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Capital Stock - Summary of Common Stock Outstanding (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 26, 2022 | Mar. 27, 2021
Class of Stock [Line Items] |  |
Beginning Balance, Shares | 18,328,943 | 17,970,881
Exercise of stock options and warrants, Shares | 184,470 | 358,062
Ending Balance, Shares | 18,513,413 | 18,328,943
Balance as of beginning balance | $ 95,116 | $ 93,368
Exercise of stock options and warrants | 522 | 1,748
Balance as of ending balance | $ 95,638 | $ 95,116
Class A Common Stock [Member] |  |
Class of Stock [Line Items] |  |
Beginning Balance, Shares | 10,610,973 | 10,252,911
Exercise of stock options and warrants, Shares | 184,470 | 358,062
Ending Balance, Shares | 10,795,443 | 10,610,973
Balance as of beginning balance | $ 37,361 | $ 35,613
Exercise of stock options and warrants | 522 | 1,748
Balance as of ending balance | $ 37,883 | $ 37,361
Class B Common Stock [Member] |  |
Class of Stock [Line Items] |  |
Beginning Balance, Shares | 7,717,970 | 7,717,970
Exercise of stock options and warrants, Shares | 0 | 0
Ending Balance, Shares | 7,717,970 | 7,717,970
Balance as of beginning balance | $ 57,755 | $ 57,755
Exercise of stock options and warrants | 0 | 0
Balance as of ending balance | $ 57,755 | $ 57,755

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