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v3.25.3

Investments (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Investments | $ 895.1 |  | $ 895.1 |  | $ 812.7
Fair Value [Abstract] |  |  |  |  |
Fair value investments at beginning of the period |  |  | 742.0 | $ 740.8 |
Investments in Real Estate Ventures, at Fair Value, Additions |  |  | 146.9 | 72.2 |
Investments in Real Estate Ventures, at Fair Value, Distributions |  |  | (56.9) | (17.3) |
Unrealized Gain (Loss) on Investments |  |  | (28.2) | (10.7) |
Investments in Real Estate Ventures, at Fair Value, Foreign Currency Translation |  |  | 16.3 | 2.1 |
Investments previously accounted at cost that are now being accounted for at Net Asset value | 24.6 |  | 24.6 |  |
Fair value investments at end of the period | 844.7 | $ 795.5 | 844.7 | 795.5 |
Equity Investments accounted for under the measurement alternative | 13.0 |  | 13.0 |  |
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] |  |  |  |  |
Fair Value [Abstract] |  |  |  |  |
Fair value investments at beginning of the period | 293.1 | 367.8 | 330.3 | 367.3 |
Fair value investments at end of the period | 309.0 | 378.8 | 309.0 | 378.8 |
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Investments [Member] |  |  |  |  |
Fair Value [Abstract] |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | 0.0 | $ 0.0 | 0.0 | $ 8.4 |
Software and Technology Solutions |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Guarantor Obligations, Maximum Exposure, Undiscounted | 7.7 |  | 7.7 |  |
Investments | 357.2 |  | 357.2 |  | 372.8
Fair Value [Abstract] |  |  |  |  |
Asset Impairment Charges |  |  | 2.2 |  |
Investment Management |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Guarantor Obligations, Maximum Exposure, Undiscounted | 210.1 |  | 210.1 |  |
Investments | 502.4 |  | 502.4 |  | 406.1
Other Investments and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Investments | $ 35.5 |  | $ 35.5 |  | $ 33.8

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