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Goodwill and Other Intangible Assets (Tables) | 3 Months Ended
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Mar. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract] |
Summary of Goodwill | A summary of the Company's goodwill is as follows:
|  | U.S. Operating Segment |  |  | International Operating Segment |  |  | Total |
Balance at January 1, 2023 (1) |  | $ | 1,182.9 |  |  | $ | 68.0 |  |  | $ | 1,250.9 |
Foreign currency translation adjustments |  |  | — |  |  |  | 2.4 |  |  |  | 2.4 |
Balance at March 31, 2023 (1) |  | $ | 1,182.9 |  |  | $ | 70.4 |  |  | $ | 1,253.3 |
(1) Balances are presented net of accumulated impairment losses of $214.0 for the U.S. operating segment and $43.8 for the international operating segment. See discussion of the qualitative impairment analysis performed by the Company as of March 31, 2023 at Note 13.
Intangible Assets | A summary of the Company's intangible assets is as follows:
|  | Balance at January 1, 2023 |  | Amortization |  | Foreign Currency Translation Adjustments |  | Balance at March 31, 2023 |
Intangible assets with finite lives: |  |  |  |  |  |  |  |  |
Gross carrying amount |  | $ | 77.7 |  | $ | — |  | $ | — |  | $ | 77.7 |
Accumulated amortization |  |  | (73.2 | ) |  | (0.5 | ) |  | — |  |  | (73.7 | )
Total net intangible assets with finite lives |  | $ | 4.5 |  | $ | (0.5 | ) | $ | — |  | $ | 4.0 |
Intangible assets with indefinite lives: |  |  |  |  |  |  |  |  |
Tradename and other |  |  | 300.1 |  |  | — |  |  | 0.1 |  |  | 300.2 |
Total intangible assets, net |  | $ | 304.6 |  | $ | (0.5 | ) | $ | 0.1 |  | $ | 304.2 |
Estimated Aggregate Future Amortization Expense for Intangible Assets | The estimated aggregate future amortization expense for intangible assets is as follows:
|  | Estimated |
|  | Amortization |
For the nine months ended December 31, 2023 |  | $ | 1.5 |
For the twelve months ended December 31, 2024 |  |  | 2.0 |
For the twelve months ended December 31, 2025 |  |  | 0.5 |
Total |  | $ | 4.0 |

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