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Note L - Stock Options (Details) - Incentive Stock Options by Excercise Price Range - Incentive Stock Options [Member] - $ / shares	12 Months Ended
	Sep. 26, 2015	Sep. 27, 2014	Sep. 28, 2013	Sep. 24, 2011
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding (in Shares)	332,352	295,645	259,852	355,680
Options Outstanding - Weighted Average Exercise Price	$ 77.04	$ 60.83	$ 51.17	$ 47.16
Options Exercisable (in Shares)	140,263
Exercise Price Range 1 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range Low	$ 44.16
Exercise Price Range High	$ 57.99
Options Outstanding (in Shares)	141,363
Options Outstanding - Weighted Average Remaining Contractual Life	1 year 6 months
Options Outstanding - Weighted Average Exercise Price	$ 55.35
Options Exercisable (in Shares)	140,263
Options Exercisable - Weighted Average Exercise Price	$ 55.34
Exercise Price Range 2 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range Low	79.45
Exercise Price Range High	$ 117.65
Options Outstanding (in Shares)	190,989
Options Outstanding - Weighted Average Remaining Contractual Life	3 years 328 days
Options Outstanding - Weighted Average Exercise Price	$ 93.10

X

- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

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-Publisher FASB



-Name Accounting Standards Codification



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-SubTopic 10



-Section 50



-Paragraph 2



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Number of options outstanding, including both vested and non-vested options.

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-Publisher FASB



-Name Accounting Standards Codification



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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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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

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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.

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

+ 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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