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Goodwill and Acquired Client Relationships (Tables)
 6 Months Ended
Jun. 30, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Changes in Goodwill
The following tables present the changes in the Company’s consolidated Affiliates’ Goodwill and components of Acquired client relationships (net):
Goodwill
Balance, as of December 31, 2022$2,648.7 
Foreign currency translation16.0 
Other(5.1)
Balance, as of June 30, 2023$2,659.6 
Schedule of Changes in the Components of Acquired Client Relationships
 Acquired Client Relationships (Net)
 Definite-livedIndefinite-livedTotal
 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 
Intangible amortization and impairments— (25.0)(25.0)— (25.0)
Foreign currency translation1.6 (1.3)0.3 15.9 16.2 
Transfers(1)
(10.3)10.3 — (4.1)(4.1)
Balance, as of June 30, 2023$1,346.4 $(1,085.7)$260.7 $1,602.4 $1,863.1 
__________________________
(1)Transfers include acquired client relationships at Affiliates that were deconsolidated during the period.