Revenue from contracts with customers Revenue from contracts with customers (Tables)

12 Months Ended

Dec. 31, 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
Twelve months ended December 31, 2019
Reportable Segments:
North America	$	1,115.1	667.7		—	1,782.8
South America	486.4		418.8		11.3	916.5
Rest of World	351.8		494.4		134.2	980.4
Total reportable segments	1,953.3		1,580.9		145.5	3,679.7
Not Allocated to Segments:
Acquisitions and dispositions	—		(0.5	)	—	(0.5	)
Internal loss(a)	—		4.0		—	4.0
Total	$	1,953.3	1,584.4		145.5	3,683.2
Twelve months ended December 31, 2018
Reportable Segments:
North America	$	895.1	571.2		—	1,466.3
South America	449.8		465.1		12.0	926.9
Rest of World	357.3		512.0		175.0	1,044.3
Total reportable segments	1,702.2		1,548.3		187.0	3,437.5
Not Allocated to Segments:
Venezuela(b)	18.4		33.0		—	51.4
Total	$	1,720.6	1,581.3		187.0	3,488.9

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 (December 31, 2019)	635.6		1.9	12.8
Increase	$	36.1	0.1	10.3