Consolidated Balance Sheets (Current Period Unaudited) (USD $) In Thousands, unless otherwise specified	Dec. 27, 2014	Sep. 27, 2014
Current assets
Cash and cash equivalents	$ 98,075	$ 91,760
Accounts receivable, net	83,777us-gaap_AccountsReceivableNetCurrent	99,972us-gaap_AccountsReceivableNetCurrent
Inventories, net	85,531us-gaap_InventoryNet	76,083us-gaap_InventoryNet
Prepaid expenses and other	3,790us-gaap_PrepaidExpenseAndOtherAssets	3,695us-gaap_PrepaidExpenseAndOtherAssets
Deferred income taxes	4,163us-gaap_DeferredTaxAssetsNetCurrent	4,096us-gaap_DeferredTaxAssetsNetCurrent
Total current assets	275,336us-gaap_AssetsCurrent	275,606us-gaap_AssetsCurrent
Property, plant and equipment, at cost
Property, plant and equipment, at cost	547,068us-gaap_PropertyPlantAndEquipmentGross	538,081us-gaap_PropertyPlantAndEquipmentGross
Less accumulated depreciation and amortization	387,177	380,552
Property, plant and equipment, net	159,891us-gaap_PropertyPlantAndEquipmentNet	157,529us-gaap_PropertyPlantAndEquipmentNet
Other assets
Goodwill	86,442us-gaap_Goodwill	86,442us-gaap_Goodwill
Other intangible assets, net	49,634us-gaap_OtherIntangibleAssetsNet	50,989us-gaap_OtherIntangibleAssetsNet
Marketable securities held to maturity	2,000	2,000
Marketable securities available for sale	125,723	128,117
Other	3,838us-gaap_OtherAssetsNoncurrent	4,090us-gaap_OtherAssetsNoncurrent
Total other assets	267,637us-gaap_OtherAssets	271,638us-gaap_OtherAssets
Total Assets	702,864us-gaap_Assets	704,773us-gaap_Assets
Current Liabilities
Current obligations under capital leases	133us-gaap_CapitalLeaseObligationsCurrent	146us-gaap_CapitalLeaseObligationsCurrent
Accounts payable	54,881us-gaap_AccountsPayableCurrent	59,968us-gaap_AccountsPayableCurrent
Accrued insurance liability	10,817us-gaap_OtherAccruedLiabilitiesCurrent	10,578us-gaap_OtherAccruedLiabilitiesCurrent
Accrued income taxes	5,486us-gaap_AccruedIncomeTaxesCurrent
Accrued liabilities	5,190us-gaap_AccruedLiabilitiesCurrent	5,007us-gaap_AccruedLiabilitiesCurrent
Accrued compensation expense	10,251	14,286
Dividends payable	6,724	5,972
Total current liabilities	93,482us-gaap_LiabilitiesCurrent	95,957us-gaap_LiabilitiesCurrent
Long-term obligations under capital leases	348	374
Deferred income taxes	44,626	44,785
Other long-term liabilities	1,091us-gaap_OtherLiabilitiesNoncurrent	1,139us-gaap_OtherLiabilitiesNoncurrent
Stockholders' Equity
Preferred stock, $1 par value; authorized 10,000,000 shares; none issued	0us-gaap_PreferredStockValue	0us-gaap_PreferredStockValue
Common stock, no par value; authorized, 50,000,000 shares; issued and outstanding 18,678,000 and 18,663,000 respectively	32,765us-gaap_CommonStockValue	32,621us-gaap_CommonStockValue
Accumulated other comprehensive loss	(9,865)	(5,988)
Retained Earnings	540,417	535,885
Total stockholders' equity	563,317us-gaap_StockholdersEquity	562,518us-gaap_StockholdersEquity
Total Liabilities and Stockholder's Equity	702,864	704,773
Land [Member]
Property, plant and equipment, at cost
Property, plant and equipment, at cost	2,496	2,496
Building [Member]
Property, plant and equipment, at cost
Property, plant and equipment, at cost	26,741	26,741
Plant Machinery and Equipment [Member]
Property, plant and equipment, at cost
Property, plant and equipment, at cost	196,771	195,566
Marketing Equipment [Member]
Property, plant and equipment, at cost
Property, plant and equipment, at cost	260,009	256,389
Transportation Equipment [Member]
Property, plant and equipment, at cost
Property, plant and equipment, at cost	6,809	6,913
Office Equipment [Member]
Property, plant and equipment, at cost
Property, plant and equipment, at cost	19,299	18,556
Improvements [Member]
Property, plant and equipment, at cost
Property, plant and equipment, at cost	26,701	26,635
Construction in Progress [Member]
Property, plant and equipment, at cost
Property, plant and equipment, at cost	$ 8,242	$ 4,785

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Subparagraph a

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(a))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682