XML 49 R38.htm IDEA: XBRL DOCUMENT
v3.21.1

INCOME TAXES (Tables) | 9 Months Ended
--- | ---
Mar. 31, 2021
Income Tax Disclosure [Abstract] |
Schedule of Details of Income Taxes | The following table provides details of income taxes:
| Three Months Ended |  | Nine Months Ended
| March 31, |  | March 31,
(Dollar amounts in thousands) | 2021 |  | 2020 |  | 2021 |  | 2020
Income before income taxes | $ | 640,403 |  | $ | 115,199 |  | $ | 1,651,611 |  | $ | 911,642
Provision for income taxes | $ | 73,233 |  | $ | 37,190 |  | $ | 207,316 |  | $ | 106,932
Effective tax rate | 11.4 | % |  | 32.3 | % |  | 12.6 | % |  | 11.7 | %

X
- Definition Schedule Of Income Taxes Details [Table Text Block] + References No definition available. + Details
Name: | klac_ScheduleOfIncomeTaxesDetailsTableTextBlock
Namespace Prefix: | klac_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration