  |  | $ | 181.5 |
Denominator: |  |  |  |  |  |  |
Weighted average number of: |  |  |  |  |  |  |
Common shares outstanding | 30,643,270 |  |  | 30,060,251 |  |  | 30,449,286 |  |  | 29,870,136 |
Dilutive potential common shares outstanding: |  |  |  |  |  |  |
Share-based awards | 1,099,762 |  |  | 921,200 |  |  | 1,038,084 |  |  | 997,337 |
Diluted weighted-average common shares | 31,743,032 |  |  | 30,981,451 |  |  | 31,487,370 |  |  | 30,867,473 |

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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 -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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