Note 14 - Business Segment Information - Net Sales And Long-Lived Assets By Geographic Region (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Sep. 27, 2014
UNITED STATES
Revenue	$ 416,391	$ 444,475	$ 402,675
Long-term Assets	112,130	108,557	114,034
Foreign [Member]
Revenue	2,156	3,029	6,303
Long-term Assets
Revenue	418,547	447,504	408,978
Long-term Assets	$ 112,130	$ 108,557	$ 114,034