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v3.24.3

Goodwill and Acquired Client Relationships - Additional Information (Details) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($)
Estimated Future Amortization Expense of Finite-Lived Intangibles |  |  |  |
Cash received in Veritable Transaction |  | $ 287.4 |  |
Affiliate Transaction gain | $ 0.0 | $ 133.1 | $ 0.0 | $ 133.1
Third Party |  |  |  |
Estimated Future Amortization Expense of Finite-Lived Intangibles |  |  |  |
Subsidiary, ownership percentage, sold |  | 1 |  | 1
Acquired Client Relationships |  |  |  |
Intangible Assets |  |  |  |
Amortization and impairment expenses of intangible assets | 7.3 | $ 12.5 | 21.8 | $ 37.5
Estimated Future Amortization Expense of Finite-Lived Intangibles |  |  |  |
Finite-lived intangible, future amortization expense, remainder of fiscal year | 7.0 |  | 7.0 |
Finite-lived intangible, future amortization expense in year one | 25.0 |  | 25.0 |
Finite-lived intangible, future amortization expense in year two | 25.0 |  | 25.0 |
Finite-lived intangible, future amortization expense in year three | 25.0 |  | 25.0 |
Finite-lived intangible, future amortization expense in year four | 25.0 |  | 25.0 |
Finite-lived intangible, future amortization expense in year five | $ 15.0 |  | $ 15.0 |

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