Document and Entity Information - USD ($)	12 Months Ended
	Mar. 28, 2020	May 22, 2020	Sep. 28, 2019
Document and Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--03-28
Document Period End Date	Mar. 28, 2020
Document Transition Report	false
Entity File Number	000-08822
Entity Central Index Key	0000278166
Entity Registrant Name	CAVCO INDUSTRIES INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	56-2405642
Entity Address, Address Line One	3636 North Central Ave, Ste 1200
Entity Address, City or Town	Phoenix
Entity Address, State or Province	AZ
Entity Address, Postal Zip Code	85012
City Area Code	602
Local Phone Number	256-6263
Title of 12(b) Security	Common Stock, par value $0.01
Trading Symbol	CVCO
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 832,760,633
Entity Common Stock, Shares Outstanding		9,173,242
Documents Incorporated by Reference	Portions of Cavco Industries, Inc.'s Definitive Proxy Statement relating to its 2020 Annual Meeting of Stockholders, which is expected to be filed within 120 days following the end of the registrant's fiscal year ended March 28, 2020, are incorporated by reference into Part III hereof.