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

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

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Note P - Stockholders' Equity (Details Textual) - USD ($)								3 Months Ended		9 Months Ended		69 Months Ended	243 Months Ended
	Feb. 04, 2022	Dec. 03, 2021	Nov. 05, 2021	Sep. 03, 2021	Aug. 06, 2021	Jun. 25, 2021	Jun. 11, 2021	Dec. 26, 2021	Dec. 27, 2020	Dec. 26, 2021	Dec. 27, 2020	Dec. 26, 2021	Dec. 26, 2021	Sep. 18, 2019	Mar. 11, 2016
Common Stock, Dividends, Per Share, Declared (in dollars per share)			$ 0.35		$ 0.35		$ 0.35	$ 0.35	$ 0.35	$ 1.05	$ 1.05
Payments of Ordinary Dividends, Common Stock		$ 1,440,000		$ 1,440,000		$ 1,440,000
Treasury Stock, Shares, Acquired (in shares)										0			5,254,081
Treasury Stock, Value, Acquired, Cost Method											$ 1,501		$ 84,770,000
Sixth Stock Repurchase Plan [Member]
Treasury Stock, Shares, Acquired (in shares)												1,066,450
Treasury Stock, Value, Acquired, Cost Method												$ 37,108,000
Stock Repurchase Program, Number of Shares Authorized to be Repurchased (in shares)															1,200,000
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased (in shares)								133,550		133,550		133,550	133,550
Repurchase Program [Member]
Treasury Stock, Shares, Acquired (in shares)										26,676
Treasury Stock, Value, Acquired, Cost Method										$ 1,501,000
Treasury Stock Acquired, Average Cost Per Share (in dollars per share)										$ 56.26
The 2019 Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in 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)														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)								198,584		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)								181,683		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)														208,584
Subsequent Event [Member]
Common Stock, Dividends, Per Share, Declared (in dollars per share)	$ 0.45