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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
Jan. 31, 2015
Jan. 31, 2014
Oct. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unrealized investment holding losses $ 8,401us-gaap_MarketableSecuritiesUnrealizedGainLoss $ 9,628us-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_MinorityInterestOwnershipPercentageByParent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cvgw_LimoneiraMember
   
Limoneira's stock price $ 20.80us-gaap_SharePrice
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cvgw_LimoneiraMember
  $ 25.66us-gaap_SharePrice
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cvgw_LimoneiraMember
Unrealized investment holding losses $ 8,400us-gaap_MarketableSecuritiesUnrealizedGainLoss
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cvgw_LimoneiraMember
$ 9,600us-gaap_MarketableSecuritiesUnrealizedGainLoss
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cvgw_LimoneiraMember