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Note 11 - Employee Benefit Plans (Detail) - Delaware Plan Valuation Assumptions (Delaware Plan [Member])	12 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Oct. 02, 2010
Delaware Plan [Member]
Discount rate	4.00%	4.75%	5.25%
Expected long-term rate of return on assets	8.00%	8.00%	8.00%

An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

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