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Benefit Plans and Stock-Based Compensation - Additional Information (Detail) $ / shares in Units, $ in Thousands, $ in Thousands |  |  |  |  |  |  |  |  | 12 Months Ended |  |  |  |
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Oct. 01, 2023 shares | Sep. 21, 2022 shares | Dec. 20, 2021 USD ($) shares | Sep. 16, 2021 shares | Sep. 17, 2020 shares | Oct. 07, 2019 shares | Jun. 20, 2019 shares | Nov. 01, 2005 USD ($) | Mar. 30, 2024 USD ($) $ / shares shares | Mar. 25, 2023 USD ($) $ / shares shares | Mar. 25, 2023 CAD ($) shares | Mar. 26, 2022 USD ($) $ / shares shares | Mar. 26, 2022 CAD ($) shares | Mar. 26, 2023 $ / shares | Jan. 19, 2022 shares | Mar. 27, 2021 shares | Mar. 26, 2021 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options outstanding |  |  |  |  |  |  |  |  | 32,000 | 32,000 |  | 257,000 |  |  |  | 395,147 |
Shares reserved for issuance |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,500,000 |  |
Warrants and rights outstanding expire date |  |  |  |  |  |  |  |  | Aug. 20, 2022 |  |  |  |  |  |  |  |
Additional compensation expense | $ |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |
Class of warrants or rights exercised during period shares |  |  |  |  |  |  |  |  | 0 | 90,056 | 90,056 | 48,823 | 48,823 |  |  |  |
Modification of certain awards from cash settled to equity settled | $ |  |  |  |  |  |  |  |  |  |  |  | $ 5,495 |  |  |  |  |
Class A Common Stock Voting Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of warrant or right oustanding warrants exercisable during period, shares |  |  |  |  |  |  |  |  | 0 | 0 | 0 | 202,661 | 202,661 |  |  |  |
Proceeds from warrant exercises |  |  |  |  |  |  |  |  | $ 0 | $ 149,000 | $ 205,000 | $ 163,000 | $ 210,000 |  |  |  |
Common Class A [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of warrants or rights exercised during period shares |  |  |  |  |  |  |  |  | 0 | 90,056 | 90,056 | 48,823 | 48,823 |  |  |  |
Common Stock Voting Shares [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares reserved for issuance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,796,088 |
Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation arrangement closing stock price | $ / shares |  |  |  |  |  |  |  |  |  | $ 8.18 |  | $ 5.12 |  |  |  |  |
Deferred Stock Units Dsu [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Compensation expense | $ |  |  |  |  |  |  |  |  | $ 300 | $ 400 |  | $ 1,500 |  |  |  |  |
Share based compensation arrangement closing stock price | $ / shares |  |  |  |  |  |  |  |  | $ 3.34 |  |  |  |  | $ 8.18 |  |  |
Cash Settled Deferred Share Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Units granted |  |  |  |  |  |  |  |  | 70,000 | 35,584 | 35,584 | 61,470 | 61,470 |  |  |  |
Number of shares outstanding |  |  |  |  |  |  |  |  | 96,688 | 35,584 |  | 0 |  |  |  | 689,012 |
Share based compensation arrangement by share based payment award equity instruments other than options vested in period |  |  |  |  |  |  |  |  | 8,896 |  |  |  |  |  |  |  |
Share based compensation arrangement fair value of cash settled based on intrinsic value | $ |  |  |  |  |  |  |  |  | $ 400 | $ 400 |  | $ 0 |  |  |  |  |
Equity Settled Deferred Share Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares outstanding |  |  |  |  |  |  |  |  | 740,482 | 750,482 |  |  |  |  |  |  |
Share based compensation arrangement by share based payment award equity instruments other than options vested in period |  |  |  |  |  |  |  |  | 10,000 |  |  |  |  |  |  |  |
Cash Settled Restricted Stock Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Compensation expense | $ |  |  |  |  |  |  |  |  | $ (200) | $ 300 |  | $ 800 |  |  |  |  |
Number of shares outstanding |  |  |  |  |  |  |  |  | 0 | 50,000 |  | 50,000 |  |  |  | 375,000 |
Share based compensation arrangement by share based payment award equity instruments other than options vested in period |  |  |  |  |  |  |  |  | 50,000 | 0 | 0 |  |  |  |  |  |
Share based compensation arrangement fair value of cash settled based on intrinsic value | $ |  |  |  |  |  |  |  |  | $ 0 | $ 500 |  | $ 200 |  |  |  |  |
