Segment Information - Schedule of Financial Information by Reportable Segments (Detail) - USD ($) $ in Thousands		12 Months Ended
		Apr. 01, 2023	Apr. 02, 2022	Apr. 03, 2021
Segment Reporting Information [Line Items]
Net sales		$ 2,606,560	$ 2,207,229	$ 1,420,881
Operating income		518,285	332,905	108,759
Other income		(634)	(36)	(5,889)
Depreciation		(16,085)	(13,384)	(12,087)
Amortization		(10,641)	(7,552)	(5,617)
Amortization of intangible assets		10,600	7,600	5,600
Assets		1,562,724	1,234,619
U.S Factory-built Housing [Member]
Segment Reporting Information [Line Items]
Net sales		2,411,342	1,991,066	1,266,308
Amortization of intangible assets		10,641	7,552	5,617
Canadian Factory-built Housing [Member]
Segment Reporting Information [Line Items]
Net sales		144,289	159,124	101,328
Operating Segments [Member] | U.S Factory-built Housing [Member]
Segment Reporting Information [Line Items]
Net sales		2,411,342	1,991,066	1,266,308
Operating income		558,988	360,978	142,699
Depreciation		13,624	10,823	9,620
Capital expenditures		47,328	29,133	6,261
Assets	[1]	708,573	695,500
Operating Segments [Member] | Canadian Factory-built Housing [Member]
Segment Reporting Information [Line Items]
Net sales		144,289	159,124	101,328
Operating income		32,937	31,692	19,564
Depreciation		1,228	1,111	860
Capital expenditures		4,189	1,419	1,034
Assets	[1]	124,673	107,459
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Net sales		50,929	57,039	53,245
Operating income		(46,280)	(38,793)	(29,911)
Depreciation		1,233	1,450	1,607
Capital expenditures		727	1,427	721
Assets	[1]	729,478	431,660
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Net sales		2,606,560	2,207,229	1,420,881
Operating income		518,285	332,905	108,759
Depreciation		16,085	13,384	12,087
Capital expenditures		52,244	31,979	$ 8,016
Assets		$ 1,562,724	$ 1,234,619

[1] Deferred tax assets for the Canadian operations are reflected in the Canadian Factory-built Housing segment. U.S. deferred tax assets are presented in Corporate/Other because an allocation between segments is not practicable.