Revenue from contracts with customers (Tables)

9 Months Ended

Sep. 30, 2019

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, 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
Three months ended September 30, 2018
Reportable Segments:
North America	$	236.9	146.5		—	383.4
South America	104.3		107.9		3.3	215.5
Rest of World	88.9		128.6		36.0	253.5
Total reportable segments	430.1		383.0		39.3	852.4
Not Allocated to Segments:
Venezuela	—		—		—	—
Total	$	430.1	383.0		39.3	852.4
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
Nine months ended September 30, 2018
Reportable Segments:
North America	$	616.7	410.8		—	1,027.5
South America	343.6		350.6		9.4	703.6
Rest of World	270.8		387.9		140.0	798.7
Total reportable segments	1,231.1		1,149.3		149.4	2,529.8
Not Allocated to Segments:
Venezuela	18.4		33.0		—	51.4
Total	$	1,249.5	1,182.3		149.4	2,581.2

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, 2019)	$	599.5	1.8	2.5
Closing (September 30, 2019)	653.1		2.3	8.9
Increase (decrease)	$	53.6	0.5	6.4