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Divestitures and Investment Activities - Narrative (Details) $ in Millions |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Aug. 04, 2021 USD ($) Item | Oct. 31, 2021 USD ($) | Apr. 30, 2021 USD ($) | Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2022 USD ($) Item | Sep. 30, 2021 USD ($) | Dec. 31, 2021 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Liability |  |  |  | $ 550.5 |  | $ 550.5 |  | $ 821.9
Gain on sale |  |  |  |  |  | 151.4 |  |
Proceeds from shares sold |  |  |  |  |  |  | $ 50.9 |
Gain on sale of minority investment |  |  |  |  |  |  | 47.9 |
Saudi Digital Payments Company |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Investment in Saudi Digital Payments Company |  | $ 200.0 |  |  |  |  |  |
Ownership (as a percent) |  | 15.00% |  |  |  |  |  |
Private Company |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Proceeds from shares sold |  |  | $ 50.9 |  |  |  |  |
Gain on sale of minority investment |  |  |  |  |  |  | 47.9 |
Other Assets | Commercial Agreement | Certain Rights |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Investment value |  |  |  | 36.0 |  | $ 36.0 |  | 36.0
Business Solutions | Asset Held for Sale, Not Discontinued Operations |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Consideration from sale of business | $ 910.0 |  |  |  |  |  |  |
Number of closings | Item | 3 |  |  |  |  | 3 |  |
Revenues |  |  |  | 42.6 | $ 116.8 | $ 167.4 | 312.6 |
Operating expenses |  |  |  | 27.0 | 77.1 | 117.4 | 244.5 |
Divestiture costs directly associated with transaction |  |  |  | 0.4 | $ 5.2 | 4.4 | $ 10.7 |
Unrealized currency translation gains |  |  |  |  |  | 17.8 |  |
Liability |  |  |  | 550.5 |  | 550.5 |  | $ 821.9
Gain on sale |  |  |  |  |  | 151.4 |  |
Other expense |  |  |  | 15.0 |  | 25.9 |  |
Business Solutions | Asset Held for Sale, Not Discontinued Operations | Other liabilities | European Union and United Kingdom |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Liability |  |  |  | $ 390.0 |  | $ 390.0 |  |

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