Amount of Available Common Shares Reduced by Each Share of Restricted Stock Granted.

No definition available.

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- Definition

Additional shares authorized by the Company's stockholders to increase shares available under the Company's 2010 Stock Incentive Plan.

+ References

No definition available.

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- Definition

Represents number of shares authorized including maximum additional number of outstanding options and restricted stock options under all plans.

+ References

No definition available.

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- Definition

Represents the number of shares authorized including maximum number of shares authorized but not issued under old plan.

+ References

No definition available.

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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

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

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
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- Definition

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

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- Definition

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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- Definition

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

+ References

No definition available.

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- Definition

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

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- Definition

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 N - Stockholders' Equity (Details Textual) - USD ($)					3 Months Ended		9 Months Ended		122 Months Ended	219 Months Ended
	Feb. 07, 2020	Nov. 08, 2019	Aug. 09, 2019	Jun. 14, 2019	Dec. 29, 2019	Dec. 23, 2018	Dec. 29, 2019	Dec. 23, 2018	Dec. 29, 2019	Dec. 29, 2019	Sep. 18, 2019	Mar. 11, 2016	Sep. 13, 2012
Common Stock, Dividends, Per Share, Declared		$ 0.35	$ 0.35	$ 0.35	$ 0.35	$ 0.25	$ 1.05	$ 0.75
Payments of Ordinary Dividends, Common Stock		$ 1,479,000	$ 1,479,000	$ 1,479,000
Increased Number of Shares Available for Issuance Due to Plan Amendment													250,000
Amount of Available Common Shares Reduced by Each Share of Restricted Stock Granted													3.2
Treasury Stock, Shares, Acquired							13,709			5,155,472
Treasury Stock, Value, Acquired, Cost Method					$ 985,000	$ 1,000,000	$ 985,000	$ 1,000,000		$ 79,288,000
Sixth Stock Repurchase Plan [Member]
Treasury Stock, Shares, Acquired									967,841
Treasury Stock, Value, Acquired, Cost Method									$ 31,627,000
Stock Repurchase Program, Number of Shares Authorized to be Repurchased					232,159		232,159		232,159	232,159		1,200,000
The 2019 Stock Incentive Plan [Member] \| July 01, 2020 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized											369,584
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Including Maximum Number of Shares Authorized but Not Issued under Old Plan											208,584
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Including Maximum Aditional Outstanding Options or Restricted Stock Grants											11,000
The 2010 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					208,584		208,584		208,584	208,584
The 2010 Stock Incentive Plan [Member] \| Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant					184,808		184,808		184,808	184,808
Subsequent Event [Member]
Common Stock, Dividends, Per Share, Declared	$ 0.35