Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017
Earnings Per Share Computation
Net income attributable to Cavco common stockholders	$ 15,576	$ 6,182	$ 35,267	$ 17,935
Weighted average shares outstanding:
Basic (in shares)	9,079,679	9,020,834	9,064,007	9,013,917
Common stock equivalents - treasury stock method (in shares)	224,509	161,065	223,723	157,598
Diluted (in shares)	9,304,188	9,181,899	9,287,730	9,171,515
Net income per share attributable to Cavco common stockholders:
Basic (usd per share)	$ 1.72	$ 0.69	$ 3.89	$ 1.99
Diluted (usd per share)	$ 1.67	$ 0.67	$ 3.80	$ 1.96
Anti-dilutive stock equivalents excluded from computation	3,751	4,867	6,682	8,432