Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Oct. 02, 2021	Oct. 03, 2020	Sep. 28, 2019
Cash Flows From Operating Activities:
Net earnings	$ 66,610,000	$ 19,009,000	$ 5,598,000
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	14,521,000	14,255,000	13,553,000
Amortization of capitalized financing costs	65,000	66,000	65,000
Stock-based compensation expense	1,988,000	2,028,000	2,057,000
Deferred income taxes	(118,000)	(424,000)	1,798,000
Asset impairment charges	1,415,000	343,000	0
Loss (gain) on sale and disposition of property, plant and equipment	125,000	(1,114,000)	(1,688,000)
Increase in cash surrender value of life insurance policies over premiums paid	(1,533,000)	(243,000)	(187,000)
Gain from life insurance proceeds	0	(200,000)	0
Net changes in assets and liabilities (net of assets and liabilities acquired):
Accounts receivable, net	(14,100,000)	(5,806,000)	7,302,000
Inventories	(10,086,000)	5,060,000	23,306,000
Accounts payable and accrued expenses	11,891,000	20,159,000	(42,592,000)
Other changes	(900,000)	3,091,000	(2,604,000)
Total adjustments	3,268,000	37,215,000	1,010,000
Net cash provided by operating activities	69,878,000	56,224,000	6,608,000
Cash Flows From Investing Activities:
Acquisition of business	0	(18,356,000)	0
Capital expenditures	(17,500,000)	(7,114,000)	(10,512,000)
Proceeds from property insurance	0	0	1,192,000
Proceeds from sale of property, plant and equipment	0	40,000	19,000
Proceeds from surrender of life insurance policies	32,000	260,000	67,000
Increase in cash surrender value of life insurance policies	(416,000)	(390,000)	(322,000)
Proceeds from sale of assets held for sale	79,000	2,186,000	0
Proceeds from life insurance claims	0	200,000	0
Net cash used for investing activities	(17,805,000)	(23,174,000)	(9,556,000)
Cash Flows From Financing Activities:
Proceeds from long-term debt	297,000	322,000	44,333,000
Principal payments on long-term debt	(297,000)	(322,000)	(44,333,000)
Cash dividends paid	(31,294,000)	(2,313,000)	(2,310,000)
Cash received from exercise of stock options	1,082,000	0	0
Payment of employee tax withholdings related to net share transactions	(665,000)	(230,000)	(239,000)
Financing costs	0	0	(263,000)
Net cash used for financing activities	(30,877,000)	(2,543,000)	(2,812,000)
Net increase (decrease) in cash and cash equivalents	21,196,000	30,507,000	(5,760,000)
Cash and cash equivalents at beginning of period	68,688,000	38,181,000	43,941,000
Cash and cash equivalents at end of period	89,884,000	68,688,000	38,181,000
Supplemental Disclosures of Cash Flow Information:
Interest	0	0	49,000
Income taxes, net	16,799,000	1,919,000	1,743,000
Non-cash investing and financing activities:
Purchases of property, plant and equipment in accounts payable	501,000	769,000	377,000
Restricted stock units and stock options surrendered for withholding taxes payable	665,000	230,000	239,000
Payable related to holdback for business acquired	$ 0	$ 1,000,000	$ 0