Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016
Income Statement [Abstract]
Net revenue	$ 200,507	$ 188,348	$ 407,323	$ 373,489
Cost of sales	165,953	149,241	330,803	301,130
Gross profit	34,554	39,107	76,520	72,359
Selling, general and administrative expenses	26,153	25,429	52,458	50,116
Income from operations	8,401	13,678	24,062	22,243
Interest expense	(1,021)	(1,132)	(2,069)	(2,293)
Other income, net	1,119	552	2,157	1,578
Income before income taxes	8,499	13,098	24,150	21,528
Income tax expense	(2,317)	(3,757)	(6,215)	(6,744)
Net income	6,182	9,341	17,935	14,784
Net income attributable to Cavco common stockholders	6,182	9,341	17,935	14,784
Comprehensive income:
Net income	6,182	9,341	17,935	14,784
Unrealized gain on available-for-sale securities, net of tax	1,159	879	604	824
Comprehensive income	$ 7,341	$ 10,220	$ 18,539	$ 15,608
Net income per share attributable to Cavco common stockholders:
Basic (usd per share)	$ 0.69	$ 1.04	$ 1.99	$ 1.65
Diluted (usd per share)	$ 0.67	$ 1.03	$ 1.96	$ 1.63
Weighted average shares outstanding:
Basic (in shares)	9,020,834	8,980,303	9,013,917	8,958,784
Diluted (in shares)	9,181,899	9,100,833	9,171,515	9,092,653