Business Segment Information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 26, 2015 USD ($)	Sep. 27, 2014 USD ($)	Sep. 26, 2015 USD ($) Segment	Sep. 27, 2014 USD ($)
Business Segment Information
Number of operating segments | Segment			2
Net revenue	$ 191,964	$ 139,315	$ 353,632	$ 278,479
Income before income taxes	12,490	8,700	21,122	17,642
Factory-built housing [Member]
Business Segment Information
Net revenue	177,455	126,378	325,001	252,643
Income before income taxes	8,967	5,690	16,971	13,308
Financial services [Member]
Business Segment Information
Net revenue	14,509	12,937	28,631	25,836
Income before income taxes	$ 3,523	$ 3,010	$ 4,151	$ 4,334