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Mexican IVA taxes receivable (Details) $ in Millions, $ in Millions	Apr. 30, 2020 MXN ($)	Apr. 30, 2020 USD ($)	Oct. 31, 2019 MXN ($)	Oct. 31, 2019 USD ($)
Mexican IVA taxes receivable
IVA receivables balance	$ 591.5	$ 24.7	$ 529.6	$ 27.6

X

- Definition

N/A

+ References

No definition available.

+ Details

Name:	cvgw_ValueAddedTaxReceivableAbstract
Namespace Prefix:	cvgw_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- 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