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Note 8 - Stock-Based Compensation (Detail) - Compensation Expense and Excess Tax Benefits Associated with Stock Options (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Oct. 02, 2010
Stock options:
Excess tax deficiencies (benefits)		$ (8)	$ 89
Stock Options [Member]
Stock options:
Compensation expense	$ 909	$ 1,203	$ 958

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.

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