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Inventories
3 Months Ended
Sep. 30, 2025
Inventory Disclosure [Abstract]  
INVENTORIES INVENTORIES
We used the last-in, first-out (LIFO) method of valuing inventories for 33 percent and 34 percent of total inventories at September 30, 2025 and June 30, 2025, respectively. Inventory valuations under the LIFO method are based on an annual determination of quantities and costs as of June 30 of each year; therefore, the interim LIFO valuations are based on our projections of expected year-end inventory levels and costs and are subject to any final year-end LIFO inventory adjustments.
Inventories consisted of the following: 
(in thousands)September 30, 2025
June 30, 2025
Finished goods$329,202 $328,243 
Work in process and powder blends250,392 225,726 
Raw materials102,432 90,257 
Inventories at current cost682,026 644,226 
Less: LIFO valuation(116,832)(105,989)
Total inventories$565,194 $538,237