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v2.4.1.9

Income Taxes (Narrative) (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Oct. 31, 2014 | Oct. 31, 2013 | Oct. 31, 2012 | Jul. 31, 2013
Operating Loss Carryforwards [Line Items] |  |  |  |
Effective tax rate (ETR) | 8.30%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 4.90%us-gaap_EffectiveIncomeTaxRateContinuingOperations |  |
Statutory income tax rate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate |  |  |
Current deferred tax liabilities | $ 20,000 us-gaap_DeferredTaxLiabilitiesCurrent | $ 20,000 us-gaap_DeferredTaxLiabilitiesCurrent |  |
Less valuation allowance | 14,506,000 us-gaap_DeferredTaxAssetsValuationAllowance | 968,000 us-gaap_DeferredTaxAssetsValuationAllowance |  |
Undistributed earnings of its foreign subsidiaries | 1,700,000,000 us-gaap_UndistributedEarningsOfForeignSubsidiaries |  |  |
Research credits | 126,000 us-gaap_IncomeTaxReconciliationTaxCreditsResearch | 2,066,000 us-gaap_IncomeTaxReconciliationTaxCreditsResearch | 131,000 us-gaap_IncomeTaxReconciliationTaxCreditsResearch |
Unrecognized tax benefits that would impact ETR | 32,000,000 us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate |  |  |
Interest and penalties | 4,100,000 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued |  |  |
Unrecognized tax benefits related to tax positions | 10,200,000 us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeUpperBound |  |  |
Federal [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Net operating loss carryforwards | 9,800,000 us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_InternalRevenueServiceIRSMember |  |  |
Federal net operating loss carryforwards related to share option exercises | 4,300,000 coo_FederalNetOperatingLossCarryforwardsRelatedToShareOptionExercises / us-gaap_IncomeTaxAuthorityAxis = us-gaap_InternalRevenueServiceIRSMember |  |  |
Alternative minimum tax credits | 6,600,000 us-gaap_IncomeTaxReconciliationTaxCredits / us-gaap_IncomeTaxAuthorityAxis = us-gaap_InternalRevenueServiceIRSMember |  |  |
Research credits | 4,200,000 us-gaap_IncomeTaxReconciliationTaxCreditsResearch / us-gaap_IncomeTaxAuthorityAxis = us-gaap_InternalRevenueServiceIRSMember |  |  |
State and Local Jurisdiction [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Net operating loss carryforwards | 40,400,000 us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |  |  |
California [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Research credits | 800,000 us-gaap_IncomeTaxReconciliationTaxCreditsResearch / us-gaap_IncomeTaxAuthorityAxis = stpr_CA |  |  |
Origio [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Less valuation allowance |  |  | 1,100,000 us-gaap_DeferredTaxAssetsValuationAllowance / us-gaap_BusinessAcquisitionAxis = coo_OrigioMember | 1,000,000 us-gaap_DeferredTaxAssetsValuationAllowance / us-gaap_BusinessAcquisitionAxis = coo_OrigioMember
Sauflon [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Less valuation allowance | $ 13,500,000 us-gaap_DeferredTaxAssetsValuationAllowance / us-gaap_BusinessAcquisitionAxis = coo_SauflonMember |  |  |

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Amount of deferred tax liability attributable to taxable temporary differences, net of deferred tax asset attributable to deductible temporary differences and carryforwards net of valuation allowances expected to be realized or consumed within one year or operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e31917-109318 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e31931-109318 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e31958-109318 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 + Details
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- Definition Amount of (increase) decrease reasonably possible in the estimated upper bound of the unrecognized tax benefit for a tax position taken or expected to be taken. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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