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Inventories

6 Months Ended

Jun. 30, 2025

Inventory Disclosure [Abstract]

Inventories

Inventories

			June 30, 2025						December 31, 2024
Raw materials			$	103,110					$	99,320
Work in progress			92,241						71,175
Finished goods			73,938						73,994
Spares and other			32,605						31,948
			301,894						276,437
Reduction to LIFO cost basis			(80,130)						(64,051)
Total inventories			$	221,764					$	212,386

Substantially all of the Company’s inventories at June 30, 2025 and December 31, 2024 are valued at the lower of cost or market using the last-in, first-out (“LIFO”) method. However, approximately 6% was valued at average cost using the first-in, first-out (“FIFO”) method at June 30, 2025.

The excess of replacement cost over the carrying value of total inventories subject to LIFO was $75.9 million and $57.5 million at June 30, 2025 and December 31, 2024, respectively.

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- References

No definition available.

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- Definition

The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 330
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/330/tableOfContent

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