Note 11 - Employee Benefit Plans (Details) - Net Periodic Pension Costs and Related Components (Pension Plan [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012
Note 11 - Employee Benefit Plans (Details) - Net Periodic Pension Costs and Related Components [Line Items]
Interest cost	$ 137	$ 128	$ 146
Expected return on plan assets	(165)	(142)	(134)
Recognized net actuarial loss	174	(134)	218
Net periodic pension cost	15	42	61
Recognized Net Actuarial Loss [Member]
Note 11 - Employee Benefit Plans (Details) - Net Periodic Pension Costs and Related Components [Line Items]
Recognized net actuarial loss	$ 43	$ 56	$ 49