Note 6 - Employee Benefit Plans (Details) - Net Periodic Pension Costs and Related Components (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 28, 2013	Dec. 29, 2012
Pension Plan, Defined Benefit [Member]
Note 6 - Employee Benefit Plans (Details) - Net Periodic Pension Costs and Related Components [Line Items]
Interest cost	$ 34	$ 32
Expected return on plan assets	(41)	(36)
Recognized Net Actuarial Loss	11	14
Net periodic pension cost	4	10
Supplemental Employee Retirement Plan, Defined Benefit [Member]
Note 6 - Employee Benefit Plans (Details) - Net Periodic Pension Costs and Related Components [Line Items]
Interest cost	79	72
Amortization of prior service cost		57
Recognized Net Actuarial Loss	13	34
Net periodic pension cost	147	223
Service cost	$ 55	$ 60