Note 10 - Other Financial Data (Details) - Balance Sheet Information (USD $) In Thousands, unless otherwise specified	Dec. 28, 2013	Sep. 28, 2013
Accounts receivable, net:
Accounts receivable	$ 34,602	$ 42,006
Less allowance for doubtful accounts	(848)	(896)
Total	33,754	41,110
Inventories, net:
Raw materials	44,305	33,842
Work in process	3,214	3,074
Finished goods	22,507	21,877
Total	70,026	58,793
Other current assets:
Current deferred tax asset	2,508	2,732
Prepaid insurance	1,483	1,332
Other	813	1,799
Total	4,804	5,863
Other assets:
Cash surrender value of life insurance policies	6,505	6,145
Intangible asset, net of accumulated amortization of $257 and $163	1,630	1,724
Capitalized financing costs, net	146	171
Other	98	350
Total	8,379	8,390
Property, plant and equipment, net:
Land and land improvements	9,175	9,175
Buildings	42,258	42,258
Machinery and equipment	129,995	129,861
Construction in progress	2,721	210
	184,149	181,504
Less accumulated depreciation	(100,702)	(98,451)
Total	83,447	83,053
Accrued expenses:
Salaries, wages and related expenses	1,892	2,790
Property taxes	955	1,155
Customer rebates	911	813
Pension plan	883	928
Deferred revenues	657	79
Accrued income taxes	324
Workers' compensation	307	307
Interest	29	31
Other	738	751
Total	6,696	6,854
Other liabilities:
Deferred income taxes	7,376	7,281
Deferred compensation	6,973	6,897
Total	$ 14,349	$ 14,178