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Intangible Assets (Schedule of Goodwill) (Details) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 30, 2019 | Oct. 31, 2018
Goodwill [Roll Forward] |  |
Balance, beginning | $ 2,392.1 | $ 2,354.8
Net additions during the six months ended April 30, 2019 | 35.8 | 71.2
Translation | 10.6 | (33.9)
Balance, ending | 2,438.5 | 2,392.1
CooperVision |  |
Goodwill [Roll Forward] |  |
Balance, beginning | 1,742.9 | 1,735.7
Net additions during the six months ended April 30, 2019 | 13.8 | 36.8
Translation | 11.2 | (29.6)
Balance, ending | 1,767.9 | 1,742.9
CooperSurgical |  |
Goodwill [Roll Forward] |  |
Balance, beginning | 649.2 | 619.1
Net additions during the six months ended April 30, 2019 | 22.0 | 34.4
Translation | (0.6) | (4.3)
Balance, ending | $ 670.6 | $ 649.2

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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://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=77989000&loc=SL49117168-202975 Reference 2: 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=108376223&loc=d3e13816-109267 + Details
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