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Goodwill (Tables) | 9 Months Ended
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Sep. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract] |
Changes in Goodwill | The following table shows the changes in goodwill by reportable segment and in total:
|  | East |  |  | West |  |  |  |
|  | Group |  |  | Group |  |  | Total |
|  | (Dollars in Millions) |
Balance at January 1, 2022 |  | $ | 759.4 |  |  | $ | 2,735.0 |  |  | $ | 3,494.4 |
Acquisitions |  |  | — |  |  |  | 3.7 |  |  |  | 3.7 |
Adjustments to purchase price allocations |  |  | 5.0 |  |  |  | 288.8 |  |  |  | 293.8 |
Divestitures |  |  | — |  |  |  | (159.7 | ) |  |  | (159.7 | )
Goodwill reclassified from assets held for sale |  |  | — |  |  |  | 8.2 |  |  |  | 8.2 |
Balance at September 30, 2022 |  | $ | 764.4 |  |  | $ | 2,876.0 |  |  | $ | 3,640.4 |

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