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v3.20.4

Goodwill and Other Intangible Assets - Changes in Carrying Amounts of Goodwill by Segment (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Oct. 31, 2020 | Oct. 31, 2019
Goodwill [Roll Forward] |  |
Beginning balance | $ 1,835.4 | $ 1,834.8
Reallocation |  | 0.0
Foreign currency translation | (0.2) | 0.6
Impairment loss | (163.8) |
Ending balance | 1,671.4 | 1,835.4
Business & Industry |  |
Goodwill [Roll Forward] |  |
Beginning balance | 573.9 | 527.9
Reallocation |  | 45.7
Foreign currency translation | 0.1 | 0.3
Impairment loss | 0.0 |
Ending balance | 574.0 | 573.9
Technology & Manufacturing |  |
Goodwill [Roll Forward] |  |
Beginning balance | 407.2 | 407.2
Reallocation |  | 0.0
Foreign currency translation | 0.0 | 0.0
Impairment loss | 0.0 |
Ending balance | 407.2 | 407.2
Education |  |
Goodwill [Roll Forward] |  |
Beginning balance | 558.6 | 557.4
Reallocation |  | 1.2
Foreign currency translation | 0.0 | 0.0
Impairment loss | (99.3) |
Ending balance | 459.3 | 558.6
Aviation |  |
Goodwill [Roll Forward] |  |
Beginning balance | 125.0 | 124.9
Reallocation |  | 0.0
Foreign currency translation | 0.0 | 0.1
Impairment loss | (55.5) |
Ending balance | 69.5 | 125.0
Technical Solutions |  |
Goodwill [Roll Forward] |  |
Beginning balance | 170.7 | 158.7
Reallocation |  | 11.8
Foreign currency translation | (0.3) | 0.3
Impairment loss | (9.0) |
Ending balance | 161.5 | 170.7
Healthcare |  |
Goodwill [Roll Forward] |  |
Beginning balance | 0.0 | 58.7
Reallocation |  | (58.7)
Foreign currency translation | 0.0 | 0.0
Impairment loss |  |
Ending balance | $ 0.0 | $ 0.0

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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