v3.26.3
INVENTORIES (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
INVENTORIES    
Raw materials $ 157,837 $ 164,440
Work-in-process 171,968 124,351
Finished goods 369,575 344,573
Total $ 699,380 $ 633,364
Percentage of total inventories valued using the LIFO method (as a percent) 37.00% 38.00%
Excess of current cost over LIFO cost $ 145,501 $ 138,589