Quarterly Financial Data (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
Quarterly Financial Information Disclosure [Abstract]
Net revenue	$ 255,335	$ 273,722	$ 268,675	$ 264,042	$ 241,113	$ 233,700	$ 241,530	$ 246,403	$ 1,061,774	$ 962,746	$ 871,235
Gross profit	51,898	59,855	58,467	60,298	55,793	49,021	49,416	51,476	230,518	205,706	180,680
Net income	$ 12,001	$ 20,898	$ 20,885	$ 21,282	$ 19,971	$ 13,384	$ 15,576	$ 19,691	$ 75,066	$ 68,622	$ 61,502
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