Note 7 - Employee Benefit Plans (Details) - Net Periodic Benefit Costs and Related Components for the SERPs (Supplemental Employee Retirement Plan, Defined Benefit [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Supplemental Employee Retirement Plan, Defined Benefit [Member]
Note 7 - Employee Benefit Plans (Details) - Net Periodic Benefit Costs and Related Components for the SERPs [Line Items]
Service cost	$ 60	$ 63	$ 180	$ 163
Interest cost	72	84	216	226
Amortization of prior service cost	57	56	171	170
Recognized net actuarial loss	34	38	102	68
Net periodic benefit cost	$ 223	$ 241	$ 669	$ 627