Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2010
Consolidated Statements of Operations [Abstract]
Net sales	$ 443,066	$ 171,827	$ 115,612
Cost of sales	347,121	147,549	104,915
Gross profit	95,945	24,278	10,697
Selling, general and administrative expenses	79,800	21,345	16,718
Income (loss) from operations	16,145	2,933	(6,021)
Interest expense	(7,265)
Other income	1,338	2,028	222
Gain on bargain purchase	22,009
Income (loss) before income taxes	32,227	4,961	(5,799)
Income tax (expense) benefit	(2,499)	(889)	2,006
Net income (loss)	29,728	4,072	(3,793)
Less: net income (loss) attributable to redeemable noncontrolling interest	14,491	1,241	(422)
Net income (loss) attributable to Cavco common stockholders	$ 15,237	$ 2,831	$ (3,371)
Net income (loss) per share attributable to Cavco common stockholders:
Basic	$ 2.22	$ 0.43	$ (0.52)
Diluted	$ 2.19	$ 0.41	$ (0.52)
Weighted average shares outstanding:
Basic	6,877,437	6,637,270	6,516,572
Diluted	6,949,077	6,859,457	6,516,572