Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Apr. 01, 2017	Apr. 02, 2016
Cash Flows From Operating Activities:
Net earnings	$ 11,880,000	$ 13,860,000
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	5,729,000	5,620,000
Amortization of capitalized financing costs	32,000	32,000
Stock-based compensation expense	1,133,000	1,276,000
Deferred income taxes	910,000	871,000
Asset impairment charges		20,000
Excess tax benefits from stock-based compensation	(488,000)	(824,000)
Loss (gain) on sale and disposition of property, plant and equipment	46,000	(208,000)
Increase in cash surrender value of life insurance policies over premiums paid	(360,000)	(96,000)
Net changes in assets and liabilities:
Accounts receivable, net	(2,188,000)	(1,796,000)
Inventories	11,956,000	9,435,000
Accounts payable and accrued expenses	(11,132,000)	(6,503,000)
Other changes	(430,000)	2,061,000
Total adjustments	5,208,000	9,888,000
Net cash provided by operating activities	17,088,000	23,748,000
Cash Flows From Investing Activities:
Capital expenditures	(10,656,000)	(4,334,000)
Proceeds from surrender of life insurance policies	77,000	40,000
Increase in cash surrender value of life insurance policies	(277,000)	(264,000)
Proceeds from sale of assets held for sale		180,000
Proceeds from sale of property, plant and equipment		60,000
Net cash used for investing activities	(10,856,000)	(4,318,000)
Cash Flows From Financing Activities:
Proceeds from long-term debt	176,000	172,000
Principal payments on long-term debt	(176,000)	(172,000)
Cash dividends paid	(24,869,000)	(19,722,000)
Cash received from exercise of stock options	107,000	3,252,000
Excess tax benefits from stock-based compensation	488,000	824,000
Payment of employee tax withholdings related to net share transactions	(646,000)	(629,000)
Financing costs		(11,000)
Net cash used for financing activities	(24,920,000)	(16,286,000)
Net increase (decrease) in cash and cash equivalents	(18,688,000)	3,144,000
Cash and cash equivalents at beginning of period	58,873,000	33,258,000
Cash and cash equivalents at end of period	40,185,000	36,402,000
Supplemental Disclosures of Cash Flow Information:
Income taxes, net	4,160,000	8,533,000
Non-cash investing and financing activities:
Purchases of property, plant and equipment in accounts payable	1,152,000	369,000
Restricted stock units and stock options surrendered for withholding taxes payable	$ 646,000	$ 629,000