Note C - Investment Securities (Details) - Investments Classified by Contractual Maturity Date (USD $) In Thousands, unless otherwise specified	Sep. 28, 2013	Sep. 29, 2012
Investments Classified by Contractual Maturity Date [Abstract]
Due in one year or less	$ 256	$ 1,214
Due in one year or less	256	1,214
Due after five years through ten years	2,000	24,998
Due after five years through ten years	1,950	25,124
Total held to maturity securities	2,256	26,212
Total held to maturity securities	2,206	26,338
Less current portion	256	1,214
Less current portion	256	1,214
Long term held to maturity securities	2,000	24,998
Long term held to maturity securities	$ 1,950	$ 25,124

Fair value of current held-to-maturity securities.

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Fair value of noncurrent held-to-maturity securities.

+ References

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Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

+ References

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Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity, expected to be converted to cash, sold or exchanged within one year or the normal operating cycle.

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Amount of held-to-maturity debt securities at fair value maturing in the sixth fiscal year through the tenth fiscal year following the latest fiscal year.

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Carrying amount of debt securities accounted for as held-to-maturity, net of adjustments including, but not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized, and fair value hedge accounting adjustments, maturing in the fifth through tenth fiscal year following the latest fiscal year.

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Amount of held-to-maturity debt securities at fair value maturing in the next fiscal year following the latest fiscal year.

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Fair value of investments in debt securities classified as held-to-maturity.

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Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity, not expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer.

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