Note 10 - Employee Benefit Plans (Details) - Plan Asset Mix	12 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Oct. 01, 2011
Large Cap Equities [Member]
Note 10 - Employee Benefit Plans (Details) - Plan Asset Mix [Line Items]
Target Allocation	35.00%
Percentage of Plan Assets	37.70%	39.30%	38.60%
Mid Cap Equities [Member]
Note 10 - Employee Benefit Plans (Details) - Plan Asset Mix [Line Items]
Target Allocation	8.00%
Percentage of Plan Assets	8.10%	8.90%	9.10%
Small Cap Equities [Member]
Note 10 - Employee Benefit Plans (Details) - Plan Asset Mix [Line Items]
Target Allocation	9.00%
Percentage of Plan Assets	8.50%	5.60%	6.10%
International Equities [Member]
Note 10 - Employee Benefit Plans (Details) - Plan Asset Mix [Line Items]
Target Allocation	8.00%
Percentage of Plan Assets	7.50%	5.90%	6.00%
Fixed Income Funds [Member]
Note 10 - Employee Benefit Plans (Details) - Plan Asset Mix [Line Items]
Target Allocation	40.00%
Percentage of Plan Assets	36.10%	37.20%	39.30%
Cash and Cash Equivalents [Member]
Note 10 - Employee Benefit Plans (Details) - Plan Asset Mix [Line Items]
Target Allocation	0.00%
Percentage of Plan Assets	2.10%	3.10%	0.90%