Modification of certain awards from cash settled to equity settled | $ |  |  | $ 900 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation arrangement by share based payment award equity instruments other than options conversion to equity settled awards |  |  | 325,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Settled Restricted Stock Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Compensation expense | $ |  |  |  |  |  |  |  |  | $ 30 | $ 500 |  | $ 200 |  |  |  |  |
Number of shares outstanding |  |  |  |  |  |  |  |  | 0 | 325,000 |  | 325,000 |  |  |  |  |
Share based compensation arrangement by share based payment award equity instruments other than options vested in period |  |  |  |  |  |  |  |  | 325,000 |  |  |  |  |  |  |  |
Omnibus LTIP [Member] | Common Stock Voting Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options outstanding |  |  |  |  |  |  |  |  | 12,000 |  |  |  |  |  |  |  |
Exercise price | $ / shares |  |  |  |  |  |  |  |  | $ 1.43 |  |  |  |  |  |  |  |
Expiration period |  |  |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |
Total compensation cost for recognized expenses | $ |  |  |  |  |  |  |  |  | $ 0 | $ 0 |  | $ 0 |  |  |  |  |
Shares reserved for issuance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000,000 | 1,000,000
Omnibus LTIP [Member] | Stock Appreciation Rights (SARs) [Member] | Common Stock Voting Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation grants in period gross |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |  |  |  |
Omnibus LTIP [Member] | Deferred Stock Units Dsu [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation arrangement by share based payment award equity instruments other than options conversion to equity settled awards |  |  |  |  |  |  |  |  |  | 0 | 0 | 0 | 0 |  |  |  |
Omnibus LTIP [Member] | Cash Settled Deferred Share Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Units granted | 70,000 | 35,584 |  | 61,470 | 223,878 | 157,890 | 86,954 |  |  |  |  |  |  |  |  |  |
Number of shares outstanding |  |  |  |  |  |  |  |  | 96,688 | 35,584 |  | 0 |  |  |  |  |
Share based compensation arrangement by share based payment award equity instruments other than options vested in period |  |  | 750,482 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Modification of certain awards from cash settled to equity settled | $ |  |  | $ 4,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation arrangement by share based payment award equity instruments other than options conversion to equity settled awards |  |  |  |  |  |  |  |  | 8,896 |  |  |  |  |  |  |  |
Omnibus LTIP [Member] | Equity Settled Deferred Share Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares outstanding |  |  |  |  |  |  |  |  | 740,482 | 750,482 |  | 750,482 |  |  |  |  |
Share based compensation arrangement by share based payment award equity instruments other than options conversion to equity settled awards |  |  |  |  |  |  |  |  | 10,000 |  |  |  |  |  |  |  |
Omnibus LTIP [Member] | Cash Settled Restricted Stock Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Units granted |  |  |  |  | 375,000 |  |  |  |  |  |  |  |  |  |  |  |
Long Term Incentive Plan [Member] | Common Stock Voting Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long term incentive plan stock appreciation rights, weighted average exercise price | $ / shares |  |  |  |  |  |  |  |  | $ 1.18 |  |  |  |  |  |  |  |
Options outstanding |  |  |  |  |  |  |  |  | 20,000 |  |  |  |  |  |  |  |
Long Term Incentive Plan [Member] | Stock Appreciation Rights (SARs) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation recognized liability | $ |  |  |  |  |  |  |  |  | $ 100 | $ 400 |  |  |  |  |  |  |
Long Term Incentive Plan [Member] | Stock Appreciation Rights (SARs) [Member] | Common Stock Voting Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options exercisable |  |  |  |  |  |  |  |  | 25,000 |  |  |  |  |  |  |  |
Percentage of Outstanding Stock Options Fully Vested |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |
Share based compensation grants in period gross |  |  |  |  |  |  |  |  | 0 | 0 | 0 |  |  |  |  |  |

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