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Goodwill and Intangible Assets - Schedule of Acquired Finite Lived Intangible Assets by Major Class (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Gross | $ 1,112.6 | $ 1,113.5 |
Finite-Lived Intangible Assets, Accumulated Amortization | (415.4) | (332.8) |
Finite-Lived Intangible Assets, Net | 697.2 | 780.7 |
Amortization of intangible assets | 85.8 | 86.6 | $ 95.4
Minimum [Member] |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Expected Amortization, Year One | 80.0 |  |
Finite-Lived Intangible Asset, Expected Amortization, Year Two | 80.0 |  |
Finite-Lived Intangible Asset, Expected Amortization, Year Three | 80.0 |  |
Finite-Lived Intangible Asset, Expected Amortization, Year Four | 80.0 |  |
Finite-Lived Intangible Asset, Expected Amortization, Year Five | 80.0 |  |
Maximum [Member] |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Expected Amortization, Year One | 85.0 |  |
Finite-Lived Intangible Asset, Expected Amortization, Year Two | 85.0 |  |
Finite-Lived Intangible Asset, Expected Amortization, Year Three | 85.0 |  |
Finite-Lived Intangible Asset, Expected Amortization, Year Four | 85.0 |  |
Finite-Lived Intangible Asset, Expected Amortization, Year Five | 85.0 |  |
Computer Software, Intangible Asset [Member] |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Gross | 47.3 | 47.6 |
Finite-Lived Intangible Assets, Accumulated Amortization | (37.0) | (33.9) |
Finite-Lived Intangible Assets, Net | 10.3 | 13.7 |
Customer Platforms - Intangible Assets [Member] |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Gross | 856.2 | 856.2 |
Finite-Lived Intangible Assets, Accumulated Amortization | (301.3) | (237.9) |
Finite-Lived Intangible Assets, Net | 554.9 | 618.3 |
Customer Relationships - Intangible Assets [Member] |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Gross | 53.0 | 53.0 |
Finite-Lived Intangible Assets, Accumulated Amortization | (16.2) | (12.8) |
Finite-Lived Intangible Assets, Net | 36.8 | 40.2 |
Technology-Based Intangible Assets [Member] |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Gross | 156.1 | 156.7 |
Finite-Lived Intangible Assets, Accumulated Amortization | (60.9) | (48.2) |
Finite-Lived Intangible Assets, Net | $ 95.2 | $ 108.5 |

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