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Consumer Loans Receivable Consumer Loans Receivable (Weighted Averages) (Details) | 12 Months Ended
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Mar. 31, 2018 | Apr. 01, 2017
Receivables [Abstract] |  |
Prepayment Rate Consumer Loans Receivable | 16.00% | 13.80%
Default Rate Consumer Loans Receivable | 1.20% | 1.10%
Weighted average contractual interest rate | 8.57% | 8.87%
Weighted average effective interest rate | 9.34% | 9.35%
Weighted average months to maturity | 168 months | 165 months

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- Definition Default Rate Consumer Loans Receivable + References No definition available. + Details
Name: | cvco_DefaultRateConsumerLoansReceivable
Namespace Prefix: | cvco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Prepayment Rate Consumer Loans Receivable + References No definition available. + Details
Name: | cvco_PrepaymentRateConsumerLoansReceivable
Namespace Prefix: | cvco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Weighted average contractual interest rate + References No definition available. + Details
Name: | cvco_Weightedaveragecontractualinterestrate
Namespace Prefix: | cvco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Weighted average effective interest rate + References No definition available. + Details
Name: | cvco_Weightedaverageeffectiveinterestrate
Namespace Prefix: | cvco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Weighted average months to maturity + References No definition available. + Details
Name: | cvco_Weightedaveragemonthstomaturity
Namespace Prefix: | cvco_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration