Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Sep. 27, 2014
Cash Flows From Operating Activities:
Net earnings	$ 37,245,000	$ 21,710,000	$ 16,641,000
Adjustments to reconcile net earnings to net cash provided by operating activities
Depreciation and amortization	11,544,000	11,934,000	10,274,000
Amortization of capitalized financing costs	65,000	89,000	102,000
Stock-based compensation expense	2,439,000	2,298,000	2,661,000
Deferred income taxes	536,000	333,000	41,000
Pension plan settlement loss, net of cash contributed	620,000
Asset impairment charges	20,000	543,000	0
Excess tax benefits from stock-based compensation	(1,717,000)	(169,000)	(575,000)
Loss (gain) on sale and disposition of property, plant and equipment	61,000	(2,652,000)	(1,629,000)
Increase in cash surrender value of life insurance policies over premiums paid	(480,000)	(39,000)	(512,000)
Net changes in assets and liabilities (net of assets and liabilities acquired):
Accounts receivable, net	(607,000)	4,266,000	(2,084,000)
Inventories	(5,177,000)	15,890,000	(16,814,000)
Accounts payable and accrued expenses	9,009,000	(17,861,000)	21,333,000
Other changes	978,000	(568,000)	(206,000)
Total adjustments	17,291,000	14,064,000	12,591,000
Net cash provided by operating activities	54,536,000	35,774,000	29,232,000
Cash Flows From Investing Activities:
Capital expenditures	(12,977,000)	(7,153,000)	(8,955,000)
Acquisition of intangible asset		(1,460,000)
Acquisition of business		480,000	(33,943,000)
Proceeds from sale of assets held for sale	180,000	3,537,000
Proceeds from fire loss insurance		1,713,000	2,732,000
Proceeds from sale of property, plant and equipment	60,000	132,000	1,000
Proceeds from surrender of life insurance policies	140,000	40,000	205,000
Increase in cash surrender value of life insurance policies	(375,000)	(328,000)	(415,000)
Net cash used for investing activities	(12,972,000)	(3,039,000)	(40,375,000)
Cash Flows From Financing Activities:
Proceeds from long-term debt	328,000	60,978,000	19,215,000
Principal payments on long-term debt	(328,000)	(60,978,000)	(19,215,000)
Cash dividends paid	(20,859,000)	(2,211,000)	(2,193,000)
Cash received from exercise of stock options	5,065,000	200,000	1,129,000
Excess tax benefits from stock-based compensation	1,717,000	169,000	575,000
Payment of employee tax withholdings related to net share transactions	(1,861,000)	(478,000)	(758,000)
Financing costs	(11,000)	(207,000)
Net cash used for financing activities	(15,949,000)	(2,527,000)	(1,247,000)
Net increase (decrease) in cash and cash equivalents	25,615,000	30,208,000	(12,390,000)
Cash and cash equivalents at beginning of period	33,258,000	3,050,000	15,440,000
Cash and cash equivalents at end of period	58,873,000	33,258,000	3,050,000
Supplemental Disclosures of Cash Flow Information:
Interest		143,000	30,000
Income taxes, net	19,184,000	7,805,000	7,889,000
Non-cash investing and financing activities:
Purchases of property, plant and equipment in accounts payable	1,746,000	570,000	680,000
Restricted stock units and stock options surrendered for withholding taxes payable	1,861,000	478,000	758,000
Post-closing purchase price adjustment for business acquired			$ 45,000