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v3.23.1

Business Combinations Other Intangibles by Segment (Details) - USD ($) $ in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021
Schedule of Finite and Indefinite lived Intangible Assets by Segment [Line Items] |  |  |  |
Finite-Lived Intangible Assets, Net | $ 784.3 |  |  |
Identifiable intangibles with indefinite useful lives | 48.8 |  |  |
Finite and Indefinite lived Intangible Assets, Additions | 17.3 | $ 39.1 |  |
Adjustment for fully amortized intangibles | 9.4 | 17.7 |  |
Finite And Indefinite Lived Intangible Assets Translation Adjustments | 1.3 | (1.2) |  |
Intangible Assets, Gross (Excluding Goodwill) | 1,313.5 | 1,247.3 | $ 1,304.3 | $ 1,227.1
Identified intangibles, with finite useful lives, accumulated amortization | (480.4) | (367.8) | (445.8) | (340.1)
Amortization expense | (43.6) | (45.8) |  |
Accumulated Amortization Adjustment for fully Amortized Intangibles | (9.4) | (17.7) |  |
Impact of exchange rate movements | (0.4) | 0.4 |  |
Net book value as of end of period | 833.1 | 879.5 | 858.5 |
Servicing Asset at Amortized Cost, Other than Temporary Impairments | 2.9 | 7.8 |  |
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract] |  |  |  |
Total | 784.3 |  |  |
Mortgage servicing rights [Member] |  |  |  |
Schedule of Finite and Indefinite lived Intangible Assets by Segment [Line Items] |  |  |  |
Finite and Indefinite lived Intangible Assets, Additions | 17.3 | 37.3 |  |
Adjustment for fully amortized intangibles | 9.0 | 15.3 |  |
Finite And Indefinite Lived Intangible Assets Translation Adjustments | 0.0 | 0.0 |  |
Intangible Assets, Gross (Excluding Goodwill) | 755.6 | 691.7 | 747.3 | 669.7
Identified intangibles, with finite useful lives, accumulated amortization | (259.3) | (204.7) | (242.2) | (191.0)
Amortization expense | (26.1) | (29.0) |  |
Accumulated Amortization Adjustment for fully Amortized Intangibles | (9.0) | (15.3) |  |
Impact of exchange rate movements | 0.0 | 0.0 |  |
Net book value as of end of period | 496.3 | 487.0 |  |
Other Intangible Assets [Member] |  |  |  |
Schedule of Finite and Indefinite lived Intangible Assets by Segment [Line Items] |  |  |  |
Finite and Indefinite lived Intangible Assets, Additions | 0.0 | 1.8 |  |
Adjustment for fully amortized intangibles | 0.4 | 2.4 |  |
Finite And Indefinite Lived Intangible Assets Translation Adjustments | 1.3 | (1.2) |  |
Intangible Assets, Gross (Excluding Goodwill) | 557.9 | 555.6 | 557.0 | 557.4
Identified intangibles, with finite useful lives, accumulated amortization | (221.1) | (163.1) | $ (203.6) | $ (149.1)
Amortization expense | (17.5) | (16.8) |  |
Accumulated Amortization Adjustment for fully Amortized Intangibles | (0.4) | (2.4) |  |
Impact of exchange rate movements | (0.4) | 0.4 |  |
Net book value as of end of period | $ 336.8 | $ 392.5 |  |

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