Revenue from contracts with customers (Tables)

9 Months Ended

Sep. 30, 2020

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 September 30, 2020
Reportable Segments:
North America	$	243.7	160.4	—	404.1
South America	87.4		80.0	4.6	172.0
Rest of World	168.9		182.2	43.3	394.4
Total reportable segments	500.0		422.6	47.9	970.5
Three months ended September 30, 2019
Reportable Segments:
North America	$	275.7	171.0	—	446.7
South America	125.6		101.1	2.3	229.0
Rest of World	87.6		126.8	34.5	248.9
Total reportable segments	488.9		398.9	36.8	924.6
Not Allocated to Segments:
Acquisitions and dispositions	—		(0.2)	—	(0.2)
Internal loss(a)	—		4.0	—	4.0
Total	$	488.9	402.7	36.8	928.4
Nine months ended September 30, 2020
Reportable Segments:
North America	$	721.9	475.6	—	1,197.5
South America	274.9		241.5	12.4	528.8
Rest of World	379.9		452.7	110.4	943.0
Total reportable segments	1,376.7		1,169.8	122.8	2,669.3
Nine months ended September 30, 2019
Reportable Segments:
North America	$	832.7	491.0	—	1,323.7
South America	363.6		313.2	7.7	684.5
Rest of World	263.7		370.5	101.5	735.7
Total reportable segments	1,460.0		1,174.7	109.2	2,743.9
Not Allocated to Segments:
Acquisitions and dispositions	—		(0.5)	—	(0.5)
Internal loss(a)	—		4.0	—	4.0
Total	$	1,460.0	1,178.2	109.2	2,747.4

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 Asset	Contract Liability
Opening (January 1, 2020)	$	635.6	1.9	12.8
Closing (September 30, 2020)	708.0		1.3	9.4
Increase (decrease)	$	72.4	(0.6)	(3.4)