Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Jun. 30, 2018	Jul. 01, 2017
Cash Flows From Operating Activities:
Net earnings	$ 26,858,000	$ 18,749,000
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	9,578,000	8,576,000
Amortization of capitalized financing costs	48,000	48,000
Stock-based compensation expense	1,241,000	1,343,000
Deferred income taxes	(2,321,000)	2,705,000
Loss on sale and disposition of property, plant and equipment	270,000	49,000
Increase in cash surrender value of life insurance policies over premiums paid	(428,000)	(568,000)
Net changes in assets and liabilities (net of assets and liabilities acquired):
Accounts receivable, net	(15,548,000)	5,082,000
Inventories	27,102,000	(12,496,000)
Accounts payable and accrued expenses	3,011,000	290,000
Other changes	24,000	(1,739,000)
Total adjustments	22,977,000	3,290,000
Net cash provided by operating activities	49,835,000	22,039,000
Cash Flows From Investing Activities:
Capital expenditures	(12,481,000)	(16,855,000)
Acquisition of business	(3,300,000)
Proceeds from surrender of life insurance policies	152,000	100,000
Increase in cash surrender value of life insurance policies	(291,000)	(330,000)
Net cash used for investing activities	(15,920,000)	(17,085,000)
Cash Flows From Financing Activities:
Proceeds from long-term debt	290,000	322,000
Principal payments on long-term debt	(290,000)	(322,000)
Cash dividends paid	(20,756,000)	(25,440,000)
Cash received from exercise of stock options	242,000	107,000
Payment of employee tax withholdings related to net share transactions	(274,000)	(646,000)
Net cash used for financing activities	(20,788,000)	(25,979,000)
Net increase (decrease) in cash and cash equivalents	13,127,000	(21,025,000)
Cash and cash equivalents at beginning of period	32,105,000	58,873,000
Cash and cash equivalents at end of period	45,232,000	37,848,000
Supplemental Disclosures of Cash Flow Information:
Income taxes, net	3,553,000	6,796,000
Non-cash investing and financing activities:
Purchases of property, plant and equipment in accounts payable	499,000	2,092,000
Restricted stock units and stock options surrendered for withholding taxes payable	$ 274,000	$ 646,000