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v3.20.2

Revenue from contracts with customers (Tables) | 6 Months Ended
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Jun. 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 June 30, 2020 |  |  |  |  |  |  |
Reportable Segments: |  |  |  |  |  |  |
North America | $ | 204.0 |  |  | 145.1 |  |  | — |  |  | 349.1 |
South America | 87.1 |  |  | 67.7 |  |  | 4.1 |  |  | 158.9 |
Rest of World | 129.0 |  |  | 152.6 |  |  | 36.4 |  |  | 318.0 |
Total reportable segments | 420.1 |  |  | 365.4 |  |  | 40.5 |  |  | 826.0 |
Three months ended June 30, 2019 |  |  |  |  |  |  |
Reportable Segments: |  |  |  |  |  |  |
North America | $ | 279.8 |  |  | 162.7 |  |  | — |  |  | 442.5 |
South America | 118.8 |  |  | 104.0 |  |  | 2.4 |  |  | 225.2 |
Rest of World | 88.1 |  |  | 124.4 |  |  | 34.1 |  |  | 246.6 |
Total reportable segments | 486.7 |  |  | 391.1 |  |  | 36.5 |  |  | 914.3 |
Not Allocated to Segments: |  |  |  |  |  |  |
Acquisitions and dispositions | — |  |  | (0.3 | ) |  | — |  |  | (0.3 | )
Total | $ | 486.7 |  |  | 390.8 |  |  | 36.5 |  |  | 914.0 |
Six months ended June 30, 2020 |  |  |  |  |  |  |
Reportable Segments: |  |  |  |  |  |  |
North America | $ | 478.2 |  |  | 315.2 |  |  | — |  |  | 793.4 |
South America | 187.5 |  |  | 161.5 |  |  | 7.8 |  |  | 356.8 |
Rest of World | 211.0 |  |  | 270.5 |  |  | 67.1 |  |  | 548.6 |
Total reportable segments | 876.7 |  |  | 747.2 |  |  | 74.9 |  |  | 1,698.8 |
Six months ended June 30, 2019 |  |  |  |  |  |  |
Reportable Segments: |  |  |  |  |  |  |
North America | $ | 557.0 |  |  | 320.0 |  |  | — |  |  | 877.0 |
South America | 238.0 |  |  | 212.1 |  |  | 5.4 |  |  | 455.5 |
Rest of World | 176.1 |  |  | 243.7 |  |  | 67.0 |  |  | 486.8 |
Total reportable segments | 971.1 |  |  | 775.8 |  |  | 72.4 |  |  | 1,819.3 |
Not Allocated to Segments: |  |  |  |  |  |  |
Acquisitions and dispositions | — |  |  | (0.3 | ) |  | — |  |  | (0.3 | )
Total | $ | 971.1 |  |  | 775.5 |  |  | 72.4 |  |  | 1,819.0 |
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 (June 30, 2020) | 695.0 |  |  | 1.4 |  |  | 11.9 |
Increase (decrease) | $ | 59.4 |  |  | (0.5 | ) |  | (0.9 | )

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- Definition Tabular disclosure of contract balances and changes in contract balances. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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