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v3.21.2

Intangible Assets - Narrative (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 31, 2021 USD ($) | Oct. 31, 2021 USD ($) reporting_unit | Oct. 31, 2020 USD ($)
Goodwill [Line Items] |  |  |
Goodwill impairment | $ 0 | $ 0 | $ 0
Number of reporting units | reporting_unit |  | 3 |
Impairment of definite-lived intangible assets |  | $ 0 |
Impairment of indefinite-lived intangible assets |  | 0 |
CooperSurgical |  |  |
Goodwill [Line Items] |  |  |
Goodwill deductible for tax purposes |  | 137,200,000 | 134,200,000
CooperVision |  |  |
Goodwill [Line Items] |  |  |
Goodwill deductible for tax purposes |  | $ 24,600,000 | $ 26,900,000

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- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 + Details
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