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Goodwill | 6 Months Ended
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Jun. 30, 2025
Goodwill |
Goodwill | Note 5. Goodwill ​ The change in the carrying amount of goodwill is as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ |  | ​ | ​ |  | (in millions)
Balance as of January 1, 2025 | ​ | ​ | ​ | ​ | ​ | ​ | $ | 2,161.8
Acquisitions | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 2.8
Purchase price allocation adjustments | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 0.7
Effect of foreign currency translation | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 5.1
Balance as of June 30, 2025 | ​ | ​ | ​ | ​ | ​ | ​ | $ | 2,170.4
​ We had no accumulated impairment losses related to goodwill as of June 30, 2025 and December 31, 2024.

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