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Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Oct. 03, 2022	Dec. 31, 2020
Condensed Cash Flow Statements, Captions [Line Items]
Interest	$ 195.8	$ 117.5	$ 107.7
Income taxes, net	96.3	127.8	83.8
Financing Leases	92.0	65.7	85.9
Cash paid for acquisition related settlements and obligations	(11.1)	(2.8)	(4.0)
Restricted cash	507.0	438.5
Cash and cash equivalents	1,176.6	972.0
Cash, Cash Equivalents, and Restricted Cash	1,683.6	1,410.5	1,086.7		$ 942.9
Cash Held From Customers
Condensed Cash Flow Statements, Captions [Line Items]
Restricted cash	298.7	229.3
Deposits Liability
Condensed Cash Flow Statements, Captions [Line Items]
Restricted cash	167.8	156.3
Revolving Credit Facility
Condensed Cash Flow Statements, Captions [Line Items]
Restricted cash	40.9	40.7
NoteMachine
Condensed Cash Flow Statements, Captions [Line Items]
Cash paid for acquisition related settlements and obligations	(10.3)
Restricted cash				$ 12.1
Touchpoint 21 LLC
Condensed Cash Flow Statements, Captions [Line Items]
Cash paid for acquisition related settlements and obligations	(0.8)
PAI
Condensed Cash Flow Statements, Captions [Line Items]
Cash paid for acquisition related settlements and obligations		(2.8)	(1.1)
G4S
Condensed Cash Flow Statements, Captions [Line Items]
Cash paid for acquisition related settlements and obligations			(3.2)
Restricted cash	30.1
Argentina \| Argentina, Pesos
Condensed Cash Flow Statements, Captions [Line Items]
Payments to acquire marketable securities	131.1	27.6	$ 12.9
Proceeds from sale of marketable securities	145.6	9.9
Cash and cash equivalents	$ 62.5	$ 57.7