Revenue from Contracts with Customers Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2018	Jul. 01, 2017
Disaggregation of Revenue [Line Items]
Revenues	$ 246,403	$ 206,816
Factory-built housing
Disaggregation of Revenue [Line Items]
Revenues	232,762	192,882
Factory-built housing | HUD Code [Member]
Disaggregation of Revenue [Line Items]
Revenues	186,316
Factory-built housing | Modular
Disaggregation of Revenue [Line Items]
Revenues	22,447
Factory-built housing | Park Model RVs
Disaggregation of Revenue [Line Items]
Revenues	11,727
Factory-built housing | Product and Service, Other
Disaggregation of Revenue [Line Items]
Revenues	12,272
Financial Services
Disaggregation of Revenue [Line Items]
Revenues	13,641	$ 13,934
Financial Services | Insurance Agency Commissions
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	632
Financial Services | Financial Service, Other
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	$ 13,009