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Goodwill and Acquired Client Relationships (Tables) | 12 Months Ended
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Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Changes in Goodwill | The following table presents the changes in the Company’s consolidated Affiliates’ Goodwill:
|  | Goodwill
|  | 2023 |  | 2024
Balance, beginning of period . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |  | $2,648.7 |  | $2,523.6
Veritable Transaction(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |  | (136.5) |  | —
Foreign currency translation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |  | 16.5 |  | (18.7)
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |  | (5.1) |  | —
Balance, end of period . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |  | $2,523.6 |  | $2,504.9
___________________________ (1)Represents Goodwill allocated to Veritable as of the closing date, including $3.5 million attributable to the non-controlling interests.
Schedule of Changes in the Components of Acquired Client Relationships | The following table presents the changes in the Company’s components of Acquired client relationships (net):
|  | Acquired Client Relationships (Net)
|  | Definite-lived |  | Indefinite-lived |  | Total
|  | Gross Book Value |  | Accumulated Amortization |  | Net Book Value |  | Net Book Value |  | Net Book Value
Balance, as of December 31, 2022 . . . . . . . . |  | $1,355.1 |  | $(1,069.7) |  | $285.4 |  | $1,590.6 |  | $1,876.0
Veritable Transaction(1) . . . . . . . . . . . . . . . . |  | (85.1) |  | 57.0 |  | (28.1) |  | — |  | (28.1)
Intangible amortization and impairments . . |  | — |  | (48.3) |  | (48.3) |  | — |  | (48.3)
Foreign currency translation . . . . . . . . . . . . |  | 0.8 |  | (0.5) |  | 0.3 |  | 16.6 |  | 16.9
Transfers(2) . . . . . . . . . . . . . . . . . . . . . . . . . . |  | (10.3) |  | 10.3 |  | — |  | (4.1) |  | (4.1)
Balance, as of December 31, 2023 . . . . . . . . |  | $1,260.5 |  | $(1,051.2) |  | $209.3 |  | $1,603.1 |  | $1,812.4
Intangible amortization and impairments . . |  | — |  | (29.0) |  | (29.0) |  | — |  | (29.0)
Foreign currency translation . . . . . . . . . . . . |  | (5.0) |  | 5.0 |  | — |  | (5.6) |  | (5.6)
Balance, as of December 31, 2024 . . . . . . . . |  | $1,255.5 |  | $(1,075.2) |  | $180.3 |  | $1,597.5 |  | $1,777.8
___________________________ (1)Represents acquired client relationships attributable to Veritable as of the closing date, including $6.7 million attributable to the non-controlling interests. (2)Transfers include acquired client relationships at Affiliates that were deconsolidated during the period.

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- Definition Tabular disclosure of intangibles assets, in total and by major class, including the gross carrying amount and accumulated amortization. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482548/350-20-55-24 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1A Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-2 + Details
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