REVENUE (Details) - USD ($) $ in Millions |
12 Months Ended |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
$ 4,431.2
|
$ 4,285.6
|
$ 3,879.4
|
| current and long-term contract assets and current and long-term deferred revenue |
|
|
|
| Deferred revenue - current |
160.9
|
170.5
|
|
| Deferred revenue - noncurrent |
41.3
|
36.5
|
|
| Other contract liabilities - current |
39.8
|
29.8
|
|
| 2021 |
21.8
|
|
|
| 2022 |
12.8
|
|
|
| Thereafter |
6.7
|
|
|
| Transferred at a point in time |
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
3,348.4
|
3,205.9
|
|
| Transferred over time |
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
1,082.8
|
1,079.7
|
|
| Americas |
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
2,229.1
|
2,145.7
|
|
| Americas | Transferred at a point in time |
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
1,592.4
|
1,530.6
|
|
| Americas | Transferred over time |
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
636.7
|
615.1
|
|
| Asia Pacific |
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
1,278.0
|
1,244.2
|
|
| Asia Pacific | Transferred at a point in time |
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
1,007.1
|
973.5
|
|
| Asia Pacific | Transferred over time |
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
270.9
|
270.7
|
|
| Europe, Middle East, & Africa |
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
924.1
|
895.7
|
|
| Europe, Middle East, & Africa | Transferred at a point in time |
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
748.9
|
701.8
|
|
| Europe, Middle East, & Africa | Transferred over time |
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
175.2
|
193.9
|
|
| Critical infrastructure & solutions |
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
2,632.6
|
2,451.8
|
2,136.5
|
| Critical infrastructure & solutions | Americas |
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
1,355.4
|
1,246.4
|
|
| Critical infrastructure & solutions | Asia Pacific |
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
763.2
|
723.9
|
|
| Critical infrastructure & solutions | Europe, Middle East, & Africa |
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
514.0
|
481.5
|
|
| Services & software solutions |
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
1,298.9
|
1,276.1
|
|
| Services & software solutions | Americas |
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
679.4
|
669.8
|
|
| Services & software solutions | Asia Pacific |
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
336.0
|
339.1
|
|
| Services & software solutions | Europe, Middle East, & Africa |
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
283.5
|
267.2
|
|
| I.T. & Edge infrastructure |
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
499.7
|
557.7
|
$ 527.0
|
| I.T. & Edge infrastructure | Americas |
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
194.3
|
229.5
|
|
| I.T. & Edge infrastructure | Asia Pacific |
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
178.8
|
181.2
|
|
| I.T. & Edge infrastructure | Europe, Middle East, & Africa |
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
| Revenue |
$ 126.6
|
$ 147.0
|
|