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Goodwill and Identifiable Intangible Assets - Narrative (Details) $ in Millions | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) Reportingunit | Jun. 30, 2024 USD ($) | Feb. 28, 2025 USD ($) | Dec. 31, 2024 USD ($)
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Amortization of intangibles | $ 11.6 | $ 10.9 | $ 22.9 | $ 21.5 |  |
Accumulated impairment losses | $ 530.8 |  | $ 530.8 |  |  | $ 530.8
Number of reporting units | Reportingunit |  |  | 2 |  |  |
Buro |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Identifiable intangibles acquired |  |  |  |  | $ 5.8 |

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