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Intangible Assets - Goodwill (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Oct. 31, 2021 | Oct. 31, 2020
Goodwill [Roll Forward] |  |
Balance, beginning | $ 2,447.3 | $ 2,428.9
Net additions | 91.6 | 15.3
Foreign currency translation adjustment | 58.3 | 3.1
Amount reclassified to assets held for sale | (23.2) |
Balance, ending | 2,574.0 | 2,447.3
CooperVision |  |
Goodwill [Roll Forward] |  |
Balance, beginning | 1,779.3 | 1,765.4
Net additions | 30.2 | 13.5
Foreign currency translation adjustment | 54.7 | 0.4
Amount reclassified to assets held for sale | (23.2) |
Balance, ending | 1,841.0 | 1,779.3
CooperSurgical |  |
Goodwill [Roll Forward] |  |
Balance, beginning | 668.0 | 663.5
Net additions | 61.4 | 1.8
Foreign currency translation adjustment | 3.6 | 2.7
Amount reclassified to assets held for sale | 0.0 |
Balance, ending | $ 733.0 | $ 668.0

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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://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766 Reference 4: 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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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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