Business Segment Information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 26, 2020 USD ($)	Sep. 28, 2019 USD ($)	Sep. 26, 2020 USD ($) Segment	Sep. 28, 2019 USD ($)
Business Segment Information
Number of operating segments | Segment			2
Net revenue	$ 257,976	$ 268,675	$ 512,777	$ 532,717
Income before income taxes	19,596	27,255	41,276	54,617
Factory-built housing
Business Segment Information
Net revenue	240,967	252,690	479,057	501,458
Income before income taxes	17,452	22,463	35,902	46,776
Financial services
Business Segment Information
Net revenue	17,009	15,985	33,720	31,259
Income before income taxes	$ 2,144	$ 4,792	$ 5,374	$ 7,841