Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 28, 2020	Dec. 28, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 29, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 28, 2020	Mar. 30, 2019	Mar. 31, 2018
Earnings Per Share Computation
Net income									$ 75,066	$ 68,622	$ 61,502
Weighted average shares outstanding:
Basic (in shares)									9,129,639	9,080,878	9,024,437
Effect of dilutive securities									139,145	187,859	177,269
Diluted (in shares)									9,268,784	9,268,737	9,201,706
Net income per share attributable to Cavco common stockholders:
Basic (usd per share)	$ 1.31	$ 2.29	$ 2.29	$ 2.34	$ 2.20	$ 1.47	$ 1.72	$ 2.18	$ 8.22	$ 7.56	$ 6.82
Diluted (usd per share)	$ 1.29	$ 2.25	$ 2.25	$ 2.31	$ 2.17	$ 1.44	$ 1.67	$ 2.12	$ 8.10	$ 7.40	$ 6.68
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive stock equivalents excluded from computation									23,336	13,862	4,116
Performance-Based Awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive stock equivalents excluded from computation									7,305