Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Revenues	$ 1,236.1	$ 1,185.4
Reportable segments
Disaggregation of Revenue [Line Items]
Revenues	1,236.1	1,185.4
Reportable segments | Cash and valuables management
Disaggregation of Revenue [Line Items]
Revenues	961.3	948.9
Reportable segments | DRS and AMS
Disaggregation of Revenue [Line Items]
Revenues	274.8	236.5
Reportable segments | North America
Disaggregation of Revenue [Line Items]
Revenues	405.5	401.9
Reportable segments | North America | Cash and valuables management
Disaggregation of Revenue [Line Items]
Revenues	304.6	308.0
Reportable segments | North America | DRS and AMS
Disaggregation of Revenue [Line Items]
Revenues	100.9	93.9
Reportable segments | Latin America
Disaggregation of Revenue [Line Items]
Revenues	334.7	315.5
Reportable segments | Latin America | Cash and valuables management
Disaggregation of Revenue [Line Items]
Revenues	282.6	274.3
Reportable segments | Latin America | DRS and AMS
Disaggregation of Revenue [Line Items]
Revenues	52.1	41.2
Reportable segments | Europe
Disaggregation of Revenue [Line Items]
Revenues	291.4	268.7
Reportable segments | Europe | Cash and valuables management
Disaggregation of Revenue [Line Items]
Revenues	186.2	180.1
Reportable segments | Europe | DRS and AMS
Disaggregation of Revenue [Line Items]
Revenues	105.2	88.6
Reportable segments | Rest of World
Disaggregation of Revenue [Line Items]
Revenues	204.5	199.3
Reportable segments | Rest of World | Cash and valuables management
Disaggregation of Revenue [Line Items]
Revenues	187.9	186.5
Reportable segments | Rest of World | DRS and AMS
Disaggregation of Revenue [Line Items]
Revenues	$ 16.6	$ 12.8