Other Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,004.9	$ 1,034.0
Accumulated Amortization	(747.3)	(686.5)
Net Carrying Amount	257.6	347.5
Amortization expense on capitalized software	(14.1)	(23.3)	$ (27.2)
Impairment of assets	(111.8)	(1.3)	(7.5)
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	88.4
Finite-Lived Intangible Assets, Amortization Expense, Year Two	84.2
Finite-Lived Intangible Assets, Amortization Expense, Year Three	60.5
Finite-Lived Intangible Assets, Amortization Expense, Year Four	19.8
Finite-Lived Intangible Assets, Amortization Expense, Year Five	0.3
Finite-Lived Intangible Assets, Net	253.2
Payments to Develop Software	$ (28.7)	(31.1)	(17.2)
Customer-Related Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	3 years 2 months 12 days
Gross Carrying Amount	$ 662.3	703.3
Accumulated Amortization	(448.7)	(401.6)
Net Carrying Amount	$ 213.6	301.7
Software and Software Development Costs [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	2 years 1 month 6 days
Gross Carrying Amount	$ 245.2	228.1
Accumulated Amortization	(202.7)	(184.9)
Net Carrying Amount	42.5	43.2	38.0	$ 46.0
Impairment of assets	(9.8)	0.0	0.0
Finite-Lived Intangible Assets, Translation and Purchase Accounting Adjustments	$ (5.5)	(2.6)	$ 2.0
Technology-Based Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	8 months 12 days
Gross Carrying Amount	$ 48.7	51.8
Accumulated Amortization	(48.7)	(51.6)
Net Carrying Amount	$ 0.0	0.2
Other Intangible Assets, Net [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years
Gross Carrying Amount	$ 48.7	50.8
Accumulated Amortization	(47.2)	(48.4)
Net Carrying Amount	1.5	2.4
Other intangible asset, net [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	342.6	330.7
Accumulated Amortization	(298.6)	(284.9)
Net Carrying Amount	$ 44.0	$ 45.8