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Intangible Assets - Narrative (Details) | 12 Months Ended
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Oct. 31, 2024 USD ($) reporting_unit | Oct. 31, 2023 USD ($) | Oct. 31, 2022 USD ($)
Goodwill [Line Items] |  |  |
Number of reporting units | reporting_unit | 3 |  |
Goodwill impairment | $ 0 | $ 0 | $ 0
Impairment of definite-lived intangible assets | 0 |  | 0
Impairment of indefinite-lived intangible assets | 0 |  | $ 0
CooperSurgical |  |  |
Goodwill [Line Items] |  |  |
Goodwill deductible for tax purposes | 311,500,000 | 237,600,000 |
CooperVision |  |  |
Goodwill [Line Items] |  |  |
Goodwill deductible for tax purposes | $ 17,800,000 | $ 20,100,000 |

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