Name:	coo_AmortizationOfTermLoanPrincipal
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Data Type:	num:percentItemType
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Period Type:	duration

Interest Coverage Ratio

No definition available.

Name:	coo_InterestCoverageRatio
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Data Type:	xbrli:pureItemType
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Period Type:	instant

Line Of Credit Facility Interest Rate Margin On Base Rate Loans Percentage

No definition available.

Name:	coo_LineOfCreditFacilityInterestRateMarginOnBaseRateLoansPercentage
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Line Of Credit Facility Interest Rate Margin On Foreign Currency Loans Percentage

No definition available.

Name:	coo_LineOfCreditFacilityInterestRateMarginOnForeignCurrencyLoansPercentage
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Required maximum total leverage ratio.

No definition available.

Name:	coo_RequiredMaximumTotalLeverageRatio
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Required minimum interest coverage ratio.

No definition available.

Name:	coo_RequiredMinimumInterestCoverageRatio
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Total Leverage Ratio

No definition available.

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

No definition available.

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Date the debt agreement requires the first payment to be made, in CCYY-MM-DD format.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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-Name Regulation S-X (SX)

-Number 210

-Section 02

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Date the debt instrument was issued, in CCYY-MM-DD format.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Regulation S-X (SX)

-Number 210

-Section 02

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-Subparagraph (SX 210.5-02.22(a))

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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-Name Regulation S-X (SX)

-Number 210

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-Subparagraph (SX 210.5-02.22(a)(2))

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	us-gaap_DebtInstrumentTerm
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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

No definition available.

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Date the credit facility terminates, in CCYY-MM-DD format.

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Date the credit facility first became available, in CCYY-MM-DD format.

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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.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Glossary Financing Activities

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Regulation S-X (SX)

-Number 210

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Subparagraph (SX 210.5-02.19(a))

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-Name Accounting Standards Codification

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-Paragraph 1

-Subparagraph (SX 210.9-03.13)

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-Topic 944

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.(a),16(a)(1))

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Balance Type:	credit
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Carrying value as of the balance sheet date of uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

Name:	us-gaap_UnsecuredLongTermDebt
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Name:	us-gaap_LineOfCreditFacilityAxis=coo_TDBankN.A.Member
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