Note 8 - Stock-Based Compensation (Details) - Compensation Expense and Excess Tax Benefits Associated with Stock Options (USD $) In Thousands, unless otherwise specified	12 Months Ended
Sep. 28, 2013	Sep. 29, 2012	Oct. 01, 2011
Stock options:
Compensation expense	$ 1,210	$ 1,299	$ 1,548
Excess tax benefits	(660)		(8)
Employee Stock Option [Member]
Stock options:
Compensation expense	$ 951	$ 909	$ 1,203

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

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-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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