Business Segment Information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 01, 2016 USD ($)	Sep. 26, 2015 USD ($)	Oct. 01, 2016 USD ($) Segment	Sep. 26, 2015 USD ($)
Business Segment Information
Number of operating segments | Segment			2
Net revenue	$ 188,348	$ 191,964	$ 373,489	$ 353,632
Income before income taxes	13,098	12,490	21,528	21,122
Factory-built housing [Member]
Business Segment Information
Net revenue	175,481	177,455	347,967	325,001
Income before income taxes	10,329	8,967	21,067	16,971
Financial services [Member]
Business Segment Information
Net revenue	12,867	14,509	25,522	28,631
Income before income taxes	$ 2,769	$ 3,523	$ 461	$ 4,151