KLA Corporation Annual report [Section 13 and 15(d), not S-K Item 405]

Schedule II Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2024
Allowance for Credit Losses
Movement in Valuation Allowances and Reserves
Balance at Beginning of Period	$ 34,015	$ 32,782	$ 33,632
Charged to Expense	28,398	11,494	5,912
Deductions/Adjustments	(31,383)	(10,261)	(6,762)
Balance at End of Period	31,030	34,015	32,782
Allowance for Deferred Tax Assets
Movement in Valuation Allowances and Reserves
Balance at Beginning of Period	310,599	289,534	259,172
Charged to Expense	(1,366)	(1,315)	0
Deductions/Adjustments	47,406	22,380	30,362
Balance at End of Period	$ 356,639	$ 310,599	$ 289,534