Note 10 - Employee Benefit Plans (Details) (USD $)	12 Months Ended				36 Months Ended	156 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Oct. 01, 2011	Oct. 01, 2011	Sep. 28, 2013	Sep. 28, 2013
Note 10 - Employee Benefit Plans (Details) [Line Items]
Restructuring Charges		$ 832,000	$ 8,318,000	$ 8,318,000
Pension Contributions	307,000	206,000	477,000
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year	247,000
Defined Benefit Plans, General Information		$95,000	$704,000			Under the SERPs, if the Participant remains in continuous service with the Company for a period of at least 30years, the Company will pay to the Participant a supplemental retirement benefit for the 15-year period following the Participant's retirement equal to 50% of the Participant's highest average annual base salary for five consecutive years in the 10-year period preceding the Participant's retirement. If the Participant retires prior to the later of age 65 or the completion of 30years of continuous service with the Company, but has completed at least 10 years of continuous service with the Company, the amount of the supplemental retirement benefit will be reduced by 1/360th for each month short of 30years that the Participant was employed by the Company
Postemployment Benefits, Period Expense	15,000	15,000	14,000
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent					75.00%
Defined Contribution Plan, Employer Matching Contribution, Percent Descriptions					the Company matched employee contributions up to 100% of the first 1% and 50% of the next 5% of eligible compensation that was contributed by employees
Defined Contribution Plan, Employer Discretionary Contribution Amount	758,000	734,000	604,000
2014 Estimate [Member] | Pension Plan, Defined Benefit [Member]
Note 10 - Employee Benefit Plans (Details) [Line Items]
Defined Benefit Plan, Future Amortization of Gain (Loss)	40,000
2014 Estimate [Member] | Supplemental Employee Retirement Plan, Defined Benefit [Member]
Note 10 - Employee Benefit Plans (Details) [Line Items]
Defined Benefit Plan, Future Amortization of Gain (Loss)	60,000
Cash Payment [Member]
Note 10 - Employee Benefit Plans (Details) [Line Items]
Description of Postemployment Benefits	$28,000	$62,000	$74,000
VEBA [Member]
Note 10 - Employee Benefit Plans (Details) [Line Items]
Defined Contribution Plan, Employer Discretionary Contribution Amount	3,600,000	3,400,000	3,300,000
Plan Amendment [Member]
Note 10 - Employee Benefit Plans (Details) [Line Items]
Restructuring Charges			$ 306,000
VEBA [Member]
Note 10 - Employee Benefit Plans (Details) [Line Items]
Defined Benefit Plans, General Information	$175,000
Equity Funds [Member]
Note 10 - Employee Benefit Plans (Details) [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations	60.00%
Fixed Income Funds [Member]
Note 10 - Employee Benefit Plans (Details) [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations	40.00%