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CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($)
$ in Thousands
Jul. 03, 2021
Dec. 31, 2020
Current Assets    
Cash $ 23,561 $ 20,147
Short-term investments 149,994 121,007
Trade receivables, net 76,059 57,876
Gross inventories (Note 4) 84,254 80,487
Less LIFO reserve (48,969) (48,016)
Less excess and obsolescence reserve (3,298) (3,394)
Net inventories 31,987 29,077
Prepaid expenses and other current assets 4,042 6,266
Total Current Assets 285,643 234,373
Property, plant and equipment 404,917 393,843
Less allowances for depreciation (337,342) (323,110)
Net property, plant and equipment 67,575 70,733
Deferred income taxes 1,530
Other assets 45,658 41,622
Total Assets 398,876 348,258
Current Liabilities    
Trade accounts payable and accrued expenses 38,256 37,078
Contract liabilities with customers (Note 3) 84
Product liability 919 1,052
Employee compensation and benefits 28,615 37,275
Workers' compensation 6,820 6,272
Income taxes payable 3,119
Total Current Liabilities 77,729 81,761
Product liability accrual 91 74
Lease liability (Note 5) 1,590 1,724
Deferred income taxes 324
Contingent liabilities (Note 13)
Stockholders' Equity    
Additional paid-in capital 43,610 43,468
Retained earnings 396,816 342,615
Less: Treasury stock - at cost 2021 - 6,709,898 shares 2020 - 6,709,898 shares (145,590) (145,590)
Total Stockholders' Equity 319,142 264,699
Total Liabilities and Stockholders' Equity 398,876 348,258
Nonvoting Common Stock [Member]    
Stockholders' Equity    
Common Stock
Common Stock [Member]    
Stockholders' Equity    
Common Stock $ 24,306 $ 24,206