Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Dec. 24, 2016	Sep. 24, 2016
Current assets
Cash and cash equivalents	$ 140,966	$ 140,652
Marketable securities held to maturity	26,017	13,539
Accounts receivable, net	92,368	98,325
Inventories	95,359	88,684
Prepaid expenses and other	8,141	13,904
Total current assets	362,851	355,104
Property, plant and equipment, at cost
Property, plant and equipment, gross	610,417	605,045
Less accumulated depreciation and amortization	424,285	420,832
Property, plant and equipment, net	186,132	184,213
Other assets
Goodwill	86,442	86,442
Other intangible assets, net	40,711	41,819
Marketable securities held to maturity	86,025	90,732
Marketable securities available for sale	29,362	29,465
Other	2,650	2,712
Total other assets	245,190	251,170
Total Assets	794,173	790,487
Current Liabilities
Current obligations under capital leases	358	365
Accounts payable	63,149	62,026
Accrued insurance liability	10,286	10,119
Accrued liabilities	6,954	6,161
Accrued compensation expense	11,396	16,340
Dividends payable	7,852	7,280
Total current liabilities	99,995	102,291
Long-term obligations under capital leases	1,151	1,235
Deferred income taxes	48,106	48,186
Other long-term liabilities	738	801
Stockholders' Equity
Preferred stock, $1 par value; authorized 10,000,000 shares; none issued
Common stock, no par value; authorized, 50,000,000 shares; issued and outstanding 18,697,000 and 18,668,000 respectively	27,060	25,332
Accumulated other comprehensive loss	(14,622)	(13,415)
Retained Earnings	631,745	626,057
Total stockholders' equity	644,183	637,974
Total Liabilities and Stockholders' Equity	794,173	790,487
Land [Member]
Property, plant and equipment, at cost
Property, plant and equipment, gross	2,482	2,512
Building [Member]
Property, plant and equipment, at cost
Property, plant and equipment, gross	26,741	26,741
Plant Machinery and Equipment [Member]
Property, plant and equipment, at cost
Property, plant and equipment, gross	228,356	227,614
Marketing Equipment [Member]
Property, plant and equipment, at cost
Property, plant and equipment, gross	279,785	278,299
Transportation Equipment [Member]
Property, plant and equipment, at cost
Property, plant and equipment, gross	7,589	7,637
Office Equipment [Member]
Property, plant and equipment, at cost
Property, plant and equipment, gross	22,618	22,136
Improvements [Member]
Property, plant and equipment, at cost
Property, plant and equipment, gross	34,898	34,750
Construction in Progress [Member]
Property, plant and equipment, at cost
Property, plant and equipment, gross	$ 7,948	$ 5,356