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

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

Cover
- Cover Page
- Audit Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)
Notes Tables
Notes Details

EQUITY AND LONG-TERM INCENTIVE COMPENSATION PLANS - Restricted Stock Unit Activities (Details)

v3.26.1

EQUITY AND LONG-TERM INCENTIVE COMPENSATION PLANS - Restricted Stock Unit Activities (Details) - $ / shares shares in Thousands	12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Granted (in shares)	5,367	8,050	8,484
Granted adjustments (in shares)	(535)	(617)
Forfeited (in shares)	(572)	(774)	(783)
Weighted-Average Grant Date Fair Value
Maximum number of shares available for grant (in shares)	91,482	95,742	102,401	77,602
Restricted stock units
Weighted-Average Grant Date Fair Value
Granted (in dollars per share)	$ 128.33	$ 72.68	$ 58.45
2023 Plan \| Restricted stock units
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Outstanding RSUs, beginning balance (in shares)	12,926
Granted (in shares)	2,683
Granted adjustments (in shares)	(267)
Vested and released (in shares)	(5,035)
Forfeited (in shares)	(286)
Outstanding RSUs, ending balance (in shares)	10,021	12,926
Weighted-Average Grant Date Fair Value
Outstanding RSUs, beginning balance (in dollars per share)	$ 53.63
Granted (in dollars per share)	128.33
Granted adjustments (in dollars per share)	39.74
Vested and released (in dollars per share)	46.94
Forfeited (in dollars per share)	62.64
Outstanding RSUs, ending balance (in dollars per share)	$ 77.11	$ 53.63
2023 Plan \| RSUs, performance-based and service-based
Weighted-Average Grant Date Fair Value
Maximum number of shares available for grant (in shares)	700

- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period, Adjustment

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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