Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 23, 2012	Sep. 24, 2011
Current assets
Cash and cash equivalents	$ 109,481	$ 87,479
Marketable securities held to maturity	15,454	25,506
Accounts receivable, net	84,016	75,000
Inventories, net	72,783	63,461
Prepaid expenses and other	3,226	4,196
Deferred income taxes	3,664	4,208
	288,624	259,850
Property, plant and equipment, at cost
Land	2,496	2,496
Buildings	24,821	15,766
Improvements	22,437	21,054
Construction in progress	7,233	7,728
	471,284	446,856
Less accumulated depreciation and amortization	335,669	322,206
	135,615	124,650
Other assets
Goodwill	76,899	70,070
Other intangible assets, net	49,586	52,005
Marketable securities held to maturity	39,479	42,000
Other	3,256	2,241
	169,220	166,316
	593,459	550,816
LIABILITIES AND STOCKHOLDERS' EQUITY
Current obligations under capital leases	291	278
Accounts payable	65,455	55,918
Accrued liabilities	8,483	4,593
Accrued compensation expense	10,833	12,859
Dividends payable	2,457	2,200
	87,519	75,848
Long-term obligations under capital leases	301	523
Deferred income taxes	41,024	41,050
Other long-term liabilities	928	1,007
	42,253	42,580
Preferred, $1 par value; authorized, 10,000 shares; none issued	0	0
Common, no par value; authorized 50,000 shares; issued and outstanding, 18,902 and 18,727 shares, respectively	49,189	45,017
Accumulated other comprehensive loss	(4,019)	(3,914)
Retained earnings	418,517	391,285
	463,687	432,388
	593,459	550,816
Plant Machinery and Equipment [Member]
Property, plant and equipment, at cost
Equipment	165,408	158,408
Marketing Equipment [Member]
Property, plant and equipment, at cost
Equipment	229,708	223,490
Transportation Equipment [Member]
Property, plant and equipment, at cost
Equipment	4,480	4,264
Office Equipment [Member]
Property, plant and equipment, at cost
Equipment	$ 14,701	$ 13,650