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Employee Benefit Plans - Narrative (Details) | 12 Months Ended
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Oct. 31, 2016 USD ($) item | Oct. 31, 2015 USD ($) | Oct. 31, 2014 USD ($)
Defined Benefit Plan Disclosure [Line Items] |  |  |
Number of defined contribution retirement plans | item | 5 |  |
Expenses incurred on defined contribution retirement plans | $ | $ 984,000 | $ 922,000 | $ 943,000
Expenses incurred on defined benefit retirement plans | $ | $ 8,000 | $ 10,000 | $ 9,000
Non Qualified Defined Benefit Pension Plans [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Number of retired executives sponsored under the plan | item | 2 |  |

X
- Definition Number of defined contribution plans. + References No definition available. + Details
Name: | cvgw_NumberOfDefinedContributionPlans
Namespace Prefix: | cvgw_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of plan administration expenses deducted from total plan assets. + References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanAdministrationExpenses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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. + References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of administrative expenses incurred by a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanAdministrativeExpenses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of employees eligible to participate in the defined contribution plan or plans described. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanNumberOfEmployeesCovered
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis=cvgw_NonQualifiedDefinedBenefitPensionPlansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |