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Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Mar. 29, 2025 | Mar. 30, 2024 | Mar. 25, 2023 | Mar. 26, 2022 | Apr. 16, 2021
Significant Accounting Policies [Line Items] |  |  |  |  |
Amounts receivable from credit card issuers | $ 0.8 | $ 0.9 |  |  |
Accounts receivable periods | 30 days |  |  |  |
Intangible assets | $ 3.0 | 7.9 |  |  |
Accumulated amortization of intangible assets | 2.1 | 1.2 |  |  |
Asset impairment charges | 4.6 | 0.0 | $ 0.0 |  |
Reimbursement of advertising cost | 0.7 | 0.6 | 1.1 |  |
Advertising and marketing expense | $ 4.6 | $ 6.8 | $ 8.1 |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number | 0 |  | 32,000 | 257,000 |
Common Class A [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number | 0.2 | 0.8 | 0.8 |  |
Computer Software, Intangible Asset [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life | 5 years |  |  |  |
RMBG Retail Vancouver ULC [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Equity method investment ownership percentage |  |  |  |  | 49.00%
FWI LLC [Member] | RMBG Retail Vancouver ULC [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Equity method investment ownership percentage |  |  |  |  | 51.00%
Cost of Goods Sold [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Foreign exchange gains (losses) | $ (2.4) | $ (0.2) | $ (1.4) |  |
Interest and Other Financial Costs [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Foreign exchange gains (losses) | $ (1.0) | $ 0.2 | $ 0.5 |  |
Maximum [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Product return, Days | 60 days |  |  |  |
Consumer credit receivable charges | 9.99% |  |  |  |
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 Asset, Useful Life | 15 years |  |  |  |

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