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CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($)
$ in Thousands
Jun. 29, 2019
Dec. 31, 2018
Current Assets    
Cash $ 32,220 $ 38,492
Short-term investments 99,562 114,326
Trade receivables, net 41,494 45,031
Gross inventories (Note 4) 92,619 80,288
Less LIFO reserve (47,529) (46,341)
Less excess and obsolescence reserve (3,623) (2,527)
Net inventories 41,467 31,420
Prepaid expenses and other current assets 5,742 2,920
Total Current Assets 220,485 232,189
Property, plant and equipment 357,771 358,756
Less allowances for depreciation (286,056) (276,045)
Net property, plant and equipment 71,715 82,711
Deferred income taxes 1,844 2,969
Other assets 26,873 17,663
Total Assets 320,917 335,532
Current Liabilities    
Trade accounts payable and accrued expenses 22,528 33,021
Contract liabilities with customers (Note 3) 1,275 7,477
Product liability 1,217 1,073
Employee compensation and benefits 12,716 20,729
Workers' compensation 5,240 5,551
Income taxes payable 3,340
Total Current Liabilities 42,976 71,191
Product liability 73 99
Lease liability (Note 5) 2,028
Contingent liabilities (Note 13)
Stockholders' Equity    
Additional paid-in capital 35,657 33,291
Retained earnings 359,627 350,423
Less: Treasury stock - at cost 2019 - 6,665,398 shares 2018 - 6,665,398 shares (143,595) (143,595)
Total Stockholders' Equity 275,840 264,242
Nonvoting Common Stock [Member]    
Stockholders' Equity    
Common Stock
Common Stock [Member]    
Stockholders' Equity    
Common Stock $ 24,151 $ 24,123