Segment Information - Schedule of Financial Information by Reportable Segments (Detail) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Oct. 01, 2022	Oct. 02, 2021	Oct. 01, 2022	Oct. 02, 2021	Apr. 02, 2022
Segment Reporting Information [Line Items]
Net sales		$ 806,825	$ 524,225	$ 1,532,706	$ 1,034,422
Operating income (loss)		190,191	67,987	347,244	125,494
Other expense (income)		0	11	(634)	(43)
Depreciation		4,166	3,264	7,836	6,521
Amortization		(2,775)	(1,874)	(4,721)	(3,762)
Amortization of intangible assets		2,800	1,900	4,721	3,762
Assets		1,507,618		1,507,618		$ 1,234,619
U.S Factory-Built Housing [Member]
Segment Reporting Information [Line Items]
Net sales		754,237	471,699	1,415,318	929,019
Amortization of intangible assets		2,775	1,874	4,721	3,762
Canadian Factory-Built Housing [Member]
Segment Reporting Information [Line Items]
Net sales		39,198	38,501	84,260	76,332
Operating Segments [Member] | U.S Factory-Built Housing [Member]
Segment Reporting Information [Line Items]
Net sales		754,237	471,699	1,415,318	929,019
Operating income (loss)		199,284	78,075	360,849	141,092
Depreciation		3,505	2,619	6,542	5,229
Capital expenditures		14,778	5,269	23,711	12,527
Assets	[1]	724,859		724,859		695,500
Operating Segments [Member] | Canadian Factory-Built Housing [Member]
Segment Reporting Information [Line Items]
Net sales		39,198	38,501	84,260	76,332
Operating income (loss)		10,141	6,390	21,468	12,056
Depreciation		345	273	626	558
Capital expenditures		1,068	236	1,429	341
Assets	[1]	115,188		115,188		107,459
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Net sales		13,390	14,025	33,128	29,071
Operating income (loss)		(12,293)	(11,351)	(21,882)	(17,328)
Depreciation		316	372	668	734
Capital expenditures		332	379	473	2,237
Assets	[1]	667,571		667,571		431,660
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Net sales		806,825	524,225	1,532,706	1,034,422
Operating income (loss)		190,191	67,987	347,244	125,494
Depreciation		4,166	3,264	7,836	6,521
Capital expenditures		16,178	$ 5,884	25,613	$ 15,105
Assets		$ 1,507,618		$ 1,507,618		$ 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.