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Inventories (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Jun. 30, 2023
--- | --- | ---
Inventories |  |
Finished goods | $ 353,254 | $ 328,094
Work in process and powder blends | 221,872 | 233,346
Raw materials | 80,746 | 81,552
Inventories at current cost | 655,872 | 642,992
Less: LIFO valuation | (85,087) | (85,362)
Total inventories | $ 570,785 | $ 557,630
Inventories (Textual) [Abstract] |  |
Percentage of inventories valued by using LIFO method | 32.00% | 33.00%

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- Definition Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(a)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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