Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Dec. 31, 2016	Jan. 02, 2016
Cash Flows From Operating Activities:
Net earnings	$ 4,460,000	$ 6,708,000
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	3,018,000	2,742,000
Amortization of capitalized financing costs	16,000	16,000
Stock-based compensation expense	257,000	229,000
Deferred income taxes	1,187,000	1,215,000
Excess tax benefits from stock-based compensation	(100,000)	(253,000)
Loss (gain) on sale and disposition of property, plant and equipment	36,000	(239,000)
Increase in cash surrender value of life insurance policies over premiums paid	(73,000)
Net changes in assets and liabilities:
Accounts receivable, net	3,234,000	6,414,000
Inventories	9,596,000	(3,056,000)
Accounts payable and accrued expenses	(17,412,000)	(2,659,000)
Other changes	(425,000)	1,274,000
Total adjustments	(666,000)	5,683,000
Net cash provided by operating activities	3,794,000	12,391,000
Cash Flows From Investing Activities:
Capital expenditures	(5,417,000)	(941,000)
Proceeds from sale of assets held for sale		180,000
Proceeds from sale of property, plant and equipment		60,000
Proceeds from surrender of life insurance policies		40,000
Increase in cash surrender value of life insurance policies	(221,000)	(212,000)
Net cash used for investing activities	(5,638,000)	(873,000)
Cash Flows From Financing Activities:
Proceeds from long-term debt	97,000	65,000
Principal payments on long-term debt	(97,000)	(65,000)
Cash dividends paid		(559,000)
Cash received from exercise of stock options	35,000	1,492,000
Excess tax benefits from stock-based compensation	100,000	253,000
Payment of employee tax withholdings related to net share transactions	(144,000)	(332,000)
Financing costs		(11,000)
Net cash provided by (used for) financing activities	(9,000)	843,000
Net increase (decrease) in cash and cash equivalents	(1,853,000)	12,361,000
Cash and cash equivalents at beginning of period	58,873,000	33,258,000
Cash and cash equivalents at end of period	57,020,000	45,619,000
Supplemental Disclosures of Cash Flow Information:
Income taxes, net	44,000	2,194,000
Non-cash investing and financing activities:
Purchases of property, plant and equipment in accounts payable	1,487,000	479,000
Declaration of cash dividends to be paid	24,298,000	18,600,000
Restricted stock units and stock options surrendered for withholding taxes payable	$ 144,000	$ 332,000