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Segment Information - Financial Information by Reportable Segment (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Jan. 31, 2018 | Jan. 31, 2017
Revenues |  |
Revenues | $ 1,588.3 | $ 1,326.7
Operating profit (loss) |  |
Operating profit (loss) | 19.5 | 23.8
Adjustment for income from unconsolidated affiliates, net, included in Aviation and Government Services | 0.5 | 1.4
Interest expense | (14.3) | (3.2)
Income from continuing operations before income taxes | 5.8 | 22.0
Corporate |  |
Operating profit (loss) |  |
Operating profit (loss) | (47.4) | (34.6)
Segment Reconciling Items |  |
Operating profit (loss) |  |
Adjustment for tax deductions for energy efficient government buildings, included in Technical Solutions | (0.3) | (0.5)
Adjustment for income from unconsolidated affiliates, net, included in Aviation and Government Services | (0.6) | (1.3)
Business & Industry | Operating Segments |  |
Revenues |  |
Revenues | 722.1 | 655.6
Operating profit (loss) |  |
Operating profit (loss) | 28.5 | 27.1
Aviation | Operating Segments |  |
Revenues |  |
Revenues | 256.2 | 231.9
Operating profit (loss) |  |
Operating profit (loss) | 5.8 | 4.6
Technology & Manufacturing | Operating Segments |  |
Revenues |  |
Revenues | 232.0 | 171.5
Operating profit (loss) |  |
Operating profit (loss) | 16.9 | 12.6
Education | Operating Segments |  |
Revenues |  |
Revenues | 206.3 | 67.0
Operating profit (loss) |  |
Operating profit (loss) | 9.2 | 3.6
Technical Solutions | Operating Segments |  |
Revenues |  |
Revenues | 104.0 | 107.7
Operating profit (loss) |  |
Operating profit (loss) | 5.5 | 7.9
Healthcare | Operating Segments |  |
Revenues |  |
Revenues | 67.7 | 61.7
Operating profit (loss) |  |
Operating profit (loss) | 2.7 | 2.5
Government Services | Operating Segments |  |
Revenues |  |
Revenues | 0.0 | 31.4
Operating profit (loss) |  |
Operating profit (loss) | $ (0.7) | $ 1.9

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