Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended
Mar. 28, 2015	Dec. 27, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 28, 2015	Mar. 29, 2014	Mar. 30, 2013
Earnings Per Share Computation
Net income attributable to Cavco common stockholders	$ 5,953us-gaap_NetIncomeLoss	$ 6,638us-gaap_NetIncomeLoss	$ 5,467us-gaap_NetIncomeLoss	$ 5,759us-gaap_NetIncomeLoss	$ 4,210us-gaap_NetIncomeLoss	$ 5,892us-gaap_NetIncomeLoss	$ 4,310us-gaap_NetIncomeLoss	$ 1,826us-gaap_NetIncomeLoss	$ 23,817us-gaap_NetIncomeLoss	$ 16,238us-gaap_NetIncomeLoss	$ 4,963us-gaap_NetIncomeLoss
Weighted average shares outstanding:
Basic (in shares)									8,854,359	8,262,688	6,956,706
Common stock equivalents - treasury stock method (in shares)									161,420	116,336	70,498
Diluted (in shares)									9,015,779	8,379,024	7,027,204
Net income per share attributable to Cavco common stockholders:
Basic (usd per share)	$ 0.67us-gaap_EarningsPerShareBasic	$ 0.75us-gaap_EarningsPerShareBasic	$ 0.62us-gaap_EarningsPerShareBasic	$ 0.65us-gaap_EarningsPerShareBasic	$ 0.48us-gaap_EarningsPerShareBasic	$ 0.67us-gaap_EarningsPerShareBasic	$ 0.51us-gaap_EarningsPerShareBasic	$ 0.26us-gaap_EarningsPerShareBasic	$ 2.69us-gaap_EarningsPerShareBasic	$ 1.97us-gaap_EarningsPerShareBasic	$ 0.71us-gaap_EarningsPerShareBasic
Diluted (usd per share)	$ 0.66us-gaap_EarningsPerShareDiluted	$ 0.74us-gaap_EarningsPerShareDiluted	$ 0.61us-gaap_EarningsPerShareDiluted	$ 0.64us-gaap_EarningsPerShareDiluted	$ 0.47us-gaap_EarningsPerShareDiluted	$ 0.66us-gaap_EarningsPerShareDiluted	$ 0.50us-gaap_EarningsPerShareDiluted	$ 0.26us-gaap_EarningsPerShareDiluted	$ 2.64us-gaap_EarningsPerShareDiluted	$ 1.94us-gaap_EarningsPerShareDiluted	$ 0.71us-gaap_EarningsPerShareDiluted
Anti-dilutive stock equivalents excluded from computation									2,669	0	5,951

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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