Segment Information - Schedule of Financial Information by Reportable Segments (Detail) - USD ($) $ in Thousands	12 Months Ended
	Mar. 29, 2025		Mar. 30, 2024		Apr. 01, 2023
Segment Reporting Information [Line Items]
Net sales	$ 2,483,448		$ 2,024,823		$ 2,606,560
Cost of sales	(1,819,425)		(1,539,029)		(1,787,879)
Selling, general, and administrative expenses	(426,991)		(310,589)		(300,396)
Depreciation	30,253		24,136		16,085
Amortization	11,657		10,774		10,641
Equity in net loss of affiliates	2,004		7,023		0
Net income attributable to non-controlling interest	3,227		0		0
Income before income taxes	257,368		200,855		533,896
Expenditure for segment assets	50,532		52,915		52,244
Segment assets	2,110,408	[1]	1,923,341	[2]	1,562,724	[3]
U.S Factory-built Housing [Member]
Segment Reporting Information [Line Items]
Net sales	2,357,916		1,885,507		2,411,342
Cost of sales	(1,716,443)	[4]	(1,425,962)	[5]	(1,641,120)	[6]
Selling, general, and administrative expenses	(311,660)	[7]	(218,923)	[8]	(211,234)	[9]
Depreciation	27,857		22,041		13,624
Amortization	11,657		10,774		10,641
Other items	0	[10]	0	[11]	0	[12]
Segment EBITDA	329,813		240,622		558,988
Expenditure for segment assets	44,824		47,856		47,328
Segment assets	1,275,488	[1]	1,239,338	[2]	708,573	[3]
Canadian Factory-built Housing [Member]
Segment Reporting Information [Line Items]
Net sales	94,172		109,089		144,289
Cost of sales	(68,696)	[4]	(77,176)	[5]	(98,457)	[6]
Selling, general, and administrative expenses	(10,786)	[7]	(10,545)	[8]	(12,895)	[9]
Depreciation	1,780		1,482		1,228
Amortization	0		0		0
Other items	0	[10]	0	[11]	0	[12]
Segment EBITDA	14,690		21,368		32,937
Expenditure for segment assets	2,087		3,553		4,189
Segment assets	140,230	[1]	132,420	[2]	124,673	[3]
Corporate or other [Member]
Segment Reporting Information [Line Items]
Net sales	31,360		30,227		50,929
Cost of sales	(8,475)	[4]	(15,074)	[5]	(34,409)	[6]
Selling, general, and administrative expenses	(88,446)	[7]	(67,028)	[8]	(63,434)	[9]
Depreciation	616		613		1,233
Amortization	0		0		0
Other items	(1,869)	[10]	(9,627)	[11]	634	[12]
Segment EBITDA	(67,430)		(61,502)		(46,280)
Expenditure for segment assets	3,621		1,506		727
Segment assets	694,690	[1]	551,583	[2]	729,478	[3]
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	(41,910)		(34,910)		(26,726)
Interest income, net	16,974		28,254		$ 14,977
Equity in net loss of affiliates	2,004		$ 7,023
Net income attributable to non-controlling interest	$ 3,227

[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] 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.

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

[11] Other items for Corporate/Other include acquisition costs, dividend income, and equity in net loss of affiliates.

[12] Other items for Corporate/Other include transaction costs and other income.