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Segmented Information - Schedule of Reconciliations of Segments Gross Profits and Certain Unallocated Costs to Consolidated Gross Profits (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 30, 2024 | Mar. 25, 2023 | Mar. 26, 2022
Segment Reporting [Abstract] |  |  |
Unadjusted gross profit | $ 77,017 | $ 71,924 | $ 79,022
Inventory provisions | (1,207) | (849) | (383)
Other unallocated costs | (2,278) | (3,153) | (2,445)
Adjustment of intercompany profit | 23 | 38 | 26
Gross profit | $ 73,555 | $ 67,960 | $ 76,220

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