Document and Entity Information - shares	6 Months Ended
	Sep. 26, 2020	Oct. 23, 2020
Cover [Abstract]
Entity Central Index Key	0000278166
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 26, 2020
Amendment Flag	false
Document Transition Report	false
Entity File Number	000-08822
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 Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding		9,188,162
Current Fiscal Year End Date	--04-03
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q2