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EARNINGS PER SHARE (Tables) | 9 Months Ended
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Sep. 30, 2024
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share Reconciliation | A reconciliation of net income and shares used to calculate basic and diluted earnings per share is as follows (dollars in millions and shares in thousands):
| Three months ended |  | Nine months ended
| September 30, |  | September 30,
| 2024 |  | 2023 |  | 2024 |  | 2023
Net income for basic and diluted earnings per share | $ | 9.3 |  |  | $ | 167.3 |  |  | $ | 237.9 |  |  | $ | 240.2 |
Shares: |  |  |  |  |  |  |
Weighted average shares outstanding for basic earnings per share | 105,101 |  |  | 112,689 |  |  | 107,265 |  |  | 113,836 |
Effect of dilutive securities on weighted average shares: |  |  |  |  |  |  |
Amounts related to employee benefit plans | 2,030 |  |  | 1,773 |  |  | 1,813 |  |  | 1,777 |
Weighted average shares outstanding for diluted earnings per share | 107,131 |  |  | 114,462 |  |  | 109,078 |  |  | 115,613 |

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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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