Basis of Presentation and Business - Additional information (Detail) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Dec. 27, 2025 USD ($) Center	Dec. 28, 2024 USD ($)	Dec. 27, 2025 USD ($) Center Facility	Dec. 28, 2024 USD ($)	Mar. 29, 2025 USD ($)
Significant Accounting Policies [Line Items]
Trade accounts receivable, net	$ 67,086		$ 67,086		$ 84,103
Payments for loans receivable			39,300		38,100
Floor plan receivables on nonaccrual status			0
Interest income from floor plan receivables	700	$ 700	2,200	$ 1,700
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Significant Accounting Policies [Line Items]
Trade accounts receivable, net	$ 2,300		$ 2,300		$ 1,300
U.S [Member]
Significant Accounting Policies [Line Items]
Number of manufacturing facilities | Facility			42
Number of sales centers | Center	83		83
Canada [Member]
Significant Accounting Policies [Line Items]
Number of manufacturing facilities | Facility			4
Kelowna, British Columbia [Member]
Significant Accounting Policies [Line Items]
Incurred plant closure costs			$ 6,500