Earnings Per Share (Details) (USD $) In Thousands, except 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
Earnings Per Share Computation
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
Weighted average shares outstanding:
Basic (in shares)									6,956,706	6,877,437	6,637,270
Common stock equivalents - treasury stock method (in shares)									70,498	71,640	222,187
Diluted (in shares)									7,027,204	6,949,077	6,859,457
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
Anti-dilutive stock equivalents excluded from computation									5,951	2,568	84