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Inventories
12 Months Ended
Dec. 31, 2022
Inventory, Net [Abstract]  
Inventories 3. INVENTORIES
Inventories consist of the following:
(In thousands)20222021
Finished goods$34,686 $25,199 
Work-in-process15,604 11,955 
Raw materials58,262 32,958 
Stores, supplies and other19,219 18,457 
Total$127,771 $88,569 
Inventories stated on the LIFO basis amounted to $25.3 million at December 31, 2022 and $18.8 million at December 31, 2021, which were below replacement costs by $15.6 million at December 31, 2022 and $27.5 million at December 31, 2021. Inventories stated on the weighted average cost basis were $62.9 million and $30.9 million at December 31, 2022 and 2021, respectively, while inventories stated on the FIFO method amounted to $39.5 million and $38.9 million at December 31, 2022 and 2021, respective