Acquisitions Acquisitions - Pro Forma (Details) - USD ($)
$ in Millions |
3 Months Ended |
12 Months Ended |
Dec. 31, 2017 |
Sep. 30, 2017 |
Jun. 30, 2017 |
Mar. 31, 2017 |
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
| Business Acquisition [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
| Actual revenue results included in consolidation |
|
|
|
|
|
|
|
|
$ 100.1
|
|
|
| Actual net income results included in consolidation |
|
|
|
|
|
|
|
|
10.0
|
|
|
| Revenues |
$ 903.2
|
$ 849.5
|
$ 805.9
|
$ 788.4
|
$ 803.5
|
$ 755.8
|
$ 739.5
|
$ 721.8
|
3,347.0
|
$ 3,020.6
|
$ 3,061.4
|
| Reported net income attributable to Brink's |
(52.1)
|
$ 19.9
|
$ 14.2
|
$ 34.7
|
$ 12.8
|
$ 24.5
|
$ 0.3
|
$ (3.1)
|
16.7
|
34.5
|
$ (11.9)
|
| Pro forma revenue results |
|
|
|
|
|
|
|
|
3,469.6
|
3,198.1
|
|
| Pro forma net income results |
|
|
|
|
|
|
|
|
25.5
|
45.9
|
|
| Transaction Costs |
$ 2.6
|
|
|
|
|
|
|
|
2.6
|
|
|
| Maco |
|
|
|
|
|
|
|
|
|
|
|
| Business Acquisition [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
| Actual revenue results included in consolidation |
|
|
|
|
|
|
|
|
49.3
|
|
|
| Actual net income results included in consolidation |
|
|
|
|
|
|
|
|
7.8
|
|
|
| Pro forma revenue results |
|
|
|
|
|
|
|
|
56.9
|
79.5
|
|
| Pro forma net income results |
|
|
|
|
|
|
|
|
6.2
|
6.2
|
|
| Other Acquisitions |
|
|
|
|
|
|
|
|
|
|
|
| Business Acquisition [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
| Actual revenue results included in consolidation |
|
|
|
|
|
|
|
|
50.8
|
|
|
| Actual net income results included in consolidation |
|
|
|
|
|
|
|
|
2.2
|
|
|
| Pro forma revenue results |
|
|
|
|
|
|
|
|
65.7
|
98.0
|
|
| Pro forma net income results |
|
|
|
|
|
|
|
|
$ 2.6
|
$ 5.2
|
|