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v3.19.3.a.u2

Goodwill and Acquired Client Relationships - Schedule of Changes in Acquired Client Relationships (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Net Book Value |  |  |  |
Beginning balance, net book value |  | $ 1,309.9 |  |
Intangible amortization and impairments |  | (144.5) | $ (114.8) | $ (86.4)
Ending balance, net book value |  | 1,182.0 | 1,309.9 |
Acquired Client Relationships (Net) |  |  |  |
Definite-lived |  |  |  |
Beginning balance, gross book value |  | 1,292.5 | 1,295.5 |
Beginning balance, accumulated amortization |  | (988.9) | (874.5) |
Beginning balance, net book value |  | 303.6 | 421.0 |
Intangible amortization and impairments |  | (93.4) | (114.4) |
Foreign currency translation |  | (0.4) | (3.0) |
Transfer and other, gross book value | [1] | (36.1) |  |
Transfer and other, accumulated amortization | [1] | 36.1 |  |
Ending balance, gross book value |  | 1,256.0 | 1,292.5 | 1,295.5
Ending balance, accumulated amortization |  | (1,046.2) | (988.9) | (874.5)
Ending balance, net book value |  | 209.8 | 303.6 | 421.0
Indefinite-lived |  |  |  |
Beginning balance, net book value |  | 1,006.3 | 1,028.7 |
Intangible amortization and impairments |  | (51.1) | (0.4) |
Foreign currency translation |  | 17.0 | (22.0) |
Transfers(1) | [1] | 0.0 |  |
Ending balance, net book value |  | 972.2 | 1,006.3 | 1,028.7
Net Book Value |  |  |  |
Beginning balance, net book value |  | 1,309.9 | 1,449.7 |
Intangible amortization and impairments |  | (144.5) | (114.8) |
Transfers(1) | [1] | 0.0 |  |
Foreign currency translation |  | 16.6 | (25.0) |
Transfers(1) | [1] | 0.0 |  |
Ending balance, net book value |  | $ 1,182.0 | $ 1,309.9 | $ 1,449.7
[1] | Transfers includes acquired client relationships at Affiliates that were deconsolidated during the period.

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