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Segment Information - Financial Information by Reportable Segment (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2018 | Jul. 31, 2017 | Jul. 31, 2018 | Jul. 31, 2017
Revenues |  |  |  |
Revenues | $ 1,624.3 | $ 1,318.4 | $ 4,793.5 | $ 3,955.6
Operating profit (loss) |  |  |  |
Income from unconsolidated affiliates, net | 1.0 | 1.2 | 2.5 | 3.6
Operating profit (loss) | 48.1 | 22.6 | 112.9 | 97.4
Interest expense | (12.9) | (2.8) | (41.0) | (9.1)
Income from continuing operations before income taxes | 36.1 | 21.0 | 74.4 | 91.9
Corporate |  |  |  |
Operating profit (loss) |  |  |  |
Operating profit (loss) | (42.7) | (47.5) | (127.3) | (118.5)
Segment Reconciling Items |  |  |  |
Operating profit (loss) |  |  |  |
Income from unconsolidated affiliates, net | (0.9) | (1.0) | (2.5) | (3.4)
Adjustment for tax deductions for energy efficient government buildings, included in Technical Solutions | (0.3) | (0.4) | (2.6) | (1.8)
Business & Industry | Operating Segments |  |  |  |
Revenues |  |  |  |
Revenues | 735.2 | 652.6 | 2,180.5 | 1,945.6
Operating profit (loss) |  |  |  |
Operating profit (loss) | 38.9 | 37.3 | 111.0 | 100.4
Aviation | Operating Segments |  |  |  |
Revenues |  |  |  |
Revenues | 256.8 | 258.9 | 758.3 | 722.9
Operating profit (loss) |  |  |  |
Operating profit (loss) | 9.7 | 5.4 | 20.6 | 16.8
Technology & Manufacturing | Operating Segments |  |  |  |
Revenues |  |  |  |
Revenues | 230.8 | 161.5 | 690.3 | 494.4
Operating profit (loss) |  |  |  |
Operating profit (loss) | 16.9 | 11.0 | 49.8 | 35.8
Education | Operating Segments |  |  |  |
Revenues |  |  |  |
Revenues | 210.9 | 67.3 | 623.5 | 199.5
Operating profit (loss) |  |  |  |
Operating profit (loss) | 12.0 | 3.9 | 31.8 | 11.1
Technical Solutions | Operating Segments |  |  |  |
Revenues |  |  |  |
Revenues | 121.6 | 106.7 | 334.1 | 325.2
Operating profit (loss) |  |  |  |
Operating profit (loss) | 11.9 | 9.4 | 24.9 | 27.5
Healthcare | Operating Segments |  |  |  |
Revenues |  |  |  |
Revenues | 69.1 | 59.3 | 206.7 | 181.6
Operating profit (loss) |  |  |  |
Operating profit (loss) | 2.5 | 2.8 | 7.9 | 7.7
Government Services | Operating Segments |  |  |  |
Revenues |  |  |  |
Revenues | 0.0 | 12.3 | 0.0 | 86.5
Operating profit (loss) |  |  |  |
Operating profit (loss) | $ 0.0 | $ 1.7 | $ (0.8) | $ 21.8

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