Segment Information - Schedule of Financial Information by Reportable Segments (Detail) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Dec. 27, 2025		Dec. 28, 2024		Dec. 27, 2025		Dec. 28, 2024		Mar. 29, 2025
Segment Reporting Information [Line Items]
Net Sales	$ 656,614		$ 644,925		$ 2,042,361		$ 1,889,581
Cost of sales	(484,421)		(463,903)		(1,492,406)		(1,378,011)
Selling, general, and administrative expenses	(109,727)		(108,214)		(334,153)		(316,696)
Depreciation	9,312		7,784		26,975		22,029
Amortization	2,953		2,889		8,850		8,767
Equity in net income (loss) of affiliates	(913)		(568)		(203)		1,466
Net income attributable to non-controlling interest	1,668		1,290		4,869		1,874
Income before income taxes	67,466		78,957		230,513		211,214
Expenditure for segment assets	7,097		13,681		24,914		37,971
Segment assets	2,114,315	[1]	2,037,469	[2]	2,114,315	[1]	2,037,469	[2]	$ 2,110,408
U.S Factory-built Housing [Member]
Segment Reporting Information [Line Items]
Net Sales	622,364		610,757		1,933,351		1,797,417
Cost of sales	(457,549)	[3]	(437,039)	[4]	(1,407,646)	[5]	(1,301,549)	[6]
Selling, general, and administrative expenses	(78,084)	[7]	(76,269)	[8]	(239,956)	[9]	(230,950)	[10]
Depreciation	8,407		7,172		24,819		20,220
Amortization	2,953		2,889		8,850		8,767
Other items	0	[11]	0	[12]	0	[13]	0	[14]
Segment EBITDA	86,731		97,449		285,749		264,918
Expenditure for segment assets	6,706		12,124		23,141		34,116
Segment assets	1,252,251	[1]	1,235,694	[2]	1,252,251	[1]	1,235,694	[2]
Canadian Factory-built Housing [Member]
Segment Reporting Information [Line Items]
Net Sales	25,790		25,692		82,028		68,725
Cost of sales	(18,213)	[3]	(18,482)	[4]	(57,882)	[5]	(50,501)	[6]
Selling, general, and administrative expenses	(2,726)	[7]	(2,637)	[8]	(13,547)	[9]	(7,793)	[10]
Depreciation	749		462		1,678		1,347
Amortization	0		0		0		0
Other items	0	[11]	0	[12]	0	[13]	0	[14]
Segment EBITDA	4,851		4,573		10,599		10,431
Expenditure for segment assets	346		213		839		1,087
Segment assets	152,424	[1]	131,779	[2]	152,424	[1]	131,779	[2]
Corporate or other [Member]
Segment Reporting Information [Line Items]
Net Sales	8,460		8,476		26,982		23,439
Cost of sales	(1,259)	[3]	(1,742)	[4]	(4,909)	[5]	(7,006)	[6]
Selling, general, and administrative expenses	(24,052)	[7]	(25,275)	[8]	(66,794)	[9]	(69,044)	[10]
Depreciation	156		150		478		462
Amortization	0		0		0		0
Other items	466	[11]	1,436	[12]	(2,304)	[13]	2,955	[14]
Segment EBITDA	(16,385)		(17,105)		(47,025)		(49,656)
Expenditure for segment assets	45		1,344		934		2,768
Segment assets	709,640	[1]	669,996	[2]	709,640	[1]	669,996	[2]
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	(12,265)		(10,673)		(35,825)		(30,796)
Interest income, net	3,779		3,991		12,349		12,977
Equity in net income (loss) of affiliates	(913)		(568)		(203)		1,466
Net income attributable to non-controlling interest	$ 1,668		$ 1,290		$ 4,869		$ 1,874

[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.

[2] 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.

[3] Cost of sales is presented net of depreciation expense.

[4] Cost of sales is presented net of depreciation expense.

[5] Cost of sales is presented net of depreciation expense.

[6] Cost of sales is presented net of depreciation expense.

[7] Selling, general, and administrative expenses are presented net of depreciation and amortization expense.

[8] Selling, general, and administrative expenses are presented net of depreciation and amortization expense.

[9] Selling, general, and administrative expenses are presented net of depreciation and amortization expense.

[10] Selling, general, and administrative expenses are presented net of depreciation and amortization expense.

[11] Other items for Corporate/Other include dividend income, equity in net loss of affiliates and non-controlling interest.

[12] Other items for Corporate/Other include dividend income, equity in net loss of affiliate and non-controlling interest.

[13] Other items for Corporate/Other include dividend income, equity in net loss of affiliates, and non-controlling interest.

[14] Other items for Corporate/Other include dividend income, equity in net loss of affiliates, and non-controlling interest.