KLA Corporation Annual report pursuant to Section 13 and 15(d)

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Schedule of Notional Amounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Derivative
Remaining maturity	10 months	7 months
Derivatives designated as hedging instruments \| Purchase \| Other Foreign Currency Hedge Contracts
Derivative
Derivative, notional amount	$ 264,292	$ 329,310
Derivatives designated as hedging instruments \| Purchase \| Cash Flow Hedging \| Foreign Exchange Forward
Derivative
Derivative, notional amount	12,550	10,705
Derivatives designated as hedging instruments \| Sell \| Other Foreign Currency Hedge Contracts
Derivative
Derivative, notional amount	278,635	357,939
Derivatives designated as hedging instruments \| Sell \| Cash Flow Hedging \| Foreign Exchange Forward
Derivative
Derivative, notional amount	134,845	71,431
Derivatives designated as hedging instruments \| Sell \| Net Investment Hedging \| Foreign Exchange Forward
Derivative
Derivative, notional amount	$ 66,848	$ 0