Note L - Stock Options (Detail) - Nonqualified Stock Options by Exercise Price Range (Nonqualified Stock Options [Member], USD $)	12 Months Ended
Sep. 29, 2012 $20.43 to $29.79 [Member]	Sep. 29, 2012 $31.10 to $41.75 [Member]	Sep. 29, 2012 $47.59 to $57.99 [Member]	Sep. 29, 2012	Sep. 24, 2011	Sep. 25, 2010	Sep. 26, 2009
Options outstanding, number (in Shares)	40,000	80,000	91,247	211,247	227,315	244,000	306,354
Options outstanding, weighted average remaining contractual life	2 years 219 days	5 years 255 days	6 years 219 days
Options outstanding, weighted average exercise price	$ 25.10	$ 35.46	$ 53.67	$ 41.36	$ 32.17	$ 23.38	$ 19.55
Options exercisable. number (in Shares)	40,000	60,000		100,000
Options exercisable, weighted average exercise price	$ 25.10	$ 33.36
Range of exercise prices, lower range limit	$ 20.43	$ 31.10	$ 47.59
Range of exercise prices, upper range limit	$ 29.78	$ 41.75	$ 57.99

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.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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

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

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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.

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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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