XML 73 R63.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Property, Plant and Equipment (Narrative) (Details) | 6 Months Ended
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Sep. 30, 2017
Buildings and improvements [Member] | Minimum [Member] |
Property, Plant and Equipment (Textual) [Abstract] |
Useful lives | 10 years
Buildings and improvements [Member] | Maximum [Member] |
Property, Plant and Equipment (Textual) [Abstract] |
Useful lives | 39 years
Machinery and equipment [Member] | Minimum [Member] |
Property, Plant and Equipment (Textual) [Abstract] |
Useful lives | 3 years
Machinery and equipment [Member] | Maximum [Member] |
Property, Plant and Equipment (Textual) [Abstract] |
Useful lives | 25 years

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- Definition Property, plant and equipment. + References No definition available. + Details
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Namespace Prefix: | cvco_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingAndBuildingImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_MachineryAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |