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Note J - Stock-based Compensation - Stock Options by Exercise Price Range (Details)	12 Months Ended
	Sep. 27, 2025 $ / shares shares
Incentive Stock Options [Member]
Options outstanding (in shares) | shares	119,621
Options outstanding, weighted average exercise price (in dollars per share)	$ 119,621
Options exercisable, weighted average exercise price (in dollars per share)	$ 146.1
Non-qualified Stock Options [Member]
Options outstanding (in shares) | shares	118,656
Options exercisable (in shares) | shares	118,656
Options exercisable, weighted average exercise price (in dollars per share)	$ 149.64
Exercise Price Range 1 [Member] | Incentive Stock Options [Member]
Lower limit (in dollars per share)	132.38
Upper limit (in dollars per share)	$ 165.56
Options outstanding (in shares) | shares	119,621
Options outstanding, contractual life (Year)	1 year 3 months 18 days
Options outstanding, weighted average exercise price (in dollars per share)	$ 146.1
Options exercisable (in shares) | shares	119,621
Options exercisable, contractual life (Year)	1 year 3 months 18 days
Options exercisable, weighted average exercise price (in dollars per share)	$ 146.1
Exercise Price Range 1 [Member] | Non-qualified Stock Options [Member]
Lower limit (in dollars per share)	119.44
Upper limit (in dollars per share)	$ 132.38
Options outstanding (in shares) | shares	48,030
Options outstanding, contractual life (Year)	1 year 6 months
Options outstanding, weighted average exercise price (in dollars per share)	$ 126.54
Options exercisable (in shares) | shares	48,030
Options exercisable, contractual life (Year)	1 year 6 months
Options exercisable, weighted average exercise price (in dollars per share)	$ 126.54
Exercise Price Range 2 [Member] | Non-qualified Stock Options [Member]
Lower limit (in dollars per share)	150.89
Upper limit (in dollars per share)	$ 191.4
Options outstanding (in shares) | shares	70,626
Options outstanding, contractual life (Year)	3 months 18 days
Options outstanding, weighted average exercise price (in dollars per share)	$ 165.35
Options exercisable (in shares) | shares	70,626
Options exercisable, contractual life (Year)	3 months 18 days
Options exercisable, weighted average exercise price (in dollars per share)	$ 165.35

X

- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
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-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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X

- Definition

The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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-Name Accounting Standards Codification
-Section 50
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-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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X

- Definition

Weighted average remaining contractual term of exercisable stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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-SubTopic 10
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-Name Accounting Standards Codification
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- Definition

The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

+ References

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Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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