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Summary of Significant Accounting Policies Revenue Concentration (Details)
12 Months Ended
Mar. 28, 2015
Mar. 30, 2013
Mar. 29, 2014
Revenue Recognition [Abstract]      
Concentration Risk on Financing Receivables Percentage 10.00%cvco_ConcentrationRiskOnFinancingReceivablesPercentage   10.00%cvco_ConcentrationRiskOnFinancingReceivablesPercentage
Concentration Risk on Financing Receivables Description excess of 10% of the principal balance of commercial loans receivable    
Concentration Risk on Factory Built Housing Description   No independent retailer accounted for 10% or more of our manufacturing revenue