Business Segment Information - Schedule of Business Segment Information (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2025 |
Jul. 31, 2026 |
Jul. 31, 2025 |
Oct. 31, 2025 |
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| Segment Reporting [Line Items] | |||||
| Net sales | $ 1,066.2 | $ 1,060.3 | $ 3,171.8 | $ 3,027.3 | |
| Cost of sales | 354.3 | 368.3 | 1,029.3 | 996.0 | |
| Selling, general and administrative expense | 401.3 | 421.7 | 1,467.7 | 1,208.6 | |
| Research and development expense | 41.6 | 44.6 | 128.4 | 130.8 | |
| Amortization of intangibles | 47.0 | 50.0 | 142.6 | 149.4 | |
| Operating income | 222.0 | 175.7 | 403.8 | 542.5 | |
| Interest expense | 21.5 | 25.4 | 64.8 | 75.6 | |
| Other (income) expense, net | (1.3) | (1.6) | (6.6) | 17.2 | |
| Income before income taxes | 201.8 | 151.9 | 345.6 | 449.7 | |
| Depreciation expense | 47.6 | 45.7 | 143.0 | 130.1 | |
| Capital expenditures | 68.7 | 96.9 | 257.3 | 264.4 | |
| Total assets | 12,673.4 | 12,673.4 | $ 12,394.8 | ||
| Operating Segments | CooperVision | |||||
| Segment Reporting [Line Items] | |||||
| Net sales | 717.0 | 718.4 | 2,135.6 | 2,034.1 | |
| Cost of sales | 240.4 | 238.3 | 690.6 | 658.9 | |
| Selling, general and administrative expense | 244.6 | 248.1 | 734.4 | 714.9 | |
| Research and development expense | 22.3 | 24.3 | 66.8 | 72.4 | |
| Amortization of intangibles | 4.2 | 5.1 | 12.5 | 15.0 | |
| Operating income | 205.5 | 202.6 | 631.3 | 572.9 | |
| Depreciation expense | 40.9 | 39.0 | 123.3 | 111.4 | |
| Capital expenditures | 60.4 | 86.4 | 231.2 | 231.4 | |
| Total assets | 7,915.1 | 7,915.1 | 7,604.4 | ||
| Operating Segments | CooperSurgical | |||||
| Segment Reporting [Line Items] | |||||
| Net sales | 349.2 | 341.9 | 1,036.2 | 993.2 | |
| Cost of sales | 113.9 | 130.0 | 338.7 | 337.1 | |
| Selling, general and administrative expense | 132.1 | 150.9 | 662.9 | 423.6 | |
| Research and development expense | 19.3 | 20.3 | 61.6 | 58.4 | |
| Amortization of intangibles | 42.8 | 44.9 | 130.1 | 134.4 | |
| Operating income | 41.1 | (4.2) | (157.1) | 39.7 | |
| Depreciation expense | 6.7 | 6.7 | 19.7 | 18.7 | |
| Capital expenditures | 8.3 | 10.5 | 26.1 | 33.0 | |
| Total assets | 4,542.7 | 4,542.7 | 4,619.3 | ||
| Corporate | |||||
| Segment Reporting [Line Items] | |||||
| Net sales | 0.0 | 0.0 | 0.0 | 0.0 | |
| Cost of sales | 0.0 | 0.0 | 0.0 | 0.0 | |
| Selling, general and administrative expense | 24.6 | 22.7 | 70.4 | 70.1 | |
| Research and development expense | 0.0 | 0.0 | 0.0 | 0.0 | |
| Amortization of intangibles | 0.0 | 0.0 | 0.0 | 0.0 | |
| Operating income | (24.6) | (22.7) | (70.4) | (70.1) | |
| Depreciation expense | 0.0 | 0.0 | 0.0 | 0.0 | |
| Capital expenditures | 0.0 | $ 0.0 | 0.0 | $ 0.0 | |
| Total assets | $ 215.6 | $ 215.6 | $ 171.1 | ||
| X | ||||||||||
- Definition Amount of amortization expense for finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of interest expense classified as nonoperating. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expenditure for addition to long-lived asset included in determination of segment asset by chief operating decision maker (CODM) or otherwise regularly provided to CODM. Long-lived asset excludes financial instrument, long-term customer relationship of financial institution, mortgage and other servicing rights, deferred policy acquisition cost, and deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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