CONDENSED BALANCE SHEETS (USD $) In Thousands	Jul. 02, 2011	Dec. 31, 2010
Current Assets
Cash and cash equivalents	$ 12,038	$ 5,132
Short-term investments	64,493	52,493
Trade receivables, net	31,857	31,565
Gross inventories	42,291	48,820
Less LIFO reserve	(37,101)	(37,448)
Less excess and obsolescence reserve	(1,141)	(1,545)
Net inventories	4,049	9,827
Deferred income taxes	5,013	4,780
Prepaid expenses and other current assets	801	1,427
Total Current Assets	118,251	105,224
Property, plant and equipment	156,896	150,379
Less allowances for depreciation	(112,118)	(107,458)
Net property, plant and equipment	44,778	42,921
Deferred income taxes	4,099	5,443
Other assets	8,209	4,173
Total Assets	175,337	157,761
Current Liabilities
Trade accounts payable and accrued expenses	18,966	16,492
Product liability	741	449
Employee compensation and benefits	10,343	10,923
Workers' compensation	4,716	4,893
Income taxes payable	2,081	582
Total Current Liabilities	36,847	33,339
Accrued pension liability	9,355	9,369
Product liability accrual	415	573
Contingent liabilities - Note 11
Stockholders' Equity
Additional paid-in capital	9,934	9,885
Retained earnings	153,109	137,125
Less: Treasury stock - at cost 2011 - 4,299,434 shares 2010 - 4,166,034 shares	(37,884)	(35,885)
Accumulated other comprehensive loss	(19,648)	(19,648)
Total Stockholders' Equity	128,720	114,480
Total Liabilities and Stockholders' Equity	175,337	157,761
Non-Voting
Stockholders' Equity
Common Stock, Value	0	0
Voting
Stockholders' Equity
Common Stock, Value	$ 23,209	$ 23,003