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Fair Value Measurements - Financial Assets and Liabilities Measured on Recurring and Non-Recurring Basis (Parenthetical) (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2015	Apr. 30, 2014	Oct. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Unrealized investment holding income (losses)			$ (4,702)us-gaap_MarketableSecuritiesUnrealizedGainLoss	$ (5,825)us-gaap_MarketableSecuritiesUnrealizedGainLoss
Limoneira [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Percentage of outstanding shares of Limoneira's shares owned	12.00%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = cvgw_LimoneiraMember		12.00%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = cvgw_LimoneiraMember
Limoneira's stock price	$ 22.94us-gaap_SharePrice / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = cvgw_LimoneiraMember		$ 22.94us-gaap_SharePrice / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = cvgw_LimoneiraMember		$ 25.66us-gaap_SharePrice / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = cvgw_LimoneiraMember
Unrealized investment holding income (losses)	$ 3,700us-gaap_MarketableSecuritiesUnrealizedGainLoss / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = cvgw_LimoneiraMember	$ 3,800us-gaap_MarketableSecuritiesUnrealizedGainLoss / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = cvgw_LimoneiraMember	$ (4,700)us-gaap_MarketableSecuritiesUnrealizedGainLoss / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = cvgw_LimoneiraMember	$ (5,800)us-gaap_MarketableSecuritiesUnrealizedGainLoss / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = cvgw_LimoneiraMember

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- Definition

The aggregate net change in the difference between the fair value and the carrying value, or in the comparative fair values, of marketable securities categorized as trading held at each balance sheet date, that was included in earnings for the period, which may have arisen from (a) securities classified as trading, (b) the unrealized holding gain (loss) on held-to-maturity securities transferred to the trading security category, and (c) the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) on available-for-sale securities transferred to trading securities during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 9

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27405-111563

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

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