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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Current Assets    
Cash and cash equivalents $ 35,420 $ 38,492
Short-term investments 129,488 114,326
Trade receivables, net 52,640 45,031
Gross inventories 79,011 80,288
Less LIFO reserve (47,137) (46,341)
Less excess and obsolescence reserve (3,573) (2,527)
Net inventories 28,301 31,420
Prepaid expenses and other current assets 3,467 2,920
Total Current Assets 249,316 232,189
Property, Plant, and Equipment 372,482 358,756
Less allowances for depreciation (298,568) (276,045)
Net property, plant and equipment 73,914 82,711
Deferred income taxes 5,393 2,969
Other assets 20,338 17,663
Total Assets 348,961 335,532
Current Liabilities    
Trade accounts payable and accrued expenses 29,771 33,021
Contract liabilities with customers (Note 2) 9,623 7,477
Product liability 735 1,073
Employee compensation and benefits 14,273 20,729
Workers' compensation 5,619 5,551
Income taxes payable 1,223 3,340
Total Current Liabilities 61,244 71,191
Lease liability (Note 7) 2,176
Product liability accrual 83 99
Contingent liabilities (Note 19)
Stockholders' Equity    
Additional paid-in capital 38,683 33,291
Retained earnings 368,205 350,423
Less: Treasury stock - at cost 2019 - 6,709,898 hares 2018 - 6,665,398 shares (145,590) (143,595)
Total Stockholders' Equity 285,458 264,242
Total Liabilities and Stockholders' Equity 348,961 335,532
Voting Common Stock [Member]    
Stockholders' Equity    
Common stock $ 24,160 $ 24,123