Revenue from Contracts with Customers (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 02, 2021	Sep. 26, 2020	Oct. 02, 2021	Sep. 26, 2020
Disaggregation of Revenue [Line Items]
Revenues	$ 359,543	$ 257,976	$ 689,965	$ 512,777
Factory-built housing
Disaggregation of Revenue [Line Items]
Revenues	342,094	240,967	654,377	479,057
Factory-built housing | HUD Code
Disaggregation of Revenue [Line Items]
Revenues	285,947	197,723	548,337	387,169
Factory-built housing | Modular
Disaggregation of Revenue [Line Items]
Revenues	31,386	20,483	58,003	41,266
Factory-built housing | Park Model RVs
Disaggregation of Revenue [Line Items]
Revenues	9,728	9,027	19,399	22,749
Factory-built housing | Product and Service, Other
Disaggregation of Revenue [Line Items]
Revenues	15,033	13,734	28,638	27,873
Financial Services
Disaggregation of Revenue [Line Items]
Revenues	17,449	17,009	35,588	33,720
Financial Services | Insurance Agency Commissions
Disaggregation of Revenue [Line Items]
Revenues	850	777	1,723	1,547
Financial Services | Financial Service, Other
Disaggregation of Revenue [Line Items]
Revenues	$ 16,599	$ 16,232	$ 33,865	$ 32,173