Segment Information - Schedule of Financial Information by Reportable Segments (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Dec. 30, 2023	Dec. 31, 2022	Dec. 30, 2023	Dec. 31, 2022	Apr. 01, 2023
Segment Reporting Information [Line Items]
Net sales		$ 559,455	$ 582,322	$ 1,488,460	$ 2,115,028
Operating income		56,181	102,269	167,450	449,513
Other expense (income)		756	0	2,821	(634)
Depreciation		(6,862)	(3,824)	(16,195)	(11,660)
Amortization		(2,777)	(2,960)	(7,822)	(7,681)
Amortization of intangible assets		2,800	3,000	7,800	7,700
Assets		1,869,419		1,869,419		$ 1,562,724
U.S Factory-built Housing [Member]
Segment Reporting Information [Line Items]
Net sales		521,124	541,838	1,378,041	1,957,156
Amortization of intangible assets		2,777	2,960	7,822	7,681
Canadian Factory-built Housing [Member]
Segment Reporting Information [Line Items]
Net sales		30,803	31,342	86,179	115,602
Corporate/Other [Member]
Segment Reporting Information [Line Items]
Net sales		7,528	9,142	24,240	42,270
Assets	[1]	555,975		555,975		729,478
Operating Segments [Member] | U.S Factory-built Housing [Member]
Segment Reporting Information [Line Items]
Net sales		521,124	541,838	1,378,041	1,957,156
Operating income		71,862	115,483	210,847	476,332
Depreciation		6,332	3,245	14,658	9,787
Capital expenditures		16,670	11,181	38,091	34,892
Assets	[1]	1,180,081		1,180,081		708,573
Operating Segments [Member] | Canadian Factory-built Housing [Member]
Segment Reporting Information [Line Items]
Net sales		30,803	31,342	86,179	115,602
Operating income		6,473	5,893	17,000	27,361
Depreciation		372	277	1,084	903
Capital expenditures		1,091	1,163	2,032	2,592
Assets	[1]	133,363		133,363		124,673
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Operating income		(13,271)	(12,323)	(39,201)	(34,205)
Depreciation		158	302	453	970
Capital expenditures		378	220	863	693
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Net sales		559,455	582,322	1,488,460	2,115,028
Operating income		56,181	102,269	167,450	449,513
Depreciation		6,862	3,824	16,195	11,660
Capital expenditures		18,139	$ 12,564	40,986	$ 38,177
Assets		$ 1,869,419		$ 1,869,419		$ 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.