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Business Combinations, Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2024
Business Acquistion, Pro Forma Results [Line Items] |
Summary of Earn-out Payments [Table Text Block] | Earn-Out Payments
($ in millions) | December 31, 2024 |  | December 31, 2023
Number of acquisitions with earn-out payments subject to the achievement of certain performance criteria | 13 |  |  | 14 |
Maximum earn-out payments (undiscounted) | $ | 108.0 |  |  | 100.0 |
Short-term earn-out liabilities (fair value)(1) | 12.0 |  |  | 12.0 |
Long-term earn-out liabilities (fair value)(1) | 23.8 |  |  | 45.5 |
(1) Included in Other current and Other long-term liabilities on the Consolidated Balance Sheets.
Movements in Goodwill by Reporting Segment |
(in millions) | Markets Advisory | Capital Markets | Work Dynamics | JLL Technologies | LaSalle |  | Consolidated
Balance as of December 31, 2022 | $ | 1,742.9 |  | 1,949.2 |  | 532.6 |  | 247.7 |  | 55.6 |  |  | $ | 4,528.0 |
Additions, net of adjustments | — |  | 18.7 |  | — |  | — |  | — |  |  | 18.7 |
Dispositions | (0.4) |  | (0.2) |  | — |  | — |  | — |  |  | (0.6) |
Impact of exchange rate movements | 16.8 |  | 18.7 |  | 5.1 |  | — |  | 0.7 |  |  | 41.3 |
Balance as of December 31, 2023 | $ | 1,759.3 |  | 1,986.4 |  | 537.7 |  | 247.7 |  | 56.3 |  |  | $ | 4,587.4 |
Additions, net of adjustments | 17.7 |  | 3.4 |  | 40.5 |  | 2.4 |  | — |  |  | 64.0 |
Impact of exchange rate movements | (16.4) |  | (18.3) |  | (5.0) |  | — |  | (0.4) |  |  | (40.1) |
Balance as of December 31, 2024 | $ | 1,760.6 |  | 1,971.5 |  | 573.2 |  | 250.1 |  | 55.9 |  |  | $ | 4,611.3 |
Movements in Gross Carrying Amount and Accumulated Amortization of Finite-Lived Intangible Assets |
(in millions) | MSRs | Other Intangibles |  | Consolidated
Gross Carrying Amount |  |  |  |
Balance as of December 31, 2022 | $ | 747.3 |  | 557.0 |  |  | $ | 1,304.3 |
Additions, net of adjustments | 94.6 |  | 7.2 |  |  | 101.8 |
Adjustment for fully amortized intangibles | (40.1) |  | (21.3) |  |  | (61.4) |
Impact of exchange rate movements | — |  | 3.3 |  |  | 3.3 |
Balance as of December 31, 2023 | 801.8 |  | 546.2 |  |  | 1,348.0 |
Additions, net of adjustments | 89.0 |  | 30.2 |  |  | 119.2 |
Adjustment for fully amortized intangibles | (39.7) |  | (27.2) |  |  | (66.9) |
Impact of exchange rate movements | — |  | (5.4) |  |  | (5.4) |
Balance as of December 31, 2024 | $ | 851.1 |  | 543.8 |  |  | $ | 1,394.9 |
Accumulated Amortization |  |  |  |
Balance as of December 31, 2022 | $ | (242.2) |  | (203.6) |  |  | $ | (445.8) |
Amortization expense, net (1) | (107.7) |  | (70.0) |  |  | (177.7) |
Adjustment for fully amortized intangibles | 40.1 |  | 21.3 |  |  | 61.4 |
Impact of exchange rate movements | — |  | (0.9) |  |  | (0.9) |
Balance as of December 31, 2023 | (309.8) |  | (253.2) |  |  | (563.0) |
Amortization expense, net (1) | (109.9) |  | (66.3) |  |  | (176.2) |
Adjustment for fully amortized intangibles | 39.7 |  | 27.2 |  |  | 66.9 |
Impact of exchange rate movements | — |  | 1.5 |  |  | 1.5 |
Balance as of December 31, 2024 | $ | (380.0) |  | (290.8) |  |  | $ | (670.8) |
Net book value as of December 31, 2024 | $ | 471.1 |  | 253.0 |  |  | $ | 724.1 |
(1) Included in this amount for MSRs was $7.7 million and $10.0 million for 2024 and 2023, respectively, relating to write-offs due to prepayments of sold warehouse receivables for which we retained the servicing rights. Amortization of MSRs is included in Revenue within the Consolidated Statements of Comprehensive Income.
Future Amortization Expense for Finite-Lived Intangible Assets | The remaining weighted average amortization period of MSRs and other finite-lived identifiable intangible assets is 3.6 years and 4.6 years, respectively, and the remaining estimated future amortization expense by year, as of December 31, 2024, is presented in the following table.
(in millions) | MSRs | Other Intangibles | Total
2025 | $ | 102.2 |  | 49.9 |  | $ | 152.1 |
2026 | 90.0 |  | 25.7 |  | 115.7 |
2027 | 79.1 |  | 19.7 |  | 98.8 |
2028 | 65.0 |  | 18.4 |  | 83.4 |
2029 | 48.8 |  | 17.7 |  | 66.5 |
Thereafter | 86.0 |  | 74.6 |  | 160.6 |
Total | $ | 471.1 |  | 206.0 |  | $ | 677.1 |

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