Note 16 - Other Financial Data - Balance Sheet Information (Details) - USD ($) $ in Thousands	Oct. 01, 2016	Oct. 03, 2015
Accounts receivable, net:
Accounts receivable	$ 47,680	$ 47,420
Less allowance for doubtful accounts	(291)	(638)
Total	47,389	46,782
Inventories:
Raw materials	45,032	38,457
Work in process	2,788	2,968
Finished goods	23,366	24,584
Total	71,186	66,009
Other current assets:
Prepaid insurance	1,805	2,519
Current deferred tax asset		1,492
Other	1,234	1,298
Total	3,039	5,309
Other assets:
Cash surrender value of life insurance policies	7,909	7,194
Capitalized financing costs, net	170	227
Other	105	97
Total	8,184	7,518
Property, plant and equipment, net:
Land and land improvements	9,619	9,279
Buildings	43,739	43,016
Machinery and equipment	143,789	142,662
Construction in progress	11,318	1,715
Property, plant and equipment, gross	208,465	196,672
Less accumulated depreciation	(120,272)	(112,494)
Total	88,193	84,178
Accrued expenses:
Salaries, wages and related expenses	6,619	5,455
Property taxes	1,328	1,507
Customer rebates	1,296	1,760
Sales allowance reserves	577
Restructuring Reserve, Current	239	505
Workers' compensation	127	294
Pension plan		1,263
Income taxes		2,187
Deferred revenues		105
Other	838	568
Total	11,024	13,644
Other liabilities:
Deferred compensation	9,071	7,765
Deferred Tax Liabilities, Net, Noncurrent	5,472	6,057
Other		376
Total	$ 14,543	$ 14,198