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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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