KLA Corporation Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

EQUITY, LONG-TERM INCENTIVE COMPENSATION PLANS AND NON-CONTROLLING INTEREST - Restricted Stock Unit Activities (Details)

EQUITY, LONG-TERM INCENTIVE COMPENSATION PLANS AND NON-CONTROLLING INTEREST - Restricted Stock Unit Activities (Details) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2023 USD ($) $ / shares shares	Mar. 31, 2022 $ / shares	Mar. 31, 2023 USD ($) Installment $ / shares shares	Mar. 31, 2022 $ / shares	Jun. 30, 2022 shares
Restricted stock units
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Granted (in dollars per share) \| $ / shares	$ 409.77	$ 388.03	$ 390.53	$ 358.38
Unrecognized stock-based compensation balance \| $	$ 294.4		$ 294.4
Estimated weighted-average amortization period			1 year 4 months 24 days
Intrinsic value \| $	$ 638.5		$ 638.5
Restricted stock unit, Service-based \| Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Share-based vesting period			2 years
Restricted stock unit, Service-based \| Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Share-based vesting period			4 years
Restricted Stock Unit, Market-based and Service-based
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Service and performance-based, number of equal vesting installments \| Installment			3
Restricted Stock Unit, Market-based and Service-based \| Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Share-based vesting period			3 years
Restricted Stock Unit, Market-based and Service-based \| Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Share-based vesting period			4 years
2004 Plan
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Number of shares available for grant (in shares)	8,318		8,318		9,242
2004 Plan \| Restricted stock units
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Outstanding restricted stock units, beginning (in shares)			1,593
Granted (in shares)			506
Vested and released (in shares)			(264)
Withheld for taxes (in shares)			(190)
Forfeited (in shares)			(45)
Outstanding restricted stock units, ending (in shares)	1,600		1,600
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Outstanding restricted stock units, beginning (in dollars per share) \| $ / shares			$ 218.03
Granted (in dollars per share) \| $ / shares			390.53
Vested and released (in dollars per share) \| $ / shares			147.65
Withheld for taxes (in dollars per share) \| $ / shares			147.65
Forfeited (in dollars per share) \| $ / shares			179.82
Outstanding restricted stock units, ending (in dollars per share) \| $ / shares	$ 293.58		$ 293.58
2004 Plan \| Restricted stock unit, Performance-based and Service-based
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Number of shares available for grant (in shares)	300		300