Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Dec. 30, 2017	Dec. 31, 2016
Cash Flows From Operating Activities:
Net earnings	$ 8,111,000	$ 4,460,000
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	3,176,000	3,018,000
Amortization of capitalized financing costs	16,000	16,000
Stock-based compensation expense	235,000	257,000
Deferred income taxes	(2,069,000)	1,187,000
Loss on sale and disposition of property, plant and equipment	17,000	36,000
Increase in cash surrender value of life insurance policies over premiums paid	(256,000)	(73,000)
Net changes in assets and liabilities (net of assets and liabilities acquired):
Accounts receivable, net	515,000	3,234,000
Inventories	10,935,000	9,596,000
Accounts payable and accrued expenses	(6,793,000)	(17,412,000)
Other changes	877,000	(425,000)
Total adjustments	6,653,000	(566,000)
Net cash provided by operating activities	14,764,000	3,894,000
Cash Flows From Investing Activities:
Capital expenditures	(6,080,000)	(5,417,000)
Acquisition of business	(3,300,000)
Proceeds from surrender of life insurance policies	41,000
Increase in cash surrender value of life insurance policies	(194,000)	(221,000)
Net cash used for investing activities	(9,533,000)	(5,638,000)
Cash Flows From Financing Activities:
Proceeds from long-term debt	90,000	97,000
Principal payments on long-term debt	(90,000)	(97,000)
Cash received from exercise of stock options		35,000
Payment of employee tax withholdings related to net share transactions		(144,000)
Net cash used for financing activities		(109,000)
Net increase (decrease) in cash and cash equivalents	5,231,000	(1,853,000)
Cash and cash equivalents at beginning of period	32,105,000	58,873,000
Cash and cash equivalents at end of period	37,336,000	57,020,000
Supplemental Disclosures of Cash Flow Information:
Income taxes, net	(7,000)	44,000
Non-cash investing and financing activities:
Purchases of property, plant and equipment in accounts payable	1,005,000	1,487,000
Declaration of cash dividends to be paid	19,612,000	24,298,000
Restricted stock units and stock options surrendered for withholding taxes payable		$ 144,000