Segment Information - Schedule of Financial Information by Reportable Segments (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Mar. 28, 2020
Segment Reporting Information [Line Items]
Net sales	$ 273,285	$ 371,888
Operating income (loss)	13,196	24,320
Depreciation	2,921	3,110
Amortization	(1,361)	(1,362)
Amortization of intangible assets	1,361	1,362
Assets	790,322		$ 781,700
U.S Factory-built Housing [Member]
Segment Reporting Information [Line Items]
Net sales	248,859	331,605
Canadian Factory-built Housing [Member]
Segment Reporting Information [Line Items]
Net sales	15,195	23,700
Operating Segments [Member] | U.S Factory-built Housing [Member]
Segment Reporting Information [Line Items]
Net sales	248,859	331,605
Operating income (loss)	23,793	36,145
Depreciation	2,398	2,638
Amortization of intangible assets	1,361	1,362
Capital expenditures	885	3,358
Assets	476,497		491,110
Operating Segments [Member] | Canadian Factory-built Housing [Member]
Segment Reporting Information [Line Items]
Net sales	15,195	23,700
Operating income (loss)	1,292	3,055
Depreciation	115	242
Capital expenditures	157	111
Assets	61,228		56,760
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Net sales	9,231	16,583
Operating income (loss)	(7,607)	(10,408)
Depreciation	408	230
Capital expenditures	269	1,057
Assets	252,597		233,830
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Net sales	273,285	371,888
Operating income (loss)	13,196	24,320
Depreciation	2,921	3,110
Amortization of intangible assets	1,361	1,362
Capital expenditures	1,311	$ 4,526
Assets	$ 790,322		$ 781,700