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CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($)
$ in Thousands
Mar. 28, 2020
Dec. 31, 2019
Current Assets    
Cash $ 37,979 $ 35,420
Short-term investments 149,575 129,488
Trade receivables, net 55,836 52,640
Gross inventories (Note 4) 68,795 79,011
Less LIFO reserve (47,481) (47,137)
Less excess and obsolescence reserve (3,025) (3,573)
Net inventories 18,289 28,301
Prepaid expenses and other current assets 2,939 3,467
Total Current Assets 264,618 249,316
Property, plant and equipment 376,117 372,482
Less allowances for depreciation (305,251) (298,568)
Net property, plant and equipment 70,866 73,914
Deferred income taxes 3,863 5,393
Other assets 23,052 20,338
Total Assets 362,399 348,961
Current Liabilities    
Trade accounts payable and accrued expenses 29,268 29,771
Contract liabilities with customers (Note 3) 8,563 9,623
Product liability 737 735
Employee compensation and benefits 14,400 14,273
Workers' compensation 5,841 5,619
Income taxes payable 3,683 1,223
Total Current Liabilities 62,492 61,244
Product liability accrual 23 83
Lease liability (Note 5) 2,065 2,176
Contingent liabilities (Note 13)
Stockholders' Equity    
Additional paid-in capital 38,707 38,683
Retained earnings 380,509 368,205
Less: Treasury stock - at cost 2020 - 6,709,898 shares 2019 - 6,709,898 shares (145,590) (145,590)
Total Stockholders' Equity 297,819 285,458
Total Liabilities and Stockholders' Equity 362,399 348,961
Nonvoting Common Stock [Member]    
Stockholders' Equity    
Common Stock
Common Stock [Member]    
Stockholders' Equity    
Common Stock $ 24,193 $ 24,160