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Note 8 - Stock-Based Compensation (Detail) - Compensation Expense for Restricted Stock Activity (Restricted Stock Units (RSUs) [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 29, 2012	Oct. 01, 2011
Restricted Stock Units (RSUs) [Member]
Amortization expense	$ 166	$ 470

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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