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v3.20.2

Goodwill and Acquired Client Relationships - Schedule of Changes in the Components of Acquired Client Relationships (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Total |  |  |  |
Beginning balance, net book value |  |  | $ 1,182.0 |
Intangible amortization and impairments | $ (80.9) | $ (21.2) | (101.5) | $ (50.9)
Ending balance, net book value | 1,052.3 |  | 1,052.3 |
Acquired Client Relationships |  |  |  |
Definite-lived |  |  |  |
Beginning balance, gross book value |  |  | 1,248.8 |
Beginning balance, accumulated amortization |  |  | (1,039.0) |
Beginning balance, net book value |  |  | 209.8 |
Intangible amortization |  |  | (55.7) |
Foreign currency translation, gross |  |  | (7.3) |
Foreign currency translation, accumulated amortization |  |  | 4.7 |
Foreign currency translation, net |  |  | (2.6) |
Ending balance, gross book value | 1,241.5 |  | 1,241.5 |
Ending balance, accumulated amortization | (1,090.0) |  | (1,090.0) |
Ending balance, net book value | 151.5 |  | 151.5 |
Indefinite-lived |  |  |  |
Beginning balance, net book value |  |  | 972.2 |
Intangible impairments | (60.3) |  | (45.8) |
Foreign currency translation |  |  | (25.6) |
Ending balance, net book value | 900.8 |  | 900.8 |
Total |  |  |  |
Beginning balance, net book value |  |  | 1,182.0 |
Intangible amortization and impairments |  |  | (101.5) |
Foreign currency translation |  |  | (28.2) |
Ending balance, net book value | $ 1,052.3 |  | $ 1,052.3 |

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