Line Of Credit Facility, Accordion Feature, Increase Limit

No definition available.

Name:	coo_LineOfCreditFacilityAccordionFeatureIncreaseLimit
Namespace Prefix:	coo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line Of Credit Facility, Accordion Feature, Increase Limit, Percentage of EBITDA

+ References

No definition available.

+ Details

Name:	coo_LineOfCreditFacilityAccordionFeatureIncreaseLimitPercentageOfEBITDA
Namespace Prefix:	coo_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Schedule of Long Term And Short Term Debt Instruments [Line Items]

+ References

No definition available.

+ Details

Name:	coo_ScheduleOfLongTermAndShortTermDebtInstrumentsLineItems
Namespace Prefix:	coo_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477657/942-210-S45-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478478/942-210-S50-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 9
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480657/210-10-S50-9

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The effective interest rate at the end of the reporting period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480657/210-10-S50-8

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

+ Details

Name:	us-gaap_RepaymentsOfSecuredDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_DebtInstrumentAxis=coo_CreditAgreement2024Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_SecuredOvernightFinancingRateSofrMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=coo_ForeignCurrencyRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=coo_TermLoanFacility2021Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=coo_TermLoanFacility2021MaturingFebruary32031Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=coo_TermLoanFacility2021MaturingDecember172026Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=coo_TermLoanFacility2020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=coo_CreditAgreement2020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Financing Arrangements - Narrative (Details) - Revolving credit - USD ($) $ in Millions	May 01, 2024	Jul. 31, 2026	Feb. 03, 2026	Dec. 17, 2021
2024 Credit Agreement
Schedule of Long Term And Short Term Debt Instruments [Line Items]
Potential additional borrowing capacity	$ 1,150.0
Line of credit facility, accordion feature, increase limit, EBITDA (in percent)	100.00%
2024 Credit Agreement \| Minimum \| Base rate
Schedule of Long Term And Short Term Debt Instruments [Line Items]
Debt instrument, basis spread on variable rate (in percent)	0.00%
2024 Credit Agreement \| Minimum \| Adjusted SOFR
Schedule of Long Term And Short Term Debt Instruments [Line Items]
Debt instrument, basis spread on variable rate (in percent)	0.87%
2024 Credit Agreement \| Minimum \| Adjusted foreign currency rate
Schedule of Long Term And Short Term Debt Instruments [Line Items]
Debt instrument, basis spread on variable rate (in percent)	0.87%
2024 Credit Agreement \| Maximum \| Base rate
Schedule of Long Term And Short Term Debt Instruments [Line Items]
Debt instrument, basis spread on variable rate (in percent)	0.50%
2024 Credit Agreement \| Maximum \| Adjusted SOFR
Schedule of Long Term And Short Term Debt Instruments [Line Items]
Debt instrument, basis spread on variable rate (in percent)	1.50%
2024 Credit Agreement \| Maximum \| Adjusted foreign currency rate
Schedule of Long Term And Short Term Debt Instruments [Line Items]
Debt instrument, basis spread on variable rate (in percent)	1.50%
2021 Term Loan Facility
Schedule of Long Term And Short Term Debt Instruments [Line Items]
Aggregate principal amount				$ 1,500.0
Potential additional borrowing capacity			$ 1,365.0
Line of credit facility, accordion feature, increase limit, EBITDA (in percent)			100.00%
Debt outstanding		$ 1,500.0
Interest rate (in percent)		4.52%
Term Loan Facility 2021, Maturing February 3, 2031
Schedule of Long Term And Short Term Debt Instruments [Line Items]
Aggregate principal amount			$ 950.0
Term Loan Facility 2021, Maturing December 17, 2026
Schedule of Long Term And Short Term Debt Instruments [Line Items]
Aggregate principal amount			$ 550.0
Revolving credit \| 2024 Credit Agreement
Schedule of Long Term And Short Term Debt Instruments [Line Items]
Aggregate principal amount	$ 2,300.0
Debt outstanding		$ 966.7
Interest rate (in percent)		4.65%
Revolving credit \| 2024 Credit Agreement \| Minimum
Schedule of Long Term And Short Term Debt Instruments [Line Items]
Line of credit facility, unused capacity, commitment fee (in percent)	0.10%
Revolving credit \| 2024 Credit Agreement \| Maximum
Schedule of Long Term And Short Term Debt Instruments [Line Items]
Line of credit facility, unused capacity, commitment fee (in percent)	0.20%
Term Loan Facility 2020 \| 2020 Credit Agreement
Schedule of Long Term And Short Term Debt Instruments [Line Items]
Repayment of borrowings	$ 1,170.0