Document and Entity Information - USD ($)	12 Months Ended
	Apr. 01, 2017	Jun. 09, 2017	Oct. 01, 2016
Document and Entity Information [Abstract]
Entity Registrant Name	CAVCO INDUSTRIES INC
Entity Central Index Key	0000278166
Current Fiscal Year End Date	--04-01
Entity Filer Category	Accelerated Filer
Document Type	10-K
Document Period End Date	Apr. 01, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding		9,015,820
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 379,959,564