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Inventories (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Inventories    
Raw materials $ 1,288,497 $ 1,608,344
Supplies 692,738 629,074
Work in progress 341,036 256,071
Finished goods 619,363 636,475
Total inventories $ 2,941,634 $ 3,129,964