Note P - Sale-Leaseback Transaction (Details Textual) - Sales Leaseback of Knoxville Property [Member] $ in Millions	Dec. 28, 2023 USD ($) a ft²
Area of Land (Acre) \| a	25
Area of Real Estate Property (Square Foot) \| ft²	164,000
Sale Leaseback Transaction, Net Book Value	$ 6.5
Sale Leaseback Transaction, Current Period Gain Recognized	$ 5.4
Sale Leaseback Transaction, Lease Term (Year)	6 years

Area of land held.

No definition available.

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- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

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- Definition

The portion of the deferred gain that was recognized in the current period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 840
-SubTopic 40
-Name Accounting Standards Codification
-Section 35
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481317/840-40-35-1

+ Details

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- Definition

Lease term for sale and leaseback transaction, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479741/842-40-50-2

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- Definition

The net book value of the asset(s) sold in connection with the sale of the property to another party and lease back to the seller.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 840
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
-Paragraph 50
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481266/840-40-55-50

Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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-Name Accounting Standards Codification
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-URI https://asc.fasb.org/1943274/2147481266/840-40-55-52

Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 840
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-Name Accounting Standards Codification
-Section 55
-Paragraph 51
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Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479741/842-40-50-2

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