Business Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 28, 2013	Sep. 30, 2012	Sep. 28, 2013 Segment	Sep. 30, 2012
Business Segment Information
Number of operating segments			2
Net revenue	$ 129,826	$ 110,084	$ 263,813	$ 228,865
Income before income taxes	6,729	4,407	12,768	7,199
Factory-built housing [Member]
Business Segment Information
Net revenue	117,803	98,903	240,055	207,350
Income before income taxes	7,077	3,504	14,081	6,971
Financial services [Member]
Business Segment Information
Net revenue	12,023	11,181	23,758	21,515
Income before income taxes	3,008	2,969	4,995	3,994
General corporate [Member]
Business Segment Information
Income before income taxes	$ (3,356)	$ (2,066)	$ (6,308)	$ (3,766)