Revenue Recognition - Summary of Corporate Net Sales (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jun. 27, 2020	Jun. 29, 2019
Disaggregation of Revenue [Line Items]
Consolidated Net Sales	$ 273,285	$ 371,888
Manufacturing and Retail [Member]
Disaggregation of Revenue [Line Items]
Consolidated Net Sales	264,054	355,305
Transportation [Member]
Disaggregation of Revenue [Line Items]
Consolidated Net Sales	9,231	16,583
U.S Factory-built Housing [Member]
Disaggregation of Revenue [Line Items]
Consolidated Net Sales	248,859	331,605
U.S Factory-built Housing [Member] | Manufacturing and Retail [Member]
Disaggregation of Revenue [Line Items]
Consolidated Net Sales	248,859	331,605
Canadian Factory-built Housing [Member]
Disaggregation of Revenue [Line Items]
Consolidated Net Sales	15,195	23,700
Canadian Factory-built Housing [Member] | Manufacturing and Retail [Member]
Disaggregation of Revenue [Line Items]
Consolidated Net Sales	15,195	23,700
Corporate Other [Member]
Disaggregation of Revenue [Line Items]
Consolidated Net Sales	9,231	16,583
Corporate Other [Member] | Transportation [Member]
Disaggregation of Revenue [Line Items]
Consolidated Net Sales	$ 9,231	$ 16,583