XML 67 R54.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Summary of Significant Accounting Policies (Warranties) (Details) | 12 Months Ended
--- | ---
Mar. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Warranty period for manufacturing defects | 1 year
Nonstructural Component Warranty Description | 120 days

X
- Definition Nonstructural Component Warranty Description + References No definition available. + Details
Name: | cvco_NonstructuralComponentWarrantyDescription
Namespace Prefix: | cvco_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Standard Product Warranty Term + References No definition available. + Details
Name: | cvco_StandardProductWarrantyTerm
Namespace Prefix: | cvco_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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