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SEGMENT AND GEOGRAPHIC INFORMATION - Financial Information by Reportable Segment (Details) - USD ($) | 12 Months Ended
--- | ---
Oct. 31, 2022 | Oct. 31, 2021 | Oct. 31, 2020
Revenues |  |  |
Revenues | $ 7,806,600,000 | $ 6,228,600,000 | $ 5,987,600,000
Operating profit |  |  |
Operating profit | 348,800,000 | 206,300,000 | 95,700,000
Income from unconsolidated affiliates | 2,400,000 | 2,100,000 | 2,200,000
Interest expense | (41,100,000) | (28,600,000) | (44,600,000)
Income from continuing operations before income taxes | 310,000,000.0 | 179,800,000 | 53,300,000
Depreciation and amortization |  |  |
Depreciation and amortization | 112,400,000 | 89,900,000 | 96,400,000
Goodwill, impairment loss | 0 | 0 |
Goodwill and intangible asset impairment | 0 | 0 | 172,800,000
Bucio | Settled Litigation |  |  |
Depreciation and amortization |  |  |
Litigation settlement reserve | 900,000 | 142,900,000 |
Corporate |  |  |
Operating profit |  |  |
Operating profit | (284,500,000) | (374,600,000) | (146,900,000)
Depreciation and amortization |  |  |
Depreciation and amortization | 11,400,000 | 12,700,000 | 13,500,000
Segment Reconciling Items |  |  |
Operating profit |  |  |
Income from unconsolidated affiliates | (2,400,000) | (2,100,000) | (2,200,000)
Adjustment for tax deductions for energy efficient government buildings, included in Technical Solutions | (900,000) | (1,200,000) | (2,100,000)
Business & Industry |  |  |
Revenues |  |  |
Revenues | 4,095,900,000 | 2,853,800,000 | 2,856,400,000
Business & Industry | Operating Segments |  |  |
Operating profit |  |  |
Operating profit | 334,900,000 | 285,900,000 | 229,200,000
Depreciation and amortization |  |  |
Depreciation and amortization | 47,100,000 | 18,400,000 | 17,300,000
Manufacturing & Distribution |  |  |
Revenues |  |  |
Revenues | 1,445,200,000 | 1,363,100,000 | 1,151,400,000
Manufacturing & Distribution | Operating Segments |  |  |
Operating profit |  |  |
Operating profit | 161,800,000 | 155,500,000 | 108,000,000.0
Depreciation and amortization |  |  |
Depreciation and amortization | 13,400,000 | 13,400,000 | 14,100,000
Education |  |  |
Revenues |  |  |
Revenues | 834,700,000 | 830,800,000 | 805,100,000
Depreciation and amortization |  |  |
Goodwill, impairment loss |  |  | 99,300,000
Education | Operating Segments |  |  |
Operating profit |  |  |
Operating profit | 47,100,000 | 61,500,000 | (39,900,000)
Depreciation and amortization |  |  |
Depreciation and amortization | 25,400,000 | 30,500,000 | 33,700,000
Aviation |  |  |
Revenues |  |  |
Revenues | 804,000,000.0 | 651,100,000 | 670,700,000
Depreciation and amortization |  |  |
Goodwill and intangible asset impairment |  |  | 61,100,000
Aviation | Operating Segments |  |  |
Operating profit |  |  |
Operating profit | 29,300,000 | 32,100,000 | (60,100,000)
Depreciation and amortization |  |  |
Depreciation and amortization | 8,200,000 | 9,100,000 | 10,600,000
Technical Solutions |  |  |
Revenues |  |  |
Revenues | 626,800,000 | 529,800,000 | 504,000,000.0
Depreciation and amortization |  |  |
Goodwill and intangible asset impairment |  |  | 12,400,000
Technical Solutions | Operating Segments |  |  |
Operating profit |  |  |
Operating profit | 63,800,000 | 49,400,000 | 9,700,000
Depreciation and amortization |  |  |
Depreciation and amortization | 7,000,000.0 | 5,900,000 | 7,200,000
Government Services |  |  |
Revenues |  |  |
Revenues | 0 | 0 | 0
Government Services | Operating Segments |  |  |
Operating profit |  |  |
Operating profit | $ (300,000) | $ (200,000) | $ (100,000)

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