XML 53 R40.htm IDEA: XBRL DOCUMENT v3.20.2
Revenue from contracts with customers - disaggregation of revenue (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service $ 970.5 $ 928.4 $ 2,669.3 $ 2,747.4
Internal Loss AR Rebuild        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service   4.0    
Core services        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service   488.9   1,460.0
High-value services        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service   402.7   1,178.2
Other security services        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service   36.8   109.2
Reportable segments        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service 970.5 924.6 2,669.3 2,743.9
Reportable segments | Core services        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service 500.0 488.9 1,376.7 1,460.0
Reportable segments | High-value services        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service 422.6 398.9 1,169.8 1,174.7
Reportable segments | Other security services        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service 47.9 36.8 122.8 109.2
Reportable segments | North America        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service 404.1 446.7 1,197.5 1,323.7
Reportable segments | North America | Core services        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service 243.7 275.7 721.9 832.7
Reportable segments | North America | High-value services        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service 160.4 171.0 475.6 491.0
Reportable segments | North America | Other security services        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service 0.0 0.0 0.0 0.0
Reportable segments | South America        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service 172.0 229.0 528.8 684.5
Reportable segments | South America | Core services        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service 87.4 125.6 274.9 363.6
Reportable segments | South America | High-value services        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service 80.0 101.1 241.5 313.2
Reportable segments | South America | Other security services        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service 4.6 2.3 12.4 7.7
Reportable segments | Rest of World        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service 394.4 248.9 943.0 735.7
Reportable segments | Rest of World | Core services        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service 168.9 87.6 379.9 263.7
Reportable segments | Rest of World | High-value services        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service 182.2 126.8 452.7 370.5
Reportable segments | Rest of World | Other security services        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service 43.3 34.5 110.4 101.5
Segment Reconciling Items        
Disaggregation of Revenue [Line Items]        
Acquisitions and dispositions, Revenues 0.0 (0.2) 0.0 (0.5)
Segment Reconciling Items | Internal Loss AR Rebuild        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service $ 0.0 4.0 $ 0.0 4.0
Segment Reconciling Items | Core services        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service       0.0
Acquisitions and dispositions, Revenues   0.0   0.0
Segment Reconciling Items | High-value services        
Disaggregation of Revenue [Line Items]        
Acquisitions and dispositions, Revenues   (0.2)   (0.5)
Segment Reconciling Items | High-value services | Internal Loss AR Rebuild        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service   4.0   4.0
Segment Reconciling Items | Other security services        
Disaggregation of Revenue [Line Items]        
Revenue disaggregated by reportable segment and type of service       0.0
Acquisitions and dispositions, Revenues   $ 0.0   $ 0.0