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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 |

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- Details
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