v3.26.1
Inventories (Tables)
 6 Months Ended
Jun. 30, 2026
Inventory Disclosure [Abstract]  
Schedule of Inventories
Inventories consisted of the following: 
June 30, 2026June 30, 2025Dec. 31, 2025
(Dollars in thousands)
Raw materials$467,553 $490,214 $586,296 
Work-in-process248,861 231,578 204,882 
Finished goods817,979 788,044 595,089 
Other17,869 17,636 16,861 
1,552,262 1,527,472 1,403,128 
Adjustment to value inventory at cost on the LIFO method(320,172)(268,961)(322,994)
$1,232,090 $1,258,511 $1,080,134