Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Jun. 30, 2018	Jul. 01, 2017
Earnings Per Share Computation
Net income attributable to Cavco common stockholders	$ 19,691	$ 11,753
Weighted average shares outstanding:
Basic (in shares)	9,048,579	9,006,999
Common stock equivalents - treasury stock method (in shares)	218,469	155,492
Diluted (in shares)	9,267,048	9,162,491
Net income per share attributable to Cavco common stockholders:
Basic (usd per share)	$ 2.18	$ 1.30
Diluted (usd per share)	$ 2.12	$ 1.28
Anti-dilutive stock equivalents excluded from computation	1,268	10,973