CONSOLIDATED BALANCE SHEETS (USD $) In Thousands	Aug. 28, 2011	Nov. 30, 2010
Current assets
Cash and cash equivalents	$ 180,291	$ 236,737
Receivables, less allowances of $4,263 in 2011 and $3,848 in 2010	143,547	129,855
Inventories	73,732	69,381
Deferred income taxes	23,485	22,441
Prepaid expenses and other current assets	18,089	10,862
Total current assets	439,144	469,276
Investment in affiliate	3,784	3,784
Property, plant and equipment
Land	49,137	46,132
Buildings	104,871	103,438
Machinery and equipment	393,257	371,153
Construction in progress	39,709	31,048
Total property, plant and equipment at cost	586,974	551,771
Accumulated depreciation	(334,614)	(307,573)
Total property, plant and equipment, net	252,360	244,198
Deferred income taxes	11,289	11,289
Goodwill and intangible assets, net of accumulated amortization of $1,330 in 2011 and $1,293 in 2010	2,033	2,061
Other assets	40,582	50,961
Total assets	749,192	781,569
Current liabilities
Current portion of long-term debt and short-term debt	8,592	7,724
Trade payables	53,348	49,881
Accrued liabilities	65,088	64,533
Income taxes payable	574	24,682
Total current liabilities	127,602	146,820
Long-term debt, less current portion	24,171	23,424
Deferred income taxes	2,878	2,691
Other long-term liabilities	95,505	100,667
Total liabilities	250,156	273,602
Commitments and contingencies
Stockholders' equity
Common Stock, par value $2.50 per share, authorized 24,000,000 shares, outstanding 9,069,126 shares in 2011 and 9,249,105 shares in 2010	30,145	30,047
Additional paid-in capital	61,636	60,986
Retained earnings	500,066	507,625
Accumulated other comprehensive loss	(20,364)	(33,663)
Treasury stock (2,989,016 shares in 2011 and 2,769,637 shares in 2010)	(72,447)	(57,028)
Total stockholders' equity	499,036	507,967
Total liabilities and stockholders' equity	$ 749,192	$ 781,569