Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data	3 Months Ended		6 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Consolidated Statements of Operations [Abstract]
Net sales	$ 130,008	$ 45,888	$ 228,989	$ 93,393
Cost of sales	101,780	38,709	184,601	79,773
Gross profit	28,228	7,179	44,388	13,620
Selling, general and administrative expenses	21,588	5,489	38,578	10,725
Income from operations	6,640	1,690	5,810	2,895
Interest expense	(1,916)		(3,377)
Other income	255	266	615	446
Gain on bargain purchase			22,009
Income before income taxes	4,979	1,956	25,057	3,341
Income tax expense	(1,807)	(757)	(1,197)	(1,292)
Net income	3,172	1,199	23,860	2,049
Less: net income attributable to noncontrolling interest	1,487	519	11,953	851
Net income attributable to Cavco common stockholders	$ 1,685	$ 680	$ 11,907	$ 1,198
Net income per share attributable to Cavco common stockholders:
Basic	$ 0.24	$ 0.10	$ 1.73	$ 0.18
Diluted	$ 0.24	$ 0.10	$ 1.72	$ 0.18
Weighted average shares outstanding:
Basic	6,890,122	6,541,951	6,864,427	6,541,846
Diluted	6,937,807	6,747,116	6,921,458	6,763,020