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Divestitures, Investment Activities, and Goodwill - Narrative (Details) |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Aug. 04, 2021 USD ($) Item | May 09, 2019 USD ($) | Oct. 31, 2021 USD ($) | Apr. 30, 2021 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Gain on sale |  |  |  |  |  |  | $ 524,600,000
Proceeds from shares sold |  |  |  |  | $ 50,900,000 |  |
Gain on sale of minority investment |  |  |  |  | 47,900,000 |  |
Goodwill |  |  |  |  | 2,034,600,000 | $ 2,566,600,000 | 2,566,600,000
Goodwill impairment |  |  |  |  | 0 | 0 | 0
Commercial Agreement | Certain Rights | Other Assets |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Investment value |  |  |  |  | 36,000,000.0 |  |
Private Company |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Proceeds from shares sold |  |  |  | $ 50,900,000 |  |  |
Gain on sale of minority investment |  |  |  |  | 47,900,000 |  |
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 |  |  | $ 200,000,000.0 |  |  |  |
Ownership (as a percent) |  |  | 15.00% |  |  |  |
Divestitures | Speedpay |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Consideration from sale of business |  | $ 750,000,000 |  |  |  |  |
Divestitures | Speedpay | Other services |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  | 125,400,000
Operating expenses |  |  |  |  |  |  | 98,200,000
Gain on sale |  | $ 523,000,000 |  |  |  |  |
Business Solutions |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Goodwill |  |  |  |  |  | 532,000,000.0 | 532,000,000.0
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 | $ 910,000,000 |  |  |  |  |  |
Number of closings | Item | 2 |  |  |  |  |  |
Termination fee | $ 63,700,000 |  |  |  |  |  |
Revenues |  |  |  |  | 421,800,000 | 356,100,000 | 388,800,000
Operating expenses |  |  |  |  | 317,700,000 | $ 319,500,000 | $ 334,100,000
Operating costs directly associated with divestiture |  |  |  |  | 14,400,000 |  |
Unrealized currency translation gains |  |  |  |  | $ 17,800,000 |  |

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