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v3.25.1

Investments (Details) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 USD ($) investment | Mar. 31, 2024 USD ($) | Dec. 31, 2024 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |
Number of separate property or fund co-investments | investment | 50 |  |
Investments | $ 902.4 |  | $ 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 | 115.7 | 15.6 |
Investments in Real Estate Ventures, at Fair Value, Distributions | (6.0) | (6.4) |
Unrealized Gain (Loss) on Investments | (27.7) | (3.1) |
Investments in Real Estate Ventures, at Fair Value, Foreign Currency Translation | 7.4 | (6.3) |
Investments previously accounted at cost that are now being accounted for at Net Asset value | 24.6 |  |
Fair value investments at end of the period | 856.0 | 743.8 |
Equity Investments accounted for under the measurement alternative | 9.9 |  |
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] |  |  |
Fair Value [Abstract] |  |  |
Fair value investments at beginning of the period | 330.3 | 367.3 |
Fair value investments at end of the period | 311.0 | 369.7 |
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 | $ 3.2 |
Software and Technology Solutions |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Guarantor Obligations, Maximum Exposure, Undiscounted | 8.8 |  |
Investments | 352.9 |  | 372.8
Investment Management |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Guarantor Obligations, Maximum Exposure, Undiscounted | 192.2 |  |
Investments | 514.5 |  | 406.1
Other Investments and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments | $ 35.0 |  | $ 33.8

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