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Goodwill (Tables) | 3 Months Ended
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Mar. 31, 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 |
Adjustments to purchase price allocations |  |  | 5.0 |  |  |  | 3.8 |  |  |  | 8.8 |
Goodwill allocated to assets held for sale |  |  | — |  |  |  | (111.2 | ) |  |  | (111.2 | )
Balance at March 31, 2022 |  | $ | 764.4 |  |  | $ | 2,627.6 |  |  | $ | 3,392.0 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 + Details
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