Quarterly Financial Data (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Apr. 01, 2017	Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Dec. 26, 2015	Sep. 26, 2015	Jun. 27, 2015	Apr. 01, 2017	Apr. 02, 2016	Mar. 28, 2015
Quarterly Financial Information Disclosure [Abstract]
Net revenue	$ 197,998	$ 202,310	$ 188,348	$ 185,141	$ 177,293	$ 181,427	$ 191,964	$ 161,668	$ 773,797	$ 712,352
Gross profit	42,134	43,544	39,107	33,252	36,666	36,390	39,555	31,834	158,037	144,445	$ 126,136
Net income									37,955	28,541	23,817
Net income attributable to Cavco common stockholders	$ 10,888	$ 12,283	$ 9,341	$ 5,443	$ 6,988	$ 8,098	$ 8,070	$ 5,385	$ 37,955	$ 28,541	$ 23,817
Net income per share attributable to Cavco common stockholders:
Basic (usd per share)	$ 1.21	$ 1.37	$ 1.04	$ 0.61	$ 0.78	$ 0.91	$ 0.91	$ 0.61	$ 4.23	$ 3.21	$ 2.69
Diluted (usd per share)	$ 1.19	$ 1.35	$ 1.03	$ 0.60	$ 0.77	$ 0.89	$ 0.89	$ 0.60	$ 4.17	$ 3.15	$ 2.64