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Aggregate dividends declared during the period for each share of common stock outstanding.

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Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

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Amount of discretionary contributions made by an employer to a defined contribution plan.

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Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

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Amount of cost for employer contribution to multiemployer plan. Multiemployer plan includes, but is not limited to, pension plan determined to be individually significant and insignificant and other postretirement benefit plan.

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Amount of the obligation recognized by withdrawing from a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

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Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Note L - Stockholders' Equity, Stock Plans and Other Employee Benefit Plans (Details Textual)												8 Months Ended	9 Months Ended		12 Months Ended				73 Months Ended
	Jun. 10, 2022 $ / shares	Mar. 04, 2022 $ / shares	Dec. 03, 2021 $ / shares	Sep. 03, 2021 $ / shares	Jun. 25, 2021 $ / shares	Mar. 05, 2021 $ / shares	Dec. 04, 2020 $ / shares	Sep. 04, 2020 $ / shares	Jun. 26, 2020 $ / shares	Jun. 01, 2016 USD ($)	Nov. 01, 2012 USD ($) shares	Mar. 05, 2021 USD ($)	Mar. 27, 2022 USD ($) shares	Dec. 26, 2021 shares	Mar. 27, 2022 USD ($) $ / shares shares	Mar. 28, 2021 USD ($) $ / shares shares	Mar. 29, 2020	Dec. 31, 2017 USD ($)	Mar. 27, 2022 USD ($) shares	Dec. 31, 2021 USD ($)	Sep. 18, 2019 shares	Mar. 11, 2016 shares
Common Stock, Dividends, Per Share, Declared (in dollars per share) \| $ / shares		$ 0.45	$ 0.35	$ 0.35	$ 0.35	$ 0.35	$ 0.35	$ 0.35	$ 0.35						$ 1.50	$ 1.40
Payments of Ordinary Dividends, Common Stock												$ 5,761,000	$ 6,173
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) \| shares															10,000	0
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price (in dollars per share) \| $ / shares															$ 68.50
Share-Based Payment Arrangement, Expense, Tax Benefit															$ 20,000	$ 32,000
Share Based Compensation Total Unamortized Compensation Expense													$ 110,000		$ 110,000				$ 110,000
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Month)															20 months
Treasury Stock, Shares, Acquired (in shares) \| shares														0
Treasury Stock, Value, Acquired, Cost Method																1,501,000
Number of Times of Salary and Bonus Lump Sum Cash Payment																	2.99
Defined Contribution Plan, Employer Discretionary Contribution Amount															$ 35,000	$ 36,000
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent																	20.00%
Defined Contribution Plan, Employer Matching Contribution Rate Per Dollar (in dollars per share) \| $ / shares																$ 25
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay																3.00%
Multiemployer Plans, Withdrawal Obligation																				$ 522,000
Multiemployer Plan, Employer Contribution, Cost, Total															6,000	$ 5,000
Executive Chairman of the Board [Member]
Term of Consulting Period Pursuant to the Lorber Employment [Agreement] (Year)																		3 years
Base Salary [Member] \| Executive Chairman of the Board [Member]
Contractual Obligation, Total											$ 600,000
Base Salary [Member] \| Chief Executive Officer [Member]
Defined Contribution Plan, Employer Discretionary Contribution Amount										$ 500,000
Consulting Fee [Member] \| Executive Chairman of the Board [Member]
Contractual Obligation, Total											$ 200,000
Repurchase Program [Member]
Treasury Stock, Shares, Acquired (in shares) \| shares																26,676
Treasury Stock Acquired, Average Cost Per Share (in dollars per share) \| $ / shares																$ 56.26
Treasury Stock, Value, Acquired, Cost Method																$ 1,501
Sixth Stock Repurchase Plan [Member]
Treasury Stock, Shares, Acquired (in shares) \| shares																			1,066,450
Treasury Stock, Value, Acquired, Cost Method															$ 37,108
Stock Repurchase Program, Number of Shares Authorized to be Repurchased (in shares) \| shares																						1,200,000
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased (in shares) \| shares													133,550		133,550				133,550
Special Cash Dividend [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value															$ 21,000	$ 17,000
Share-Based Payment Arrangement, Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)															5 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)															4 years
Share-Based Payment Arrangement, Option [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)															5 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)															3 years
Share-Based Payment Arrangement, Option [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)															10 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)															5 years
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) \| shares															0
Restricted Stock [Member] \| Executive Chairman of the Board [Member]
Contractual Obligation, Total																		$ 1,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) \| shares											50,000
The 2019 Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares) \| shares																					369,584
The 2019 Stock Incentive Plan [Member] \| Shares Expired or Forfeited up to 100000 Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares) \| shares																					11,000
The 2019 Stock Incentive Plan [Member] \| Share-Based Payment Arrangement, Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares) \| shares													198,584		198,584				198,584
The 2019 Stock Incentive Plan [Member] \| Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares) \| shares													181,683		181,683				181,683
The 2010 Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares) \| shares																					208,584
Forecast [Member]
Common Stock, Dividends, Per Share, Declared (in dollars per share) \| $ / shares	$ 0.45