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CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($)
$ in Thousands
Oct. 02, 2021
Dec. 31, 2020
Current Assets    
Cash $ 27,677 $ 20,147
Short-term investments 164,996 121,007
Trade receivables, net 71,861 57,876
Gross inventories (Note 4) 92,475 80,487
Less LIFO reserve (49,473) (48,016)
Less excess and obsolescence reserve (3,887) (3,394)
Net inventories 39,115 29,077
Prepaid expenses and other current assets 5,210 6,266
Total Current Assets 308,859 234,373
Property, plant and equipment 408,733 393,843
Less allowances for depreciation (344,192) (323,110)
Net property, plant and equipment 64,541 70,733
Deferred income taxes 11 1,530
Other assets 46,650 41,622
Total Assets 420,061 348,258
Current Liabilities    
Trade accounts payable and accrued expenses 38,414 37,078
Contract liabilities with customers (Note 3) 84
Product liability 870 1,052
Employee compensation and benefits 31,782 37,275
Workers' compensation 6,777 6,272
Income taxes payable 2,544
Total Current Liabilities 80,387 81,761
Product liability accrual 95 74
Lease liability (Note 5) 1,509 1,724
Deferred income taxes
Contingent liabilities (Note 13)
Stockholders' Equity    
Additional paid-in capital 45,239 43,468
Retained earnings 414,115 342,615
Less: Treasury stock - at cost 2021 - 6,709,898 shares 2020 - 6,709,898 shares (145,590) (145,590)
Total Stockholders' Equity 338,070 264,699
Total Liabilities and Stockholders' Equity 420,061 348,258
Nonvoting Common Stock [Member]    
Stockholders' Equity    
Common Stock
Common Stock [Member]    
Stockholders' Equity    
Common Stock $ 24,306 $ 24,206