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GOODWILL AND INTANGIBLE ASSETS | 3 Months Ended
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Mar. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract] |
GOODWILL AND INTANGIBLE ASSETS | GOODWILL AND INTANGIBLE ASSETS. Goodwill and intangible assets consist of the following:
(in millions) | 3/31/2024 |  | 12/31/2023
Goodwill | $ | 2,642.8 |  |  | $ | 2,642.8 |
Indefinite-lived intangible assets - trade name | 117.1 |  |  | 117.1 |
Indefinite-lived intangible assets - investment advisory agreements | 65.6 |  |  | 65.6 |
Definite-lived intangible assets - investment advisory agreements | 299.1 |  |  | 324.6 |
Total | $ | 3,124.6 |  |  | $ | 3,150.1 |
Amortization and impairment expense for the definite-lived intangible assets was $25.5 million and $26.0 million for the three months ended March 31, 2024 and 2023, respectively. Estimated amortization expense for the definite-lived intangible assets for the five succeeding years is a follows:
(in millions) |
Remaining 2024 | $ | 64.5 |
2025 | 84.7 |
2026 | 67.6 |
2027 | 46.0 |
2028 | 14.3 |
We evaluate the carrying amount of goodwill in our unaudited condensed consolidated balance sheets for possible impairment on an annual basis in the fourth quarter or if triggering events occur that require us to evaluate for impairment earlier. No triggering events arose during the three months ended March 31, 2024.

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 350 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//350/tableOfContent + Details
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