Adjustment of additional paid in capital modification of certain awards from cash settled to equity settled.

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Class of warrant or right outstanding warrants exercisable during period ,shares.

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Class of warrants or rights exercised during period shares.

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Increase decrease in allocated share based compensation expense.

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Share Based Compensation Arrangement by Share Based Payment Award Equity Instruments Other than Options, Conversion to Equity Settled Awards

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No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Options Expirations Period

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Share Based Compensation Arrangement By Share Based Payment Award Stock Appreciation Rights Exercisable Weighted Average Exercise Price

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No definition available.

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- Definition

It represents percentage of outstanding stock option fully vested

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No definition available.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Aggregate carrying value as of the balance sheet date of the liabilities for stock option plans and other equity-based compensation arrangements.

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No definition available.

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- Definition

The cash inflow associated with the amount received from holders exercising their stock warrants.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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- Definition

Per share or unit weighted-average intrinsic value of nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Paragraph 2
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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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- Definition

Gross number of share options (or share units) granted during the period.

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- Definition

Number of options outstanding, including both vested and non-vested options.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of cost expensed and capitalized for award under share-based payment arrangement.

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Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options.

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No definition available.

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- Definition

Expiration date of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in YYYY-MM-DD format.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-SubTopic 10
-Section 50
-Paragraph 2
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Benefit Plans and Stock-Based Compensation - Additional Information (Detail) $ / shares in Units, $ in Thousands, $ in Thousands								12 Months Ended
	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. 25, 2023 USD ($) $ / shares shares	Mar. 25, 2023 CAD ($) shares	Mar. 26, 2022 USD ($) $ / shares shares	Mar. 26, 2022 CAD ($) shares	Mar. 27, 2021 USD ($) $ / shares shares	Jan. 19, 2022 shares	Mar. 26, 2021 shares	Mar. 28, 2020 shares	Mar. 27, 2020 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding								32,000		257,000		395,147				704,818
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								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	202,661	202,661	251,484
Proceeds from warrant exercises								$ 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								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		$ 3.62
Deferred Stock Units Dsu [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense \| $								$ 400		$ 1,500		$ 3,000
Share based compensation arrangement closing stock price \| $ / shares								$ 8.18				$ 8.18
Cash Settled Deferred Share Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units granted								35,584	35,584	61,470	61,470	223,878
Number of shares outstanding								35,584		0		689,012			465,134
Share based compensation arrangement fair value of cash settled based on intrinsic value \| $								$ 400		$ 0		$ 3,100
Equity Settled Deferred Share Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares outstanding										750,482		0
Cash Settled Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense \| $								$ 300		$ 800		$ 300
Units granted								0	0			375,000
Number of shares outstanding								50,000		50,000		375,000			0
Share based compensation arrangement fair value of cash settled based on intrinsic value \| $								$ 500		$ 200		$ 300
Share based compensation arrangement weighted average remaining contractual life								3 months 18 days	3 months 18 days
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 \| $								$ 500		$ 200		$ 0
Number of shares outstanding										325,000		0		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	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
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	0
Omnibus LTIP [Member] \| Cash Settled Deferred Share Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units granted	35,584		61,470	223,878	157,890	86,954
Number of shares outstanding								35,584		0		689,012
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
Omnibus LTIP [Member] \| Equity Settled Deferred Share Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares outstanding								750,482		750,482		0
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								$ 1.14
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 \| $								$ 400		$ 300
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								35,000
Percentage of Outstanding Stock Options Fully Vested								100.00%	100.00%
Share based compensation grants in period gross								0	0	0	0