CONDENSED BALANCE SHEETS (USD $) In Thousands	Oct. 01, 2011	Dec. 31, 2010
Current Assets
Cash and cash equivalents	$ 53,344	$ 5,132
Short-term investments	25,998	52,493
Trade receivables, net	33,421	31,565
Gross inventories	46,137	48,820
Less LIFO reserve	(37,101)	(37,448)
Less excess and obsolescence reserve	(1,281)	(1,545)
Net inventories	7,755	9,827
Deferred income taxes	4,871	4,780
Prepaid expenses and other current assets	1,355	1,427
Total Current Assets	126,744	105,224
Property, plant and equipment	160,568	150,379
Less allowances for depreciation	(114,267)	(107,458)
Net property, plant and equipment	46,301	42,921
Deferred income taxes	3,976	5,443
Other assets	8,654	4,173
Total Assets	185,675	157,761
Current Liabilities
Trade accounts payable and accrued expenses	19,790	16,492
Product liability	1,062	449
Employee compensation and benefits	11,930	10,923
Workers' compensation	4,466	4,893
Income taxes payable	1,729	582
Total Current Liabilities	38,977	33,339
Accrued pension liability	9,366	9,369
Product liability accrual	414	573
Contingent liabilities - Note 11
Stockholders' Equity
Additional paid-in capital	9,966	9,885
Retained earnings	161,147	137,125
Less: Treasury stock - at cost2011 - 4,299,434 shares 2010 - 4,166,034 shares	(37,884)	(35,885)
Accumulated other comprehensive loss	(19,648)	(19,648)
Total Stockholders' Equity	136,918	114,480
Total Liabilities and Stockholders' Equity	185,675	157,761
Nonvoting Common Stock
Stockholders' Equity
Common Stock, non-voting, par value $1: Authorized shares 50,000; none issued
Voting Common Stock
Stockholders' Equity
Common Stock, non-voting, par value $1: Authorized shares 50,000; none issued	$ 23,337	$ 23,003