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Assets Held for Sale and Related Divestiture - Narrative (Details) $ in Millions		3 Months Ended
	Aug. 04, 2021 USD ($) Item	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Liability		$ 358.6		$ 821.9
Gain on sale		151.4
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	2
Revenues		89.1	$ 96.5
Operating expenses		62.6	$ 81.8
Divestiture costs directly associated with transaction		3.2
Unrealized currency translation gains		17.8
Liability		358.6		$ 821.9
Gain on sale		151.4
Other expense		2.8
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		$ 390.3

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