Long-Term Debt (Details) - USD ($)	Dec. 31, 2025	Jun. 30, 2025
Long-Term Debt (Additional Textual) [Abstract]
Fixed rate at fair market value	$ 576,700,000	$ 570,800,000
Notes payable	1,400,000	1,000,000.0
2018 Credit Agreement
Long-Term Debt (Textual) [Abstract]
Line of credit facility, remaining borrowing capacity	650,000,000.0
Borrowing outstanding under 2018 Credit Agreement	0	$ 0
Line of Credit
Long-Term Debt (Textual) [Abstract]
Net debt to EBITDA ratio, maximum	$ 3.75

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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+ Details

KENNAMETAL INC 10-Q