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Long-term debt - Summary of Long Term Debt (Detail) - USD ($) $ in Thousands | Mar. 25, 2023 | Mar. 26, 2022
--- | --- | ---
Debt Instrument [Line Items] |  |
Obligations under finance leases | $ 175 |
Long-term debt and Capital lease obligations | 24,313 | $ 23,500
Long-term debt: |  |
Current portion of long-term debt | 2,133 | 2,129
Long-term debt | $ 22,180 | $ 21,371
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] | Obligations under finance leases | Obligations under finance leases
Term Loan From Investment Of Quebec Annual Interest Rate Three Point One Four Percent [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 6,825 | $ 8,816
Term loan From Business Development Bank of Canada [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt | 303 | 374
Investissement Qubec One [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt | 2,690 | 0
Secured Debt [Member] | Furniture And Equipment [Member] |  |
Debt Instrument [Line Items] |  |
Obligations under finance leases | 175 | 249
Cash Contribution one [Member] | Montel [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt | 2,064 | 1,875
Term Loan Facility Repayable At October Two Thousand Twenty Two [Member] | Term Loan From SLR Credit Solutions CDOR Plus Eight Point Two Five Percent [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 12,253 | $ 12,186

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