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Mexican IVA taxes receivable (Details) - USD ($) $ in Millions | Apr. 30, 2019 | Oct. 31, 2018
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Value Added Tax Receivable [Abstract] |  |
IVA receivables balance | $ 25.4 | $ 21.9

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- Definition N/A + References No definition available. + Details
Name: | cvgw_ValueAddedTaxReceivableAbstract
Namespace Prefix: | cvgw_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Carrying amount as of the balance sheet date of value added taxes due either from customers arising from sales on credit terms, or as previously overpaid to tax authorities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_ValueAddedTaxReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant