Quarterly Financial Data (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 30, 2013	Dec. 29, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 30, 2013	Mar. 31, 2012	Mar. 31, 2011
Quarterly Financial Information Disclosure [Abstract]
Revenues	$ 108,832	$ 114,603	$ 110,084	$ 118,781					$ 452,300	$ 443,066	$ 171,827
Net revenue					99,513	114,564	130,008	98,981		443,066
Gross profit	24,018	26,575	25,707	24,055	24,635	26,922	28,228	16,160	100,355	95,945	24,278
Net income	2,977	3,021	2,681	1,618	2,888	2,980	3,172	20,688	10,297	29,728	4,072
Net income attributable to Cavco common stockholders	$ 1,392	$ 1,457	$ 1,254	$ 860	$ 1,653	$ 1,677	$ 1,685	$ 10,222	$ 4,963	$ 15,237	$ 2,831
Net income per share attributable to Cavco common stockholders:
Basic (usd per share)	$ 0.20	$ 0.21	$ 0.18	$ 0.12	$ 0.24	$ 0.24	$ 0.24	$ 1.50	$ 0.71	$ 2.22	$ 0.43
Diluted (usd per share)	$ 0.20	$ 0.21	$ 0.18	$ 0.12	$ 0.24	$ 0.24	$ 0.24	$ 1.48	$ 0.71	$ 2.19	$ 0.41