Document and Entity Information (USD $)	12 Months Ended
	Mar. 28, 2015	Jun. 05, 2015	Sep. 27, 2014
Document and Entity Information [Abstract]
Entity Registrant Name	CAVCO INDUSTRIES INC
Entity Central Index Key	0000278166
Current Fiscal Year End Date	--03-28
Entity Filer Category	Accelerated Filer
Document Type	10-K
Document Period End Date	Mar. 28, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding		8,867,684
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 268,794,096