Revenue from Contracts with Customers (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 01, 2022	Dec. 26, 2020	Jan. 01, 2022	Dec. 26, 2020
Disaggregation of Revenue [Line Items]
Revenues	$ 431,714	$ 288,772	$ 1,121,679	$ 801,549
Factory-built housing
Disaggregation of Revenue [Line Items]
Revenues	413,590	270,822	1,067,967	749,879
Factory-built housing | U.S. Housing and Urban Development code homes
Disaggregation of Revenue [Line Items]
Revenues	357,453	222,684	905,790	609,853
Factory-built housing | Modular homes
Disaggregation of Revenue [Line Items]
Revenues	30,451	26,059	88,454	67,325
Factory-built housing | Park Model RVs
Disaggregation of Revenue [Line Items]
Revenues	10,709	8,296	30,108	31,045
Factory-built housing | Factory-built housing, Other
Disaggregation of Revenue [Line Items]
Revenues	14,977	13,783	43,615	41,656
Financial Services
Disaggregation of Revenue [Line Items]
Revenues	18,124	17,950	53,712	51,670
Financial Services | Insurance Agency Commissions
Disaggregation of Revenue [Line Items]
Revenues	1,304	840	3,027	2,387
Financial Services | Financial services, All other sources
Disaggregation of Revenue [Line Items]
Revenues	$ 16,820	$ 17,110	$ 50,685	$ 49,283