Note 13 - Other Financial Data - Balance Sheet Information (Details) - USD ($) $ in Thousands	Apr. 03, 2021	Oct. 03, 2020
Accounts receivable	$ 58,438	$ 54,108
Less allowance for doubtful accounts	(315)	(291)
Total	58,123	53,817
Raw materials	30,633	31,553
Work in process	4,732	3,813
Finished goods	33,258	33,597
Total	68,623	68,963
Prepaid insurance	4,769	4,096
Other	1,787	1,474
Total	6,556	5,570
Cash surrender value of life insurance policies	11,926	10,584
Assets held for sale	7,753	7,778
Other assets	2,125	2,522
Capitalized financing costs, net	138	170
Other	157	106
Total	22,099	21,160
Land and land improvements	14,540	14,520
Buildings	53,038	52,462
Machinery and equipment	174,041	172,617
Construction in progress	9,218	3,978
Property, plant and equipment, gross	250,837	243,577
Less accumulated depreciation	(146,157)	(142,185)
Total	104,680	101,392
Salaries, wages and related expenses	7,810	4,971
Income taxes	2,659	1,201
Operating lease liability	1,177	1,230
Customer rebates	866	1,581
Property taxes	575	1,726
State sales and use taxes	402	544
Holdback for business acquired	0	1,000
Other	763	2,464
Total	14,252	14,717
Deferred compensation	11,874	11,553
Deferred Tax Liabilities, Net, Total	6,102	6,568
Operating lease liability	956	1,300
Total	$ 18,932	$ 19,421