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Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Thousands			12 Months Ended
	Mar. 26, 2023	Apr. 16, 2021	Mar. 25, 2023	Mar. 26, 2022	Mar. 27, 2021	Mar. 27, 2021
Significant Accounting Policies [Line Items]
Amounts receivable from credit card issuers			$ 1,300	$ 2,000
Accounts receivable periods			30 days
Intangible assets			$ 7,000	6,000
Accumulated amortization of intangible assets			1,000	1,000
Asset impairment charges			0	0	$ 0
Reimbursement of advertising cost			1,100	1,000		$ 700
Advertising and marketing expense			8,100	8,800		6,500
Accounts receivable, related parties			$ 1,815	1,543	$ 0	$ 0
Computer Software, Intangible Asset [Member]
Significant Accounting Policies [Line Items]
Finite lived intangible assets useful lives			5 years
RMBG Retail Vancouver ULC [Member]
Significant Accounting Policies [Line Items]
Equity Method Investment, Ownership Percentage		49.00%
Accounts receivable, related parties			$ 1,800	$ 1,500
Contribution towards assets of the joint venture		$ 1,600
RMBG Retail Vancouver ULC [Member] | Subsequent Event [Member]
Significant Accounting Policies [Line Items]
Accounts Receivable has been repaid	$ 1,300
FWI LLC [Member] | RMBG Retail Vancouver ULC [Member]
Significant Accounting Policies [Line Items]
Equity Method Investment, Ownership Percentage		51.00%
Equity Option [Member]
Significant Accounting Policies [Line Items]
Outstanding
Warrant [Member]
Significant Accounting Policies [Line Items]
Outstanding				10,932	10,932
Cost of Goods Sold [Member]
Significant Accounting Policies [Line Items]
Foreign exchange gains (losses)			$ (1,400)	$ (200)	$ 1,600
Interest and Other Financial Costs [Member]
Significant Accounting Policies [Line Items]
Foreign exchange gains (losses)			$ (500)	$ 100	$ 1,300
Maximum [Member]
Significant Accounting Policies [Line Items]
Product return, Days			90 days
Consumer credit receivable charges			9.99%
Maximum [Member] | Trademarks and Trade Names [Member]
Significant Accounting Policies [Line Items]
Finite lived intangible assets useful lives			20 years
Minimum [Member]
Significant Accounting Policies [Line Items]
Product return, Days			10 days
Consumer credit receivable charges			0.00%
Minimum [Member] | Trademarks and Trade Names [Member]
Significant Accounting Policies [Line Items]
Finite lived intangible assets useful lives			15 years

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For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Total amount received by an entity from a vendor under a cooperative advertising arrangement that has been offset against advertising expense.

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