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CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (USD $)
In Thousands, except Per Share data
Jun. 30, 2011
Dec. 31, 2010
Current assets:    
Cash and cash equivalents $ 25,718 $ 32,229
Short-term investments 1,759 2,017
Accounts receivable - net 61,267 51,996
Inventories - net 64,971 51,449
Deferred income taxes and other current assets 4,443 5,503
Total current assets 158,158 143,194
Property, plant and equipment 222,353 216,239
Less accumulated depreciation 108,040 102,713
Property, plant and equipment - net 114,313 113,526
Prepaid pension and other assets 6,685 3,545
Goodwill and other intangible assets 25,953 26,442
Total assets 305,109 286,707
Current liabilities:    
Accounts payable 17,770 12,042
Short-term debt 20,000 25,000
Payroll and related liabilities 9,742 7,794
Commissions payable 6,881 6,591
Accrued expenses 9,149 8,251
Total current liabilities 63,542 59,678
Postretirement benefits 22,554 22,241
Deferred and other income taxes 4,954 4,954
Total liabilities 91,050 86,873
Shareholders' equity    
Common shares, without par value: Authorized - 35,000,000 shares Outstanding - 20,984,893 shares in 2011 and 2010 (after deducting treasury shares of 654,603 in 2011 and 2010) at stated capital amount (in Dollars per share) $ 5,127 $ 5,127
Additional paid-in capital 2,373 2,400
Retained earnings 214,127 201,735
Accumulated other comprehensive loss (7,568) (9,428)
Total shareholders' equity 214,059 199,834
Total liabilities and shareholders' equity $ 305,109 $ 286,707