Quarterly Financial Data (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
Quarterly Financial Information Disclosure [Abstract]
Net revenue	$ 241,113	$ 233,700	$ 241,530	$ 246,403	$ 242,529	$ 221,383	$ 200,507	$ 206,816	$ 962,746	$ 871,235	$ 773,797
Gross profit	55,793	49,021	49,416	51,476	54,304	49,856	34,554	41,966	205,706	180,680	158,037
Net income									68,622	61,502	37,955
Net income	$ 19,971	$ 13,384	$ 15,576	$ 19,691	$ 22,140	$ 21,427	$ 6,182	$ 11,753	$ 68,622	$ 61,502	$ 37,955
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