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Inventories
9 Months Ended
Mar. 31, 2023
Inventory Disclosure [Abstract]  
INVENTORIES INVENTORIES
We used the last-in, first-out (LIFO) method of valuing inventories for 37 percent and 39 percent of total inventories at March 31, 2023 and June 30, 2022, 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)March 31, 2023
June 30, 2022
Finished goods$339,069 $316,936 
Work in process and powder blends241,712 231,214 
Raw materials97,920 107,024 
Inventories at current cost678,701 655,174 
Less: LIFO valuation(83,613)(84,338)
Total inventories$595,088 $570,836