Segment Information - Schedule of Financial Information by Reportable Segments (Detail) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Sep. 30, 2023	Oct. 01, 2022	Sep. 30, 2023	Oct. 01, 2022	Apr. 01, 2023
Segment Reporting Information [Line Items]
Net sales		$ 464,236	$ 806,825	$ 929,005	$ 1,532,706
Operating income		52,035	190,191	111,269	347,244
Other expense (income)		2,065	0	2,065	(634)
Depreciation		(4,700)	(4,166)	(9,333)	(7,836)
Amortization		(2,086)	(2,775)	(5,045)	(4,721)
Amortization of intangible assets		2,100	2,800	5,000	4,700
Assets		1,669,175		1,669,175		$ 1,562,724
U.S Factory-built Housing [Member]
Segment Reporting Information [Line Items]
Net sales		428,132	754,237	856,917	1,415,318
Amortization of intangible assets		2,086	2,775	5,045	4,721
Canadian Factory-built Housing [Member]
Segment Reporting Information [Line Items]
Net sales		29,256	39,198	55,376	84,260
Corporate/Other [Member]
Segment Reporting Information [Line Items]
Net sales		6,848	13,390	16,712	33,128
Assets	[1]	845,667		845,667		729,478
Operating Segments [Member] | U.S Factory-built Housing [Member]
Segment Reporting Information [Line Items]
Net sales		428,132	754,237	856,917	1,415,318
Operating income		64,752	199,284	138,985	360,849
Depreciation		4,198	3,505	8,326	6,542
Capital expenditures		11,743	14,778	21,421	23,711
Assets	[1]	697,547		697,547		708,573
Operating Segments [Member] | Canadian Factory-built Housing [Member]
Segment Reporting Information [Line Items]
Net sales		29,256	39,198	55,376	84,260
Operating income		5,763	10,141	10,527	21,468
Depreciation		356	345	712	626
Capital expenditures		475	1,068	941	1,429
Assets	[1]	125,961		125,961		124,673
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Operating income		(13,759)	(12,293)	(25,930)	(21,882)
Depreciation		146	316	295	668
Capital expenditures		288	332	485	473
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Net sales		464,236	806,825	929,005	1,532,706
Operating income		52,035	190,191	111,269	347,244
Depreciation		4,700	4,166	9,333	7,836
Capital expenditures		12,506	$ 16,178	22,847	$ 25,613
Assets		$ 1,669,175		$ 1,669,175		$ 1,562,724

[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.