Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 30, 2019	Dec. 29, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 30, 2017	Sep. 30, 2017	Jul. 01, 2017	Mar. 30, 2019	Mar. 31, 2018	Apr. 01, 2017
Earnings Per Share Computation
Net income	$ 19,971	$ 13,384	$ 15,576	$ 19,691	$ 22,140	$ 21,427	$ 6,182	$ 11,753	$ 68,622	$ 61,502	$ 37,955
Weighted average shares outstanding:
Basic (in shares)									9,080,878	9,024,437	8,976,064
Effect of dilutive securities									187,859	177,269	129,679
Diluted (in shares)									9,268,737	9,201,706	9,105,743
Net income per share attributable to Cavco common stockholders:
Basic (usd per share)	$ 2.20	$ 1.47	$ 1.72	$ 2.18	$ 2.45	$ 2.37	$ 0.69	$ 1.30	$ 7.56	$ 6.82	$ 4.23
Diluted (usd per share)	$ 2.17	$ 1.44	$ 1.67	$ 2.12	$ 2.40	$ 2.33	$ 0.67	$ 1.28	$ 7.40	$ 6.68	$ 4.17
Anti-dilutive stock equivalents excluded from computation									13,862	4,116	9,766