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Reinsurance (Details Textual) (USD $)
 9 Months Ended
Dec. 27, 2014
Insurance [Abstract]  
Insurance policies maximum coverage per claim $ 300,000cvco_MaximumRiskAssumedPerPolicy
Insurance policies coverage per claim ceded to reinsurers 225,000cvco_MaximumRiskCededPerPolicy
Insurance policy risk of loss maintained per claim 75,000cvco_LimitedRiskOfLossPerClaimOnTypicalPoliciesAmount
Catastrophic losses recoverable in excess of amount 1,000,000cvco_CatastrophicLossesRecoverablePerOccurrenceGreaterThanAmount
Aggregate catastrophic losses recoverable in excess of amount $ 20,000,000cvco_CatastrophicLossesRecoverableInAggregateGreaterThanAmount