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Related Party Transactions - Schedule of Future Principal Repayments (Detail) - USD ($) $ in Thousands | Dec. 25, 2020 | Mar. 27, 2020
--- | --- | ---
Related Party Transaction [Line Items] |  |
Long-term debt, maturity, year one | $ 0 |
Long-term debt, maturity, year two | 0 |
Long-term debt, maturity, year three | 0 |
Long-term debt, maturity, year four | 0 |
Total | $ 25,000 | $ 43,000
Related Party [Member] |  |
Related Party Transaction [Line Items] |  |
Long-term debt, maturity, year one |  | 25,000
Long-term debt, maturity, year two |  | 5,000
Long-term debt, maturity, year three |  | 3,000
Long-term debt, maturity, year four |  | 0
Long-term debt, maturity, year five |  | 9,700
Total |  | $ 42,700

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