Revenue from contracts with customers (Tables)

6 Months Ended

Jun. 30, 2022

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

Revenue Disaggregated by Reportable Segment and Type of Service

(In millions)	Core Services		High-Value Services	Other Security Services	Total
Three months ended June 30, 2022
Reportable Segments:
North America	$	195.6	206.0	—	401.6
Latin America	180.1		119.9	6.3	306.3
Europe	100.0		92.5	34.2	226.7
Rest of World	53.4		133.3	12.6	199.3
Total reportable segments	$	529.1	551.7	53.1	1,133.9
Three months ended June 30, 2021
Reportable Segments:
North America	$	176.5	180.3	—	356.8
Latin America	164.0		104.5	4.3	272.8
Europe	116.1		78.0	36.7	230.8
Rest of World	55.5		118.8	14.1	188.4
Total reportable segments	$	512.1	481.6	55.1	1,048.8
Six months ended June 30, 2022
Reportable Segments:
North America	$	381.2	389.2	—	770.4
Latin America	352.5		233.4	11.7	597.6
Europe	203.9		177.2	67.7	448.8
Rest of World	108.1		257.6	25.4	391.1
Total reportable segments	$	1,045.7	1,057.4	104.8	2,207.9
Six months ended June 30, 2021
Reportable Segments:
North America	$	355.9	318.0	—	673.9
Latin America	324.2		210.0	8.3	542.5
Europe	227.4		149.1	68.7	445.2
Rest of World	110.1		230.5	24.3	364.9
Total reportable segments	$	1,017.6	907.6	101.3	2,026.5

Contract with Customer, Asset and Liability

The opening and closing balances of receivables, contract assets and contract liabilities related to contracts with customers are as follows:

(In millions)	Receivables		Contract Assets	Contract Liabilities
Opening (January 1, 2022)	$	701.8	6.3	17.9
Closing (June 30, 2022)	824.6		8.8	14.9
Increase (decrease)	$	122.8	2.5	(3.0)