Business Segment Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 29, 2018 USD ($)	Dec. 30, 2017 USD ($)	Dec. 29, 2018 USD ($) Segment	Dec. 30, 2017 USD ($)
Business Segment Information
Number of operating segments | Segment			2
Net revenue	$ 233,700	$ 221,383	$ 721,633	$ 628,706
Income before income taxes	16,947	23,669	60,600	47,819
Factory-built housing
Business Segment Information
Net revenue	220,342	207,183	680,198	587,445
Income before income taxes	14,562	18,393	53,050	40,147
Financial services
Business Segment Information
Net revenue	13,358	14,200	41,435	41,261
Income before income taxes	$ 2,385	$ 5,276	$ 7,550	$ 7,672