Segment Information - Financial Information by Reportable Segment (Details) - USD ($)
$ in Millions |
3 Months Ended |
6 Months Ended |
Apr. 30, 2018 |
Apr. 30, 2017 |
Apr. 30, 2018 |
Apr. 30, 2017 |
| Revenues |
|
|
|
|
| Revenues |
$ 1,580.8
|
$ 1,310.5
|
$ 3,169.2
|
$ 2,637.2
|
| Operating profit (loss) |
|
|
|
|
| Operating profit (loss) |
45.3
|
51.0
|
64.8
|
74.8
|
| Adjustment for income from unconsolidated affiliates, net, included in Aviation and Government Services |
1.0
|
0.9
|
1.6
|
2.3
|
| Interest expense |
(13.8)
|
(3.0)
|
(28.1)
|
(6.3)
|
| Income from continuing operations before income taxes |
32.5
|
48.9
|
38.2
|
70.9
|
| Corporate |
|
|
|
|
| Operating profit (loss) |
|
|
|
|
| Operating profit (loss) |
(37.1)
|
(36.4)
|
(84.5)
|
(71.0)
|
| Segment Reconciling Items |
|
|
|
|
| Operating profit (loss) |
|
|
|
|
| Adjustment for tax deductions for energy efficient government buildings, included in Technical Solutions |
(2.0)
|
(0.8)
|
(2.3)
|
(1.4)
|
| Adjustment for income from unconsolidated affiliates, net, included in Aviation and Government Services |
(1.0)
|
(1.1)
|
(1.6)
|
(2.4)
|
| Business & Industry | Operating Segments |
|
|
|
|
| Revenues |
|
|
|
|
| Revenues |
723.2
|
637.5
|
1,445.3
|
1,293.0
|
| Operating profit (loss) |
|
|
|
|
| Operating profit (loss) |
43.5
|
36.0
|
72.0
|
63.2
|
| Aviation | Operating Segments |
|
|
|
|
| Revenues |
|
|
|
|
| Revenues |
245.4
|
232.1
|
501.6
|
464.0
|
| Operating profit (loss) |
|
|
|
|
| Operating profit (loss) |
5.1
|
6.8
|
10.9
|
11.4
|
| Technology & Manufacturing | Operating Segments |
|
|
|
|
| Revenues |
|
|
|
|
| Revenues |
227.5
|
161.4
|
459.5
|
332.9
|
| Operating profit (loss) |
|
|
|
|
| Operating profit (loss) |
16.0
|
12.1
|
32.9
|
24.8
|
| Education | Operating Segments |
|
|
|
|
| Revenues |
|
|
|
|
| Revenues |
206.3
|
65.2
|
412.6
|
132.2
|
| Operating profit (loss) |
|
|
|
|
| Operating profit (loss) |
10.6
|
3.6
|
19.8
|
7.2
|
| Technical Solutions | Operating Segments |
|
|
|
|
| Revenues |
|
|
|
|
| Revenues |
108.5
|
110.8
|
212.5
|
218.5
|
| Operating profit (loss) |
|
|
|
|
| Operating profit (loss) |
7.5
|
10.2
|
13.0
|
18.1
|
| Healthcare | Operating Segments |
|
|
|
|
| Revenues |
|
|
|
|
| Revenues |
69.9
|
60.6
|
137.6
|
122.3
|
| Operating profit (loss) |
|
|
|
|
| Operating profit (loss) |
2.7
|
2.4
|
5.4
|
4.9
|
| Government Services | Operating Segments |
|
|
|
|
| Revenues |
|
|
|
|
| Revenues |
0.0
|
42.9
|
0.0
|
74.3
|
| Operating profit (loss) |
|
|
|
|
| Operating profit (loss) |
$ 0.0
|
$ 18.2
|
$ (0.8)
|
$ 20.0
|