Document and Entity Information (USD $)	12 Months Ended
	Mar. 30, 2013	Jun. 07, 2013	Sep. 30, 2012
Document and Entity Information [Abstract]
Entity Registrant Name	CAVCO INDUSTRIES INC
Entity Central Index Key	0000278166
Document Type	10-K
Document Period End Date	Mar. 30, 2013
Amendment Flag	false
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--03-30
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		6,967,954
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 294,867,388