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Long-Term Obligations - Narrative (Details) - FCW, term loan, bearing interest at 5.7% [Member] $ in Millions	12 Months Ended
	Oct. 31, 2018 USD ($) installment
Debt Instrument [Line Items]
Advance from FCW term loan for business acquisition received | $	$ 15
Number of monthly principal and interest payments | installment	60

X

- Definition

Long Term Debt Number Of Monthly Principal And Interest Payment

+ References

No definition available.

+ Details

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Namespace Prefix:	cvgw_
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Balance Type:	na
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_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	duration

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- Details

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