v3.26.1
INVENTORIES (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
INVENTORIES    
Raw materials $ 145,890 $ 164,440
Work-in-process 163,380 124,351
Finished goods 381,273 344,573
Total $ 690,543 $ 633,364
Percentage of total inventories valued using the LIFO method (as a percent) 38.00% 38.00%
Excess of current cost over LIFO cost $ 143,613 $ 138,